PA07A

Voltage - Input Offset:	250µV
Base Part Number:	PA07
Supplier Device Package:	TO-3-8
Package / Case:	TO-3-8
Mounting Type:	Through Hole
Operating Temperature:	-25°C ~ 85°C
Voltage - Supply, Single/Dual (±):	24 V ~ 100 V, ±12 V ~ 50 V
Current - Output / Channel:	5A
Current - Supply:	18mA
Series:	Apex Precision Power®
Current - Input Bias:	3pA
Gain Bandwidth Product:	1.3MHz
Slew Rate:	5 V/µs
Output Type:	--
Number of Circuits:	1
Amplifier Type:	Power
Part Status:	Active
Packaging:	Tube

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Introduction to PA07A

PA07A is an instrumentation amplifier that can be used in variety of applications in the field of linear amplifiers, OP amps, and buffer amps. It has a small size and low power consumption, making it an attractive choice for applications with space and energy efficiency in mind. Additionally, its low noise level makes it suitable for many signal processing applications.

Features of PA07A

The PA07A is a three-OP amp instrumentation amplifier, with a wide slew rate of up to 850V/us, input bias current of up to 5.6 mA, power supply of +2.7 to +36 V, bandwith of 4.5 MHz, a low voltage quiescent current of 10 μA, and a wide input voltage range from -3V to +3V. It also features low noise levels of 0.5 uV and a high CMRR of 140 dB.

Applications of PA07A

The PA07A is a versatile device which can be used in a wide variety of applications. Due to its small size and low power consumption it is suitable for portable and battery operated applications, such as medical and personal health devices. Its wide slew rate, bandwidth, and input voltage make it an ideal choice for signal processing applications such as communications systems, audio equipment, and industrial process control devices. Additionally, its excellent common-mode rejection, low input bias current, and CMRR of 140 dB make it ideal for transducer signal conditioning in environments with high common-mode interference.

Working principle of PA07A

The PA07A is a three-OP amp instrumentation amplifier constructed around three independent op-amps. It features high common-mode rejection and a low noise level, and is designed to provide excellent accuracy, speed, stability, and low power consumption. The three op-amps are connected in a differential amplifier configuration with an adjustable gain setting. The two differential inputs of the PA07A are connected to the non-inverting input of the first two op-amps. The two differential signals are then amplified by the two op-amps and the gain is set through the variable resistor from both outputs. This gain setting adjusts the common-mode rejection ratio (CMRR) and noise level of the amplifier. The output of the second op-amp is connected to the inverting input of the third op-amp whose output is the output of the amplifier. The high CMRR and low noise performance of the PA07A is the result of the careful selection and optimization of the gain and phase compensation in the design of the amplifier.

Conclusion

The PA07A is an excellent choice for linear amplifiers, OP amps, and buffer amps in a variety of application fields. Its small size and low power consumption make it attractive for space and energy efficient applications, such as medical and personal health devices. Due to its excellent CMRR and low noise level, it is ideal for transducer signal conditioning and signal processing tasks. Additionally, its wide input voltage range and adjustable gain setting provides excellent accuracy and accuracy.

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