Datasheet Summary
ADS8681, ADS8685, ADS8689
SBAS633E
- FEBRUARY 2016
- REVISED AUGUST 2022
ADS868x 16-Bit, High-Speed, Single-Supply, SAR ADC Data Acquisition System With Programmable, Bipolar Input Ranges
1 Features
- 16-bit ADC with integrated analog front-end
- High speed:
- ADS8681: 1 MSPS
- ADS8685: 500 kSPS
- ADS8689: 100 kSPS
- Software programmable input ranges:
- Bipolar ranges: ±12.288 V, ±10.24 V, ±6.144 V, ±5.12 V, and ±2.56 V
- Unipolar ranges: 0 V- 12.288 V, 0 V- 10.24 V, 0 V- 6.144 V, and 0 V- 5.12 V
- 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...