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INA226的电流测试精度

Other Parts Discussed in Thread: INA226

目前正在应用INA226来测试电流,发现连个问题。

1. 如何确定INA226的电流精度?在Datasheet里面如何得到理论测试精度是多少?

2.在测试电流时,在连续的读取中电流读取值会慢慢变大,实际的被测电流是一个恒定电流源。增大幅度为3mA每秒。

请帮忙解疑答惑谢谢!