MAX4073TAXK+T

Current - Input Bias:	40µA
Base Part Number:	MAX4073
Supplier Device Package:	SC-70-5
Package / Case:	5-TSSOP, SC-70-5, SOT-353
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Voltage - Supply, Single/Dual (±):	3 V ~ 28 V
Current - Supply:	500µA
Voltage - Input Offset:	1mV
Series:	--
-3db Bandwidth:	1.8MHz
Slew Rate:	--
Output Type:	--
Number of Circuits:	1
Amplifier Type:	Current Sense
Part Status:	Active
Packaging:	Tape & Reel (TR)

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MAX4073T AXK+T Application Field and Working Principle

MAX4073T AXK+T is a precision, low-power, low-noise, wideband, single-ended-input, rail-to-rail output instrumentation amplifier and a single-supply buffer amplifier. It belongs to the Linear--Amplifiers--Instrumentation, Op Amps, Buffer Amps family. MAX4073T AXK+T represents a typical instrumentation amplifier. Its input is designed to receive single-ended signals while providing a low-noise, low-power, rail-to-rail output. MAX4073T AXK+T can provide a variety of gain settings ranging from 250V/V to 2000V/V and demonstrates low-noise performance of l20nV/rtHz at 1 kHz with a 200V/V gain. The single-ended inputs of the instrumentation amplifier are designed to interface with low-voltage sources such as sensors, transducers, and a-to-d converters. The amplifier gain range and rail-to-rail output headroom allows the MAX4073T AXK+T to amplify both small and large signal swings, facilitating the design of wide range transducers.MAX4073T AXK+T also includes a low-power, low-noise buffer amplifier, the MAX4075TAXK. This amplifier amplifies a signal from the instrumentation amplifiers output range to the higher signal amplitudes necessary for driving other loads suchas active filters and electronic components. With its single-ended input, low-power consumption, and wide bandwidth (400MHz -3dB at 900V/V Gain), the MAX4075TAXK provides an ideal interface between the MAX4073T AXK+T and any other signal conditioning circuitry.The MAX4073T AXK+T main working principle is based on three simple building blocks: the input block, the gain block, and the output block. The input block consists of differential amplifier stages with low input impedance and wide common-mode to differential-mode conversion gain. This block generates the desired voltage difference between its two inputs, which, in turn, is represented as the Amplified Gm Change between the two inputs of the differential amplifier. The gain block is comprised of an adjustable gain stage, utilizing a non-inverting voltage-follower configuration with a differential input and an adjustable, low-impedance, gain-controlled output. This adjustable gain stage provides the gain of the instrumentation amplifier. Finally, the output block is an adjustable, single-ended output driver, providing the rail-to-rail swing capability needed for large-signal swings and for driving the outputs of other components.The MAX4073T AXK+T instrumentation amplifier provides a compact and low-power solution for a variety of sensing, signal conditioning, and transduction applications. The combination of low noise, power and cost, with the adjustable gain and rail-to-rail output stage make it an ideal fit for applications such as accelerometer and strain gauge conditioning, low-power, high-speed imaging and data acquisition, as well as medical instrumentation, telecommunications, and audio/video processing. Additionally, because of the amplitude and frequency response, this amplifier can be also used for low-frequency electromyography applications. In conclusion, MAX4073T AXK+T instrumentation amplifier and MAX4075TAXK buffer amplifier offer a wide range of gain settings, low-noise performance, power efficiency, and rail-to-rail output headroom. They are ideal for almost any low-power, low-noise, wideband conditioning application.

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