Analog bandwidth of the stm32 ADCs.

[Alexey Vergin]

What is the analog bandwidth of the stm32 ADCs in the different series?

[waclawek.jan]

Why don't you look up yourself in the respective datasheets?

JW

PS. Change your username to a normal nick.

[S.Ma]

Datasheet will tell the maximum sampling rate. If the MCU has more than one ADC, there is a SW trick to interleave them to double the sampling rate.

[Alexey Vergin]

I am going to use the ADC in stroboscopic mode. And I interested in the analog bandwidth, not a sampling rate. This is not the same.

I did not find this information in the datasheets.

[waclawek.jan]

From analog point of view, the ADC is dominantly a capacitor - the sampling capacitor, capacitance of which is specified in the DS.

The bandwidth is then mostly given by the output impedance of your driving circuit.

JW

[Alexey Vergin]

Thanks. It`s very important information. But I`m afraid that there are some other factors that may limit the maximum frequency. For example, signal capture time. As far as I understand, it must be principally smaller then the signal period

[MasterT]

Probably too late for OP, posting for anyone else getting this topic in the search results.

stm32G474re adc performance - STMicroelectronics Community