INA217是一种低噪声、低失调的集成仪表放大器。它具有较宽的带宽和增益动态响应。IN A217独特的失调消除电路使其即使在高增益时也能把失调减小到最低范围 ,适用于低频音频信号采集系统的前置放大器、变频放大器、桥式传感器放大器、差动接收器、医疗仪器和仪器仪表等方面。文章介绍了INA217的功能特点、主要参数和几种应用电路 The INA217 is a low noise, low offset integrated instrumentation amplifier. It has a wide bandwidth and gain dynamic response. IN A217’s unique offset cancellation circuitry allows it to minimize offset even at high gain. Preamps, variable frequency amplifiers, bridge sensor amplifiers, differential receivers, medical receivers for low frequency audio signal acquisition systems Instruments and instrumentation and so on. The article introduced the INA217 function characteristic, the main parameter and several kinds of application circuits