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MAX4196：微功耗、单电源、满摆幅、精密仪表放大器

The MAX4194 is a variable-gain precision instrumentation amplifier that combines Rail-to-Rail; single-supply operation, outstanding precision specifications, and a high gain bandwidth. This amplifier is also offered in three fixed-gain versions: the MAX4195 (G = +1V/V), the MAX4196 (G = +10V/V), and the MAX4197 (G = +100V/V). The fixed-gain instrumentation amplifiers feature a shutdown function that reduces the quiescent current to 8µA. A traditional three operational amplifier configuration is used to achieve maximum DC precision. The MAX4194–MAX4197 have rail-to-rail outputs and inputs that can swing to 200mV below the negative rail and to within 1.1V of the positive rail. All parts draw only 93µA and operate from a single +2.7V to +7.5V supply or from dual ±1.35V to ±3.75V supplies. These amplifiers are offered in 8-pin SO packages and are specified for the extended temperature range (-40°C to +85°C). See the MAX4198/MAX4199 data sheet for single-supply, precision differential amplifiers.

关键特性 Low Power Consumption Is Ideal for Remote-Sensing and Battery-Powered Applications +2.7V Single-Supply Operation Low Power Consumption 93µA Supply Current 8µA Shutdown Current (MAX4195/MAX4196/MAX4197) Precision Specifications Maximize Sensor Peformance High Common-Mode Rejection: 115dB (G = +10V/V) Input Common-Mode Range Extends 200mV Below GND Low 50µV Input Offset Voltage (G ≥ +100V/V) Low ±0.01% Gain Error (G = +1V/V) 250kHz -3dB Bandwidth (G = +1V/V, MAX4194) Rail-to-Rail Outputs

MAX4194、MAX4195、MAX4196、MAX4197：引脚配置 应用 4mA至20mA环变送器 电池供电/便携式设备 桥式放大器 数据采集系统 医疗装置 热电偶放大器 变送器接口

数据手册DataSheet

关键参数

技术资料

• High-Gain Signal Conditioning Circuit for Thin and Thick Film Sensors

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