ADS131M08 8-Channel, Simultaneously-Sampling, 24-Bit, Delta-Sigma ADC

1 Features

8 simultaneously sampling differential inputs
Programmable data rate up to 32 kSPS
Programmable gain up to 128
Noise performance:
- 102-dB dynamic range at gain = 1, 4 kSPS
- 80-dB dynamic range at gain = 64, 4 kSPS
Total harmonic distortion: –100 dB
High-impedance inputs for direct sensor connection:
- Input impedance 330-kΩ for gains of
  1, 2, and 4
- Input impedance ≥ 1-MΩ for gains of
  8, 16, 32, 64, and 128
Programmable channel-to-channel phase delay calibration:
- 244-ns resolution, 8.192-MHz f_CLKIN
Current-detect mode allows for extremely low power tamper detection
Fast startup: first data within 0.5 ms of supply ramp
Integrated negative charge pump allows input signals below ground
Crosstalk between channels: –120 dB
Low-drift internal voltage reference
Cyclic redundancy check (CRC) on communications and register map
2.7-V to 3.6-V analog and digital supplies
Low power consumption: 6.0 mW at 3-V AVDD and DVDD
Packages: 32-pin TQFP or 32-pin WQFN
Operating temperature range: –40°C to +125°C