Product Summary

The pa12a is a state of the art high voltage, very high output current operational amplifier designed to drive resistive, inductive and capacitive loads. For optimum linearity, especially at low levels, the output stage is biased for class A/B operation using a thermistor compensated base-emitter voltage multiplier circuit. The safe operating area (SOA) can be observed for all operating conditions by selection of user programmable current limiting resistors. For continuous operation under load, a heatsink of proper rating is recommended. This hybrid integrated circuit utilizes thick film (cermet) resistors, ceramic capacitors and semiconductor chips to maximize reliability, minimize size and give top performance. Ultrasonically bonded aluminum wires provide reliable interconnections at all operating temperatures. The 8-pin TO-3 package is hermetically sealed and electrically isolated. The use of compressible isolation washers voids the warranty.

Parametrics

pa12a absolute maximum ratings: (1)supply voltage, +Vs to –Vs: 100V; (2)output current, within SOA: 15A; (3)power dissipation, internal: 125W; (4)input voltage, differential: ±VS –3V; (5)temperature, pin solder -10s: 300℃; (6)temperature, junction: 200℃; (7)temperature range, storage: –65 to +150℃; (8)operating temperature range, case: –55 to +125℃.

Features

pa12a features: (1)low thermal resistance: 1.4℃/W; (2)current foldover protection; (3)excellent linearity: Class A/B Output; (4)wide supply range: ±10V to ±50V; (5)high output current: Up to ±15A Peak.

Diagrams

pa12a block diagram

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