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Apex Microtechnology

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High Voltage Power Operational Amplifier

The PA92 is a high voltage, low quiescent current MOSFET operational amplifier designed as a low cost solution for driving continuous output currents up to 4A and pulse currents up to 7A. The safe operating area (SOA) has no second breakdown limitations and can be observed for all type loads by choosing an appropriate current limiting resistor. The MOSFET output stage is biased AB for linear operation. External compensation provides flexibility in choosing bandwidth and slew rate for the applica

Relevant Keywords: 
PA92U, PA92

PLUSE WIDTH MODULATION AMPLIFIER UNEDITABLE

The SA03 is a pulse width amplifier that can supply 3000W to the load. An internal 45kHz oscillator requires no external components. The clock input stage divides the oscillator frequency by two, which provides the basic switching of 22.5 kHz. External oscillators may also be used to lower the switching frequency or to synchronize multiple amplifiers. Current sensing is provided for each half of the bridge giving amplitude and direction data. A shutdown input turns off all four drivers of the H

Relevant Keywords: 
SA03U, SA03

POWER OPERATIONAL AMPLIFIER UNEDITABLE

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 deflection coil drive circuits. The safe operating area (SOA) is fully specified and can be observed for all operating conditions by sele

Relevant Keywords: 
PA51U, PA51A, PA51

High Voltage Power Operational Amplifier

The PA90 is a high voltage, low quiescent current MOSFET operational amplifier designed as a low cost solution for driving continuous output currents up to 200mA and pulse currents up to 350mA. The safe operating area (SOA) has no second breakdown limitations and can be observed for all type loads by choosing an appropriate current limiting resistor. The MOSFET output stage is biased AB for linear operation. External compensation provides flexibility in choosing bandwidth and slew rate for the a

Relevant Keywords: 
PA90U, PA90

H-Bridge Motor Driver/Amplifiers

The SA50CE is a pulse width modulation amplifier that can continuously supply 5A to the load. The full bridge amplifier can be operated over a wide range of supply voltages. All of the drive/control circuitry for the lowside and high side switches are internal to the hybrid. The PWM circuitry is internal as well, leaving the user to only provide an analog signal for the motor speed and direction, or audio signal for switchmode audio amplification. The SA50CE is packaged in a space efficient isol

Relevant Keywords: 
SA50CEU, SA50CE

POWER OPERATIONAL AMPLIFIER UNEDITABLE

The PA08 is a high voltage operational amplifier designed for output voltage swings of up to ±145V with a dual (±) supply or 290V with a single supply. High accuracy is achieved with a cascode input circuit configuration. All internal biasing is referenced to a zener diode fed by a FET constant current source. As a result, the PA08 features an unprecedented supply range and excellent supply rejection. The output stage is biased-on for linear operation. Internal phase compensation a

Relevant Keywords: 
PA08U, PA08A, PA08

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