ADS131M04
Features
- 1 4 simultaneously sampling differential inputs
- Programmable data rate up to 32 k SPS
- Programmable gain up to 128
- Noise performance:
- 102-d B dynamic range at gain = 1, 4 k SPS
- 80-d B dynamic range at gain = 64, 4 k SPS
- Total harmonic distortion:
- 100 d B
- High-impedance inputs for direct sensor connection:
- 300-kΩ input impedance for gains of
1, 2, and 4
- 1-MΩ input impedance for gains of
8, 16, 32, and 64
- Programmable channel-to-channel phase delay calibration:
- 244-ns resolution, 8.192-MHz f CLKIN
- Current detect mode allows for super 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 d B
- Low-drift internal voltage reference
- Cyclic redundancy check (CRC) on munications and register map
- 2.7-V to 3.6-V analog and digital supplies
- Low power consumption: 3.3 m W at 3-V AVDD and DVDD
- Package: 20-pin TSSOP or 20-pin WQFN
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