Commercial 16-bit/4ch ADCs can be obtained for <$0.90 in modest quantities.
The RP2040 ADC is not good, and I am not often sampling something close to my noisy MCU. I'd rather route I2C anywhere than worry about signal integrity routing my analog signal a mile across the board.
Commercial 16-bit/4ch ADCs can be obtained for <$0.90 in modest quantities.
The RP2040 ADC is not good, and I am not often sampling something close to my noisy MCU. I'd rather route I2C anywhere than worry about signal integrity routing my analog signal a mile across the board.