2019-11-17 12:18 PM
What is the analog bandwidth of the stm32 ADCs in the different series?
2019-11-17 12:42 PM
Why don't you look up yourself in the respective datasheets?
JW
PS. Change your username to a normal nick.
2019-11-17 09:26 PM
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.
2019-11-18 08:10 AM
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.
2019-11-18 01:02 PM
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.
2019-11-18 02:23 PM
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
2023-11-09 06:02 AM
Probably too late for OP, posting for anyone else getting this topic in the search results.
stm32G474re adc performance - STMicroelectronics Community
