MAX4173HESA+

Current - Input Bias:	700µA
Base Part Number:	MAX4173
Supplier Device Package:	8-SOIC
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C
Voltage - Supply, Single/Dual (±):	3 V ~ 28 V
Current - Supply:	420µA
Voltage - Input Offset:	300µV
Series:	--
-3db Bandwidth:	1.2MHz
Slew Rate:	--
Output Type:	--
Number of Circuits:	1
Amplifier Type:	Current Sense
Part Status:	Active
Packaging:	Tube

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MAX4173HESA+ Application Field and Working Principle

MAX4173HESA+ is a high-precision, low-noise differential linear-in-amplifier with 7.5mA of output current and a fixed gain of +2V/V. It operates from a single +26V and up to +18V supply and is designed for efficiently driving instrumentation systems such as strain gauges and accelerometers operating from cryogenic temperatures to room temperature. With an exceptionally low noise floor and low distortion, the MAX4173HESA+ is ideal for high-precision, low-power instrumentation.The MAX4173HESA+ is available in a SOIC package and offers excellent differential linearity and linear-in/out accuracy of 0.2% as well as a wide common-mode voltage range (±7V). It features a low profile and low quiescent current of 8.5mA so is best suited for battery powered applications and those where the device must be in a very small footprint.This amplifier is designed to work with low-level signal sources (ac) and to offer excellent performance for instrumentation systems. The device is a differential amplifier, meaning it has two inputs and two outputs that are inversely related. It functions by using the input from one side to modify or amplify the signal from the other. The output from one side is also mirrored and inverted to the other side such that when the two inputs have identical signals, the outputs have equivalent and opposite signals. This means that the input signals can be combined but the output functions will always be in a opposite fashion based on the type of amplifier circuit being used.The MAX4173HESA+ operates in a class-AB amplifier configuration, and provides precise linear amplification with low distortion and excellent slew rate, making it ideal for precise instrumentation applications. As such, it is widely used in strain gauges, accelerometers, and other precision low-power instrumentation systems. The MAX4173HESA+ operates from a single +4.75V to +26V supply, and can provide up to 7.5mA of output current.The MAX4173HESA+ is designed for demanding linear performance with a high dynamic range and wide bandwidth. It has a noise floor of 0.2 μVolts/√Hz and distortion level of 0.1% (0.3% with a load of 100kΩ). This amplifier provides a high common-mode rejection ratio (CMRR) of 90dB and a gain error of 0.2%, which makes it exceptionally accurate for instrumentation purposes.The MAX4173HESA+ features a slew rate of 0.3V/μs, making it well-suited for high-precision applications. It can be used as a linear-in/out amplifier with a high level of accuracy, making it ideal for instrumentation purposes. Its low power consumption of 8.5mA makes it suitable for low-power battery operated applications, and the small-footprint SOIC package makes it suitable for complex and miniaturized designs.Overall, the MAX4173HESA+ is a versatile and reliable high-precision amplifier for low-power battery operated instrumentation systems. With its low-noise floor and low distortion, high CMRR and high gain accuracy, and low power consumption, it is well-suited for a variety of instrumentation purposes. It is an ideal amplifier for precise and demanding linear applications, where high performance is needed without sacrificing power.

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