PA73M/883

Voltage - Input Offset:	5mV
Base Part Number:	PA73
Supplier Device Package:	TO-3-8
Package / Case:	TO-3-8
Mounting Type:	Through Hole
Operating Temperature:	-55°C ~ 125°C
Voltage - Supply, Single/Dual (±):	20 V ~ 60 V, ±10 V ~ 30 V
Current - Output / Channel:	5A
Current - Supply:	2.6mA
Series:	Apex Precision Power®
Current - Input Bias:	15nA
Gain Bandwidth Product:	1MHz
Slew Rate:	2.6 V/µs
Output Type:	--
Number of Circuits:	1
Amplifier Type:	Power
Part Status:	Active
Packaging:	Tube

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Introduction

The PA73M/883 is a four-channel integrated noninverting amplifier specifically designed for instrumentation, operational (op) amp, and buffer amplifying applications. It offers low noise, low power consumption, and a wide gain range for a variety of measurements and operations. The PA73M/883 utilizes an advanced CMOS technology to provide improved performance, low power consumption and wide dynamic range. The PA73M/883 has a wide variety of applications, including instrumentation amplifiers, instrumentation datalogging, medical imaging systems and medical diagnostics, power plant controls, radio communications systems, and robotics.

Principle of Operation

The PA73M/883 amplifier contains four independent non-inverting input stages, operating at supply voltages as low as 5.5V, with a maximum supply voltage of 16V. The low supply voltage allows the PA73M/883 to be operated from battery or AC-DC supplies. The integrated noninverting amplifier provides a gain of two for each input stage. This range of gain is adjustable from x2 to x1024, with a gain accuracy of 1%. The offset current is less than 200nA, which makes the amplifier suitable for measuring very low current signals.The PA73M/883 amplifier can be used for low level signals, as well as for large current signals up to 500mA. The input impedance of the amplifier is adjustable from 10MΩ to 10kΩ. The overall total harmonic distortion (THD) of the amplifier is less than 0.1%. The PA73M/883 amplifier also provides a wide bandwidth of 10MHz, high slew rate of 19V/µs, and low output impedance of 2.5Ω.

Applications

The PA73M/883 amplifier is suitable for a variety of instrumentation, op amp, and buffer amplifying applications. It is highly suitable for instrumentation applications such as datalogging, medical imaging systems and medical diagnostics, power plant controls, radio communications systems and robotics. The amplifier is also suitable for automatic test equipment, digital control systems, audio processing and voice recognition systems, and other industrial process control applications. The PA73M/883 is capable of providing a wide range of gains for a variety of dynamic system types. It has excellent noise suppression capabilities and a high input impedance. The PA73M/883 amplifier is also capable of processing large signals, making it suitable for a variety of measurement and data acquisition applications. Instrumentation applications such as datalogging typically require very low input noise and wide adjustability. The PA73M/883 is designed to meet these requirements, offering wide gains from x2 to x1024, low (less than 200nA) offset current and high common mode rejection ratio (CMRR). The wide bandwidth of 10MHz and low noise of less than 0.1% THD, makes the amplifier suitable for dynamic measurements.The PA73M/883 is also suitable for op amp and buffer amplifying applications. The amplifier offers excellent input and output impedance characteristics, with input impedance ranging from 10MΩ to 10kΩ and output impedance 2.5Ω. The amplifier is capable of processing up to 500mA of current, making it suitable for amplifying high current signals. The amplifier also has very low noise and excellent CMRR for a variety of applications, such as motor control, active filters, and analog to digital converters.

Conclusion

The PA73M/883 amplifier is a four-channel integrated non-inverting amplifier specifically designed for instrumentation, operational (op) amp, and buffer amplifying applications. It has a wide range of gains from x2 to x1024 and can operate at supply voltages as low as 5.5V. The amplifier offers low noise and low power consumption, making it suitable for a variety of applications, such as instrumentation, datalogging and medical imaging systems, power plant controls, radio communications systems and robotics. The PA73M/883 is also suitable for op amp and buffer amplifying applications, offering excellent input/output impedance characteristics, low noise, and CMRR.

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