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ADS7947 - SAR ADC

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.

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.

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Datasheet preview – ADS7947

Datasheet Details

Part number ADS7947
Manufacturer Texas Instruments
File Size 1.38 MB
Description SAR ADC
Datasheet download datasheet ADS7947 Datasheet
Additional preview pages of the ADS7947 datasheet.

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Full PDF Text Transcription

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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.
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