AMC1203: Single ended input?

Thanks, Alexander, that's the simple answer I hoped for. I didn't guess, from the diagram, that the answer would be so simple. I want to replace a conventional PWM circuit with this highly-oversampled implementation; I don't intend to drive a digital filter, like the AMC1210. I will evaluate my application with the AMC1203EVM.

By "newer," do you refer to the higher-frequency parts in the family, or to something else?

Hi Brian,

Happy to help. 

The output is not a PWM but a digital bitstream proportional to the input voltage - requiring connection to an SDFM. 

We have devices that operate up to higher clock frequencies, higher isolation ratings and higher accuracy.

Take a look at the AMC1303M2520 for example: https://www.ti.com/product/AMC1303M2520

Followup question, Alexander: am I right in thinking that I can bias the (-) input to VDD/2 to get low duty factor with near zero volts on the (+) input and high duty factor with near VDD on the (+) input?

Hi Brian,

Yes, you are correct. This scenario would result in the output clipping negative and positive.