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https://e2e.ti.com/support/amplifiers-group/amplifiers/f/amplifiers-forum/658888/lm2904-esd-diodes-at-inputs
丁
有一种二极管，例如SD2 (PN二极管，而不是Shottky)。
没有像SD1这样的二极管。 如果输入大于VCC，则没有输入电流流动
