ADS8691
Description
The ADS8691, ADS8695, and ADS8699 belong to a family of integrated data acquisition system based on a successive approximation (SAR) analog-to-digital converter (ADC).
Key Features
- 18-bit ADC with integrated analog front-end
- 5-V analog supply: 1.65-V to 5-V I/O supply
- Constant resistive input impedance ≥ 1 MΩ
- Input overvoltage protection: up to ±20 V
- On-chip, 4.096-V reference with low drift
- Excellent performance
- DNL: ±0.6 LSB; INL: ±1.75 LSB - SNR: 92.5 dB; THD: -110 dB
- ALARM → high, low threshold
- multiSPI™ interface with daisy-chain
- Extended industrial temperature range: -40°C to +125°C
