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ADS8668 - SAR ADC

Download the ADS8668 datasheet PDF. This datasheet also covers the ADS8664 variant, as both devices belong to the same sar adc family and are provided as variant models within a single manufacturer datasheet.

General Description

The ADS8664 and ADS8668 are 4- and 8-channel, integrated data acquisition systems based on a 12-bit successive approximation (SAR) analog-to-digital converter (ADC), operating at a throughput of 500 kSPS.

Key Features

  • 1 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 MΩ.
  • Input Overvoltage Protection: Up to ±20 V.
  • On-Chip, 4.096-V Reference with Low Drift.
  • Excellent Performance:.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (ADS8664-etcTI.pdf) that lists specifications for multiple related part numbers.

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Other Datasheets by Texas Instruments

Part Number Description
ADS8661 SAR ADC
ADS8664 SAR ADC
ADS8665 SAR ADC
ADS8634 SAR Analog-to-Digital Converter
ADS8638 SAR Analog-to-Digital Converter

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
Product Folder Sample & Buy Technical Documents Tools & Software Support & Community Reference Design ADS8664, ADS8668 SBAS492 – JULY 2015 ADS866x 12-Bit, 500-kSPS, 4- and 8-Channel, Single-Supply, SAR ADCs with Bipolar Input Ranges Additional Channels in ADS8668 Multiplexer Gain (% FS) 1 Features •1 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 MΩ • Input Overvoltage Protection: Up to ±20 V • On-Chip, 4.096-V Reference with Low Drift • Excellent Performance: – 500-kSPS Aggregate Throughput – DNL: ±0.2 LSB; INL: ±0.