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ADS122C04: Circuit Design for Low Current [nA] & Low Voltage [uV] Precise/Accurate Measurement.

Part Number: ADS122C04
Other Parts Discussed in Thread: ADS131B02-Q1, ADS127L11, ADS1219

Hello everyone,

Can you please suggest set of 24 Bit high speed ADCs & DAC for low current & voltage measurement. I want precise & fast ADC for measuring current in nano Amperes (nA) & voltage in micro Volt (uV).

Necessary speed for data transfer for ADC & reading ADC data. It will be 24 Bit output stream of ADC & 16 Bit input stream for the DAC.

VREF of ADC can be from 2.5V to 5V max but 2.5V is preferable.

Schematic is shown above & since ADC is the bottleneck & speed is paramount, therefore please suggest the part numbers which can give me precise and accurate results.

I have gone through ADS122C04, , ADS1219, ADS127L10, ADS131B02-Q1, ADS127L11, these set of ICs already. Please suggest one.

Thanks & Regards