AD8237ARMZ 仪表放大器

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AD8237ARMZ

仪表放大器 Micropower RR Zero Drift

Micropower, Zero Drift, True Rail-to-Rail  Instrumentation Amplifier


GENERAL DESCRIPTION AD8237ARMZ

The AD8237 is a micropower, zero drift, rail-to-rail input and output instrumentation amplifier. The relative match of two resistors sets any gain from 1 to 1000. The AD8237 has excellent gain accuracy performance that can be preserved at any gain with two ratio-matched resistors.


The AD8237 employs the indirect current feedback architecture to achieve a true rail-to-rail capability. Unlike conventional in-amps, the AD8237 can fully amplify signals with common-mode voltage at or even slightly beyond its supplies. This enables applications with high common-mode voltages to use smaller supplies and save power.

FEATURES AD8237ARMZ

Gain set with 2 external resistors

Can achieve low gain drift at all gains

Ideal for battery powered instruments

Supply current: 115 μA

Rail-to-rail input and output

Zero input crossover distortion

Designed for excellent dc performance

Minimum CMRR: 106 dB

Maximum offset voltage drift: 0.3 μV/°C

Maximum gain error: 0.005% (all gains)

Maximum gain drift: 0.5 ppm/°C (all gains)

Input bias current: 1 nA guaranteed to 125°C

APPLICATIONS AD8237ARMZ

Bridge amplification

Pressure measurement

Medical instrumentation

Thermocouple interface

Portable systems

Current measurement


型号/规格

AD8237ARMZ

品牌/商标

ADI

工作电源电流

: 115 uA

Ib - 输入偏流

: 650 pA

通道数量

: 1 Channel

工作电源电压

: 1.8 V to 5.5 V