PA07 Apex Microtechnology

PA07 PA07A RoHS FET Input Operational Amplifier COMPLIANT FEATURES Low Bias Current FET Input Protected Output Stage Thermal Shutoff Excellent Linearity Class A/B Output Wide Supply Range 12V to 50V High Output Current 5A Peak APPLICATIONS Motor, Valve, and Actuator Control Magnetic Deflection Circuits up to 4A Power Transducers up to 100 kHz Temperature Control up to 180W Programmable Power Supplies up to 90V Audio Amplifiers up to 60W RMS DESCRIPTION The PA07 is a high voltage, 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. A thermal shutoff circuit protects against overheating and minimizes heatsink requirements for abnormal operating conditions. The safe operating area (SOA) 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, a heatsink of proper rating is recommended. This hybrid 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 washers and/or improper mounting torque will void the product warranty. Please see Application Note 1, General Operating Considerations. Apex Microtechnology Inc. Aug 2015 www.apexanalog.com All rights reserved PA07U Rev UPA07 PA07A TYPICAL CONNECTION Figure 1: Typical Connection Note: Input offset voltage trim optional. R = 10 k MAX T 2 PA07U Rev U