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ADC Fast \ Slow Channels

PBerg
Associate

Hi,

i want to use the ADC to measure 7 Hall sensors,

i need the conversion time for all seven ADC channels needs to be the same,

i use both slow and fast channels, 

i have the following questions:

1. How to make the conversion time for the slow and fast channels be exactly the same, note they would be sampled in one sequence.

2. How to decide on needed configuration of the ADC_SMPR1 for clock cycles both to fast and slow channels, what would be the affect on the resolution?

    2.1 can I use this to configure slow and fast channels to have the same conversion time?

Unfortunately, chapters from the ref. Manual (24.3.17 Timing, 24.3.13 Channel-wise programmable sampling time (SMPR1, SMPR2)) and datasheet (6.3.20 16-bit ADC characteristics) are not clear enough. 

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