HIGH POWER_ HIGH CURRENT OPERATIONAL AMPLIFIER by bestt571

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									                                                                                                                                   OMA541SK OMA541SKC
                                                                                                                                   OMA541SD OMA541SDZ

HIGH POWER, HIGH CURRENT
OPERATIONAL AMPLIFIER

                                    8-Pin, TO-3 And DIP, 10 Amp Monolithic Power
                                    Operational Amplifier



             FEATURES
             • Available In Isolated Standard TO-3, “Copper Slug” TO-3 And
               Power DIP Packages
             • 10 Amp Peak Output Current
             • Power Supplies to ±40V
             • Programmable Current Limit
             • FET Input
             • Available Screened to MIL-STD-883

             DESCRIPTION
             The OMA541 is a power operational amplifier capable of operation from power
             supplies up to ±40V and continuous output current up to 5A. Internal current limit
             circuitry can be user-programmed with a single external resistor, protecting the
             amplifier and load from fault conditions. The OMA541 pinout is compatible with
             popular power operational amplifiers such as the OPA511, OPA512 and OPA3573.
             This device is ideally suited for Military motor driver, servo amplifier, synchro
             exertation as well as other power drive circuitry. The OMA541SKC incorporates a
             copper slug to the header for improved thermal performance.

             ABSOLUTE MAXIMUM RATINGS @ 25°C
             Supply Voltage, +VS To -VS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80V
             Output Current, Continuous . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5A
             Power Dissipation, Internal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125W
             Operating Temperature Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -55°C to 125°C
             Storage Temperature Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -55°C to 150°C
             Maximum Junction Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150°C
             Lead Temperature (10 Sec. Soldering) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 300°C
                                                                                                                                                                              3.4
                       SCHEMATIC                                                                        PIN CONNECTION
                                  +VS
                                                                                                                                                   NC
                                                                                                                                   +VS
                                                                                                                                                   2        Current
            -In             +In                                                                                                            3                Sense
                                                                                                                                                        1
                                                                                        8   7   6   5      Pin 1:   -VS
                                                                                                                             -In    4
                                              Current                                                      Pin 2:   NC                         +
                                               Sense
                                                                                                           Pin 3:   OUTPUT
                                                        RCL
                                                                       Output                              Pin 4:   CS              5
                                                                                                                                               -               RCL
                                              Output          (ext.)
                                                                                                           Pin 5:   +VS      +In
                                               Drive                                                                                                    8
                                                                                                           Pin 6:   NC                     6                         Output
                                                                                                                                                   7    Output
                                                                                      •1    2   3   4      Pin 7:   +IN              -VS
                                                                                                                                                   NC
                                                                                                                                                        Drive
                                                                                                           Pin 8:   -IN
                                  -VS


                                                                                Pin 1 Designation
                                                                                                                                        TO-3 Top View
                                                                                                D-8 Top View
4 11 R1
Supersedes 2 05 R0                                                              3.4 - 41
 OMA541SK OMA541SKC OMA541SD OMA541SDZ

      ELECTRICAL CHARACTERISTICS (TC = 25°C; VS = ±34 VDC unless otherwise noted.)
       Parameter                     Conditions                               Min.           Typ.        Max.    Units
       Input Offset Voltage
         VOS                                                                                 ±.01        ±2       mV
              vs Temperature         -25°C to +125°C                                          ±15        ±30     µV/°C
              vs Temperature         -55°C to -25°C                                           ±20        ±40     µV/°C
              vs Supply Voltage      VS = ±10V to ± VMAX                                     ±2.5        ±10     µV/V
              vs Power                                                                        ±20        ±60     µV/W
       Input Bias Current
         IB                                                                                    4         50       pA
       Input Offset Current                                                                   ±1         ±30      pA
         IOS                         Specified Temperature Range                              ±5         ±20      nA
       Input Characteristics
         Common-Mode Voltage Range   -55°C to +85°C                           V
                                                                           ±(œ Sœ- 6)        V
                                                                                          ±(œ Sœ- 3)              V
                                     +85°C to +125°C                          V
                                                                           ±(œ Sœ- 6.5)      V
                                                                                          ±(œ Sœ- 3.2)            V
         Common-Mode Rejection                V
                                     VCM = ±(œ Sœ- 6V)                                        113                 dB
                                     VCM = ±22V                                95                                 dB
         Input Capacitance*                                                                    5                  pF
         Input Capacitance, DC*                                                                1                  T
       Gain Characteristics
         Open Loop Gain at 10Hz      RL = 10k                                  90             97                  dB
         Gain Bandwidth Product*                                                              1.6                MHz
       Output
         Voltage Swing               IO = 5A, Continuous                      V
                                                                           ±(œ Sœ- 5.5)      V
                                                                                          ±(œ Sœ- 4.5)            V
                                     IO = 2A                                  V
                                                                           ±(œ Sœ- 4.5)      V
                                                                                          ±(œ Sœ- 3.6)            V
                                     IO = 0.5A                                V
                                                                           ±(œ Sœ- 4)        V
                                                                                          ±(œ Sœ- 3.2)            V
         Current Peak                                                           9             10                  A
       AC Performance
         Slew Rate                                                              6             10                 V/µS
         Power Bandwidth*            RL = 8 , VO = 20Vrms                                     55                 KHz
         Setting Time to 0.1%*       2V Step                                                   2                  µS
         Capacitive Load*            Specified Temperature Range, G =1         3.3                                A
                                     Specified Temperature Range, G >10                                  SOA
         Phase Margin*               Specified Temperature Range, RL = 8                      40                Degrees
       Power Supply
         Power Supply Voltage, ±VS                                             ±10            ±35        ±40      V
         Current Quiescent                                                                    20         25       mA
                                     Specified Temperature Range                              25         35       mA
       Thermal Resistance
         qJC (Junction-to-Case)      AC Output f 60 Hz
                                       OMA541SK                                              1.25        1.5     °C/W
                                       OMA541SKC                                             1.00        1.2     °C/W
                                       OMA541SD                                               .85        .95     °C/W
                                     DC Output
                                       OMA541SK                                              1.60        1.9     °C/W

3.4                                    OMA541SKC
                                       OMA541SD
                                                                                             1.20
                                                                                             1.00
                                                                                                         1.5
                                                                                                         1.15
                                                                                                                 °C/W
                                                                                                                 °C/W
         qJA (Junction-to-Ambient)                                                            30                 °C/W

         Note: *Guaranteed - not tested 100%.




                                                               3.4 - 42
                                                                                                                                 OMA541SK OMA541SKC OMA541SD OMA541SDZ

                                                                          TYPICAL PERFORMANCE CURVES
                                                                                       TA = +25°C, VS = ±VDC unless otherwise noted


                                                                   Input Bias Current                                                                                               Open-Loop Gain and
                                                                    VS Temperature                                                                                                  Phase VS Frequency
                                            100                                                                                                      110
                                                                                                                                                     100
                                                                                                                                                      90
Input Bias Current, (nA)




                                             10                                                                                                       80                                               Phase




                                                                                                                                Voltage Gian, (dB)
                                                                                                                                                      70
                                              1                                                                                                       60
                                                                                                                                                      50                                     Gain                    ZL = 3.3nF
                                             0.1                                                                                                      40
                                                                                                                                                      30
                                                                                                                                                      20
                                            0.01
                                                                                                                                                      10
                                                                                                                                                       0                                                            ZL = 3.3nF
                            0.001                                                                                                                    -10
                                 -25                     0           25          50          75        100    125                                                1        10        100        1k          10k        100k         1M       10M

                                                                  Junction Temperature, (C°)                                                                                                 Frequency, (Hz)


                                                       Normalized Quiescent Current VS                                                                                             Output Voltage Swing
                                                         Total Power Supply Voltage                                                                                                 VS Output Current
                                             1.3                                                                                                             6

                                             1.2
                                                                                                                                                             5
                                                                                                                                                                                             (+VS) - VO
                                                                                                                                    ± VS − VOUT , (V)




                                             1.1
                   Normalized IQ




                                                             TC = -25°C                                                                                      4
                                             1.0                                                                                                                                                                              S - VO 
                                                                                                                                                                                                                             -V
                                                                                                                                                             3
                                             0.9                                       TC = 25°C

                                             0.8                                                                                                             2

                                             0.7                          TC = 125°C                                                                         1

                                             0.6                                                                                                             0
                                                20     30          40       50        60          70     80    90                                                     1        2         3     4       5        6       7      8        9    10
                                                                          +VS +  S , (V)
                                                                                -V                                                                                                                  IOUT, (A)



                                                              Voltage Noise Density                                                                                            Total Harmonic Distortion
                                                                  VS Frequency                                                                                                       VS Frequency
                                              1k                                                                                                            10


                                                                                                                                                     1.0
                                                                                                                     THD + Noise, (%)
                   Voltage Noise Density,




                                                                                                                                                                          PO = 100mW
                                             100
                                                                                                                                                       0.1
                                                                                                                                                                      PO = 5W
                                                                                                                                                                                                                                                   3.4
                                                                                                                                                                                                PO = 50W
                                                                                                                                              0.01


                                              10
                                                   1         10            100         1k              10k    100k                      0.001
                                                                                                                                                                 10                100                1k                    10k             100k
                                                                          Frequency, (Hz)
                                                                                                                                                                                             Frequency, (Hz)




                                                                                                              3.4 - 43
 OMA541SK OMA541SKC OMA541SD OMA541SDZ

                                          Typical Common-Mode Rejection                                                                                             Typical Output Current
                                           VS Frequency (Case Dependent)                                                                                       VS Temperature (Case Dependent)

                                     120                                                                                                                       12
                                     110                                                                                                                       10




                                                                                                                                         Output Current, (A)
                                     100                                                                                                                           8                                    IOUT -
                        CMRR, (dB)




                                      90
                                                                                                                                                                   6
                                      80
                                                                                                                                                                   4                            IOUT +
                                      70
                                                                                                                                                                   2
                                      60
                                      50                                                                                                                           0
                                        10                100             1k    10k         100k            1M                                                     -50      -25    0     25     50        75     100 125
                                                                       Frequency, (Hz)                                                                                            Case Temperature, (°C)


                  Copper Slug TO-3                                                                            Standard TO-3                                                                                           Power DIP
                 Safe Operating Area                                                                        Safe Operating Area                                                                                  Safe Operating Area
                    OMA541SKC                                                                                   OMA541SK                                                                                           OMA541SD/SDZ
        10                                                                                  10                                                                                                10
                                                          T                                                                                                    T                                                                           T
                                          TC                  C   =                                                            TC                              C   =                                                            TC           C   =
                            TC                 =8                     25                                            TC              =8                                 25                                             TC             =8              25
                                     =1                                 °C                                               =1                                              °C                                                =1          5°C             °C
                                       25            5°                                                                     25        5°                                                                                     25
                                              °C         C                                                                      °C                 C                                                                             °C

       1.0                                                                                 1.0                                                                                                1.0




       0.1                                                                                 0.1                                                                                                0.1
             1                            10                                     100             1                            10                                                  100               1                           10                          100




                                                                                           MECHANICAL OUTLINE
                                     D-8                                                                                  D-8Z                                                                                 COMMON LEAD
                                                                                                                           1.04
                                          .540                                                                              .790                                                  .125                                .260
                                                                                                                                                                                                                      MAX.
                                                                                                                              .540

                                                                                                                                                                              .125 DIA.
                                                                                                                                                                              2 HOLES

                 .540                                                                       .540                                                                                                                                                 .900
                                                                                                                                                                              .290
                                                                                                                                                                                                                                     .040 R.
                                                                                                     .125                                                                                                                            MIN.



                    .100                                                                                                                                                                                       .150                       .030 DIA.
                                                                                                                 .100
                                                                                                                                                                                                                                          .180 MIN.
                                      .300                                                                                 .300



                                                                                                                   TO-3-8
3.4                                                 A
                                                    B
                                                                                  C

                                                                                                                            INCHES                                       MILLIMETERS                    Note: Leads in true position
                                                                             E                              DIM          MIN     MAX                                     MIN      MAX                   within 0.010" (0.25mm) R at
                 SEATING                                                               K
                  PLANE                                                                                      A          1.510    1.550                                   38.35    39.37                 MMC at seating plane.
                                                                                                             B           .745     .770                                   18.92    19.56
                                      D                                                                      C           .260     .300                                    6.60     7.62
                                                                                                             D           .038     .042                                    0.97     1.07                 Pin numbers shown for
                                                     H                                                       E           .080     .105                                    2.03     2.67                 reference only. Numbers may
                                                              J
                                                                                                             F             40° BASIC                                       40° BASIC                    not be marked on package.
                                          G                                                                  G            .500 BASIC                                       12.7 BASIC
                        Q                                                                                    H           1.186 BASIC                                      30.12 BASIC
                                                    23                                                       J            .593 BASIC                                      15.06 BASIC
                                          F 1             4                                                  K           .400     .500                                   10.16    12.70
                                                                                       R
                                                   8 7 65                                                    Q           .151     .161                                    3.84     4.09
                                                                                                             R           .980    1.020                                   24.89    25.91



                                               205 Crawford Street, Leominster, MA 01453 USA (508) 534-5776 FAX (508) 537-4246

								
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