OPAMP +/-40V 10A 8P TO-3-8 CE SG

PA51A

Manufacturer Part NumberPA51A
DescriptionOPAMP +/-40V 10A 8P TO-3-8 CE SG
ManufacturerCirrus Logic Inc
SeriesApex Precision Power™
PA51A datasheets
 

Specifications of PA51A

Amplifier TypePowerNumber Of Circuits1
Slew Rate2.6 V/µsGain Bandwidth Product1MHz
Current - Input Bias15nAVoltage - Input Offset2000µV
Current - Supply2.6mACurrent - Output / Channel10A
Voltage - Supply, Single/dual (±)20 V ~ 80 V, ±10 V ~ 40 VOperating Temperature-55°C ~ 125°C
Mounting TypeThrough HolePackage / CaseTO-3-8
Number Of Channels1Voltage Gain Db115 dB
Common Mode Rejection Ratio (min)80 dBInput Offset Voltage8 mV
Maximum Operating Temperature+ 125 CMounting StyleThrough Hole
Maximum Dual Supply Voltage+/- 40 VMinimum Operating Temperature- 55 C
Lead Free Status / RoHS StatusLead free / RoHS CompliantOutput Type-
-3db Bandwidth-Other names598-1314
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PA51, PA51A
P r o d u c t I n n o v a t i o n F r o m
P r o d u c t I n n o v a t i o n F r o m
Power Operational Amplifier
FEATURES
• WIDE SUPPLY RANGE — ±10 to ±40V
• HIGH OUTPUT CURRENT — ±10A Peak
• CLASS “C” OUTPUT — Low Cost
• LOW QUIESCENT CURRENT — 2.6mA
APPLICATIONS
• DC SERVO AMPLIFIER
• MOTOR/SYNCHRO DRIVER
• VALVE AND ACTUATOR CONTROL
• DC OR AC POWER REGULATOR
DESCRIPTION
The PA51 and PA51A are high voltage, high output current
operational amplifiers designed to drive resistive, inductive and
capacitive loads. Their complementary common emitter output
stage is the simple class C type optimized for low frequency
applications where crossover distortion is not critical. These
amplifiers are not recommended for audio, transducer or deflec-
tion coil drive circuits. The safe operating area (SOA) is fully
specified and can be observed for all operating conditions by
selection of user programmable current limiting resistors. Both
amplifiers are internally compensated for all gain settings. For
continuous operation under load, mounting on a heatsink of
proper rating is recommended. Do not use isolation washers!
This hybrid integrated circuit utilizes thick film conductors,
ceramic capacitors and semiconductor chips to maximize reli-
ability, minimize size and give top performance. Ultrasonically
bonded aluminum wires provide reliable interconnections at
all operating temperatures. The 8-pin TO-3 package is electri-
cally isolated and hermetically sealed. The use of compress-
ible thermal washers and/or improper mounting torque will
void the product warranty. Please see “General Operating
Considerations” .
EQUIVALENT SCHEMATIC
3
Q3
4
A1
5
Q4
C1
6
PA51U
http://www.cirrus.com
TYPICAL APPLICATION
0/+5V
DAC
The linear relationship of torque output to current input of
the modern torque motor makes this simple control circuit
ideal for many material processing and testing applications.
The sense resistor develops a feedback voltage proportional
to motor current and the small signal properties of the Power
Op Amp insure accuracy. With this closed loop operation, tem-
perature induced impedance variations of the motor winding
are automatically compensated.
EXTERNAL CONNECTIONS
+V
Q1A
+IN
4
Q1B
2
–IN
5
1
8
Q6B
Q6A
Copyright © Cirrus Logic, Inc. 2009
(All Rights Reserved)
PA51 • PA51A
PA51 • PA51A
8-PIN TO-3
PACKAGE STYLE CE
C1
R3
+10V
R1
.1Ω
4.16K
0/6A
PA51
R2
R4
2.5K
.1Ω
–28V
MOTOR CURRENT IS A FUNCTION OF V
IN
PROGRAMMABLE TORQUE CIRCUIT
R
CL+
CL+
S
2
OUT
3
1
OUTPUT
TOP VIEW
8
R
CL–
6
CL–
7
–V
S
N.C.
MAY 2009
APEX − PA51UREVR
M
R5
.5Ω
1

PA51A Summary of contents

  • Page 1

    ... MOTOR/SYNCHRO DRIVER • VALVE AND ACTUATOR CONTROL • POWER REGULATOR DESCRIPTION The PA51 and PA51A are high voltage, high output current operational amplifiers designed to drive resistive, inductive and capacitive loads. Their complementary common emitter output stage is the simple class C type optimized for low frequency applications where crossover distortion is not critical. These amplifiers are not recommended for audio, transducer or deflec- tion coil drive circuits ...

  • Page 2

    ... RESISTANCE, junction to air TEMPERATURE RANGE, case NOTES: * The specification of PA51A is identical to the specification for PA51 in applicable column to the left. 1. Long term operation at the maximum junction temperature will result in reduced product life. Derate internal power dissipation to achieve high MTTF. 2. The power supply voltage specified under the TYP rating applies unless otherwise noted as a test condition. ...

  • Page 3

    ... FREQUENCY, F (Hz) COMMON MODE REJECTION 120 100 100 1K 10K .1M 1M FREQUENCY, F (Hz) QUIESCENT CURRENT 1.6 1.4 1.2 1 TOTAL SUPPLY VOLTAGE, V (V) S PA51 • PA51A CURRENT LIMIT .12Ω 0.3Ω - 100 125 CASE TEMPERATURE, T (°C) C POWER RESPONSE 40V 8Ω 3Ω ...

  • Page 4

    ... PA51 • PA51A GENERAL Please read Application Note 1 "General Operating Con- siderations" which covers stability, supplies, heat sinking, mounting, current limit, SOA interpretation, and specification interpretation. Visit www.Cirrus.com for design tools that help automate tasks such as calculations for stability, internal power dissipation, current limit and heat sink selection. The " ...

  • Page 5

    ... Cirrus Logic, Cirrus, and the Cirrus Logic logo designs, Apex Precision Power, Apex and the Apex Precision Power logo designs are trademarks of Cirrus Logic, Inc. All other brand and product names in this document may be trademarks or service marks of their respective owners. PA51U PA51 • PA51A 5 ...