Datasheet Summary
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ADS8661, ADS8665 SBAS780B
- DECEMBER 2016A- DRESV8IS6E6D1,MAARDCSH82606251
SBAS780B
- DECEMBER 2016
- REVISED MARCH 2021
ADS866x 12-Bit, High-Speed, Single-Supply, SAR ADC Data Acquisition System
With Programmable, Bipolar Input Ranges
1 Features
- 12-bit ADC with integrated analog front-end
- High speed:
- ADS8661: 1.25 MSPS
- ADS8665: 500 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...