Cd4051 Spice Model Link

To ensure you never lose your again:

https://www.analog.com/en/products/max4051.html (Under "Documentation" → "SPICE Model") cd4051 spice model link

Whether you’re scanning 8 temperature sensors or building a programmable gain amplifier, don’t trust your first PCB spin without simulating the CD4051. The model above has saved me two board revisions — and a lot of head-scratching. To ensure you never lose your again: https://www