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ADS8671, ADS8675 SBAS779B – DECEMBER 2016A– DRESV8IS6E7D1,MAARDCSH82607251
SBAS779B – DECEMBER 2016 – REVISED MARCH 2021
ADS867x 14-Bit, High-Speed, Single-Supply, SAR ADC Data Acquisition System
With Programmable, Bipolar Input Ranges
1 Features
• 14-bit ADC with integrated analog front-end • High speed:
– ADS8671: 1 MSPS – ADS8675: 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 reference with low drift • Excellent performance:
– DNL: ±0.25 LSB; INL: ±0.4 LSB – SNR: 84.