PA16 PA16A Power Operational Amplifiers FEATURES High Power Bandwidth 350 kHz Slew Rate 20V/s Fast Settling Time 600ns Low Crossover Distortion Class A/B Low internal Losses 1.2V at 2A High Output Current 5A Peak Low Input Bias Current FET Input Isolated Case 300 VDC APPLICATIONS Motor, Valve, and Actuator Control Magnetic Deflection Circuits up to 5A Power Transducers up to 350 kHz Audio Amplifiers up to 44W RMS DESCRIPTION The PA16 and PA16A are wideband, high output current operational amplifiers designed to drive resis- tive, inductive and capacitive loads. Their complementary collector output stage can swing close to the sup- ply rails and is protected against inductive kickback. For optimum linearity, the output stage is biased for class A/B operation. The safe operating area (SOA) can be observed for all operating conditions by selection of user programmable, current limiting resistors (down to 10mA). Both amplifiers are internally compensated but are not recommended for use as unity gain followers. For continuous operation under load, mounting on a heat- sink of proper rating is recommended. These hybrid integrated circuits utilize thick film (cermet) resistors, ceramic capacitors and semiconduc- tor chips to maximize reliability, minimize size and give top performance. Ultrasonically bonded aluminum wires provide reliable interconnections at all operating temperatures. The Power SIP is electrically isolated. Figure 1: Equivalent Schematic 4 R1 D1 Q1 R5 R2 R3 R7 R6 Q2 10 R4 Q3 Q4 12 2 R15 A1 1 Q5 Q6 R8 8 Q7 R13 R14 R9 R10 R12 Q8 D2 R11 6 Apex Microtechnology Inc. Dec 2019 www.apexanalog.com All rights reserved PA16U Rev OPA16 PA16A TYPICAL CONNECTION Figure 2: Typical Connection R F +V S 100nF * R CL+ R I +VS V OUT +CL + OUT PA16 -CL * Use 10F -VS R L R per Amp of CL- Output Current 100nF * -V S PINOUT AND DESCRIPTION TABLE Figure 3: External Connections Pin Number Name Description 1 -IN The inverting input. 2 +IN The non-inverting input. 4 +V The positive supply rail. S 6 -V The negative supply rail. S Connect to the sinking current limit resistor. Power supply current flows out of this 8 -CL pin through R . The negative supply is connected to the other side of R . CL- CL Connect to the sourcing current limit resistor. Power supply current flows into this 10 +CL pin through R . The positive supply is connected to the other side of R . CL CL+ 12 OUT The output. Connect this pin to load and to the feedback resistors. 3, 5, 7, 9, 11 NC No connection. 2 PA16U Rev O