How to solve the voltage division phenomenon of CD4051 when the total sampling rate is 80K

polk

As shown in the figure, when using 8-channel multi-way analog switch CD4051 and the total sampling rate is 80K, the voltage division phenomenon shown in the figure will occur. Does anyone know what the problem is and how to solve it?

盛世辉煌电子科学

When using 8-channel multi-way analog switch CD4051 and the total sampling rate is 80K, the voltage division phenomenon shown in the figure will occur. Does anyone know what the problem is and how to solve it? You can try using capacitor filtering.

polk

Shengshihuihuang Electronic Science published on 2024-1-12 15:07 When using 8-channel multi-way analog switch CD4051, with a total sampling rate of 80K, the voltage division phenomenon shown in the figure will appear. Does anyone know what it is?

Is it similar to the filter capacitor used when converting AC to DC?

xutong

What is the circuit like?

chunyang

Use high-speed analog switches instead.

LeoMe

One ADC interface samples multiple signals through 4051?