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大家好，
我想使用此款运放，在运放输入前使用一个RC低通滤波，来将PWM转换成模拟信号。但是在数据手册上没有看到输入阻抗是多少。
以下图中的R和C的值是否合适？：
您好，请参见下方帖子。
https://e2e.ti.com/support/amplifiers-group/amplifiers/f/amplifiers-forum/1392634/lmv358a-are-these-appropriate-values-for-an-rc-lowpass-prefilter-what-is-the-input-impedance-of-this-device?tisearch=e2e-sitesearch&keymatch=lmv324%252520input%252520impedance#
