OP467GS

Current - Input Bias:	150nA
Base Part Number:	OP467
Supplier Device Package:	16-SOIC
Package / Case:	16-SOIC (0.295", 7.50mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C
Voltage - Supply, Single/Dual (±):	±4.5 V ~ 18 V
Current - Supply:	8mA
Voltage - Input Offset:	200µV
Series:	--
Gain Bandwidth Product:	28MHz
Slew Rate:	350 V/µs
Output Type:	--
Number of Circuits:	4
Amplifier Type:	General Purpose
Part Status:	Obsolete
Packaging:	Tube

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Introduction
The OP467GS is a low-power low-noise single-supply instrumentation amplifier that allows easy and efficient data acquisition. It provides fast and accurate signal conditioning in a variety of applications and is particularly well-suited for use with preamplifiers and digitizers for medical, industrial, and commercial purposes. The OP467GS is designed for applications such as medical instrumentation, broadcast/video systems, data acquisition systems, and analog-to-digital conversion circuitry. This article will discuss the application field and working principle of the OP467GS.Applications
The OP467GS instrumentation amplifier has many applications in data acquisition and signal conditioning systems. These include:

• Medical instrumentation
• Broadcast/video systems
• Data acquisition systems
• Analog-to-digital conversion circuitry
• Control systems
• Automation
• Industrial process monitoring and control
• Precision metering circuits

In medical instrumentation, the OP467GS instrumentation amplifier is used in the detection and measurement of the electrical signals generated by the body in order to diagnose and monitor medical conditions. It is also used in broadcast and video systems for high-precision measurements of camera output signals and for various studio-quality preamplifiers for microphone, electric guitars, and bass instruments. In data acquisition systems, it is used for conditioning signals from sensors and other analog signals.In analog-to-digital conversion circuitry, the OP467GS is used for the amplification and isolation of the analog signal before its conversion to digital. The amplifier\'s low-noise performance is particularly beneficial in high-resolution systems. In control systems, the OP467GS can also be used to condition the signals from analog-to-digital and digital-to-analog converters. It can also be used in industrial process monitoring and control, precision metering circuits, and automation.Working Principle
The OP467GS instrumentation amplifier is a low-power low-noise single-supply instrumentation amplifier that provides fast and accurate signal conditioning in a variety of applications. It features a two-stage amplifying system consisting of a differential amplifier and a gain-stage buffer amplifier.The differential amplifier consists of two amplifiers connected in parallel, differential inputs, and identical gains. The two inputs of the differential amplifier are typically connected to two different signals that vary in phase, allowing for the detection of minor variations in phase and voltage. These variations can be amplified accurately by the differential amplifier before being applied to the gain-stage buffer.The gain-stage buffer amplifier consists of an inverting amplifier and a non-inverting amplifier connected in series. The inverting amplifier amplifies the signal while the non-inverting amplifier ensures that the output is able to remain within a predetermined range. This ensures that the output signal is accurate and stable.The OP467GS features an output noise level of only 20μV at a frequency of 1kHz, and a wide power-supply range of 3V to 18V. It also offers excellent common-mode rejection with a frequency response from 20Hz to 120kHz and a slew rate of 1.2V/μs.Conclusion
The OP467GS is a low-power low-noise single-supply instrumentation amplifier that allows easy and efficient data acquisition. It provides fast and accurate signal conditioning in a variety of applications, including medical instrumentation, broadcast/video systems, data acquisition systems, and analog-to-digital conversion circuitry. It features a two-stage amplifying system consisting of a differential amplifier and a gain-stage buffer amplifier. The OP467GS offers an output noise level of only 20μV at a frequency of 1kHz, and a wide power-supply range of 3V to 18V. With its low-noise performance, wide power-supply range, and excellent common-mode rejection, the OP467GS is ideal for many signal conditioning and data acquisition systems.

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