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TLC2652能做光电二极管前置放大器吗?

Other Parts Discussed in Thread: TLC2652, LOG112

我用S1226-8BK做光传感器,内阻1G,电容980pf,使用零偏模式,想用TLC2652做I-V变换。仿真时发现输出不正常,内阻改为100M,输出就正常了。TLC2652的参数表里面没有输入阻抗,这是为什么?各位懂行的能告诉我,他的输入阻抗是多少啊?还有,他能不能用来做光电二极管的前置放大器啊?