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有没有INA156 这种可通过外部电阻调节增益，但封装比INA156小的推荐，我的增益值理想值差不多40db, INA156封装太大了.
关于仪表放大器，您可以使用下方选型链接，通过筛选对应的封装和其他设计指标以满足您的设计需求。
https://www.ti.com/amplifier-circuit/instrumentation/products.html
