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ADS7949 - SAR ADC

Download the ADS7949 datasheet PDF. This datasheet also covers the ADS7947 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 ADS7947, ADS7948, and ADS7949 are pincompatible 12-bit, 10-bit, and 8-bit, 2-MSPS, analogto-digital converters (ADCs), respectively.

The devices operate at a 2-MSPS sample rate with a standard 16 clock data frame.

Key Features

  • 1 Sample rate: 2 MSPS.
  • Pin-compatible family: 12-, 10-, 8-bit.
  • High resolution, high throughput:.
  • ADS7947: 12 bit, 2.1 MSPS.
  • ADS7948: 10 bit, 2.57 MSPS.
  • ADS7949: 8 bit, 3 MSPS.
  • Excellent performance:.
  • No missing codes.
  • INL: 1 LSB (max).
  • SNR: 72 dB (min).
  • Low power:.
  • 7.5 mW at 2-MSPS operation.
  • Auto power-down at lower speeds:.
  • 3.8 mW at 500 kSPS.
  • 0.8 mW at 100 kS.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (ADS7947-etcTI.pdf) that lists specifications for multiple related part numbers.

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Other Datasheets by Texas Instruments

Part Number Description
ADS7945 Analog-to-Digital Converter
ADS7946 Analog-to-Digital Converter
ADS7947 SAR ADC
ADS7948 SAR ADC
ADS7924 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 Order Now Technical Documents Tools & Software Support & Community ADS7947, ADS7948, ADS7949 SLAS708A – SEPTEMBER 2010 – REVISED SEPTEMBER 2019 ADS794x Ultra-Low Power, 12-, 10-, and 8-Bit, Dual-Channel, SAR ADCs 1 Features •1 Sample rate: 2 MSPS • Pin-compatible family: 12-, 10-, 8-bit • High resolution, high throughput: – ADS7947: 12 bit, 2.1 MSPS – ADS7948: 10 bit, 2.57 MSPS – ADS7949: 8 bit, 3 MSPS • Excellent performance: – No missing codes – INL: 1 LSB (max) – SNR: 72 dB (min) • Low power: – 7.5 mW at 2-MSPS operation – Auto power-down at lower speeds: – 3.8 mW at 500 kSPS – 0.8 mW at 100 kSPS – 0.16 mW at 20 kSPS • Wide supply range: – Analog: 2.7 V to 5.5 V – Digital: 1.