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lmp7721的esd问题?

Other Parts Discussed in Thread: LMP7721

用作离子测量的前置放大器,测量信号非常非常微小。pa级别

估计引脚上所施加的最大电压也不会超过100v。

那么lmp7721的输入IN+和IN-引脚,还需要加保护二极管吗?

加了保护二极管,会不会对测量有影响?

就采用Figure 1. Ion Chamber: Current to Voltage Converter的电路