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https://e2e.ti.com/support/amplifiers-group/amplifiers/f/amplifiers-forum/741839/ina190-ina190-output-is-always-be-3-8v
我有一个 INA190A5 EVM (500V/V)。
我连接了引脚、如下所示。 但 OUT 引脚始终为3.8V。 我不知道问题是什么。
Vs = 4.3V
ENABLE = Vs。
REF = GND。
Rsense = 0.5 Ω。
IN+/ IN-=未连接。
