Datasheet Texas Instruments ADS8668IDBT — Datenblatt

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Design ADS8664, ADS8668
SBAS492 – JULY 2015 ADS866x 12-Bit, 500-kSPS, 4-and 8-Channel, Single-Supply, SAR ADCs with
Bipolar Input Ranges
1 Features 2 Applications 12-Bit ADCs with Integrated Analog Front-End
4-, 8-Channel MUX with Auto and Manual Scan
Channel-Independent Programmable Inputs:
– ±10.24 V, ±5.12 V, ±2.56 V, ±1.28 V, ±0.64 V
– 10.24 V, 5.12 V, 2.56 V, 1.28 V
5-V Analog Supply: 1.65-V to 5-V I/O Supply
Constant Resistive Input Impedance: 1 MО©
Input Overvoltage Protection: Up to В±20 V
On-Chip, 4.096-V Reference with Low Drift
Excellent Performance:
– 500-kSPS Aggregate Throughput
– DNL: ±0.2 LSB; INL: ±0.2 LSB
– Low Drift for Gain Error and Offset
– SNR: 73.8 dB; THD: –95 dB …