How to remove mains hum from my ADC readings

[okaman]

what about  sallen key  filters 

https://www.ee-diary.com/2021/11/how-to-design-active-band-pass-filter.html
https://www.labcenter.com/blog/sim-active-filters/
https://circuitcellar.com/resources/quickbits/sallen-n-key-filter/

and also may  be you can find some idea to integratedyour circuit  this riplle cancellations circuits

https://www.edn.com/cancel-pwm-dac-ripple-and-power-supply-noise/

[okaman]

and there is Ripple current cancellation circuit
Coupled-Inductor-Based Output Current Ripple Reduction

https://d3i71xaburhd42.cloudfront.net/73edf18c12fa2d82319106e7fa49f6b285b25f61/3-Figure3-1.png



https://www.semanticscholar.org/paper/Ripple-current-cancellation-circuit-Schutten-Steigerwald/73edf18c12fa2d82319106e7fa49f6b285b25f61/figure/2
https://www.tandfonline.com/doi/figure/10.1080/15325008.2017.1362069?scroll=top&needAccess=true&role=tab

EOS and ESD on ADC
https://www.ti.com/video/6025680789001?cu=1128375
SBAA506  pdf of TI

[TimB]

Thanks so much okaman

I actually found a way to solve it!!!

I grounded the panel!!!!

Now no ripple... DOW