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ADS7229 - Analog-to-Digital Converter

General Description

The ADS7229 is a low-power, 12-bit, 1MSPS analog-to-digital converter (ADC) with a unipolar input.

The device includes a 12-bit capacitor-based successive approximation register (SAR) ADC with inherent sample-and-hold.

Key Features

  • 1.
  • 23 2.7V to 5.5V Analog Supply, Low Power:.
  • 13.7mW (1MHz, +VA = 3V, +VBD = 1.8V).
  • 1MHz Sampling Rate 3V ≤ +VA ≤ 5.5V, 900kHz Sampling Rate 2.7V ≤ +VA ≤ 3V.
  • Excellent DC Performance:.
  • ±0.15LSB Typ, ±0.5LSB Max INL.
  • ±0.12LSB Typ, ±0.5LSB Max DNL.
  • ±0.8mV Max Offset Error at 3V.
  • ±1.25mV Max Offset Error at 5V.
  • Excellent AC Performance at fI = 10kHz with 73.9dB SNR, 93.4dB SFDR,.
  • 88.5dB THD.
  • Built-In Co.

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Other Datasheets by Texas Instruments

Part Number Description
ADS7223 Analog-to-Digital Converter
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ADS7250 Analog-to-Digital Converters
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ADS7253 Analog-to-Digital Converters

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.

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ADS7229 ADS7230 www.ti.com ............................................................................................................................................................... SBAS437A – MAY 2008 – REVISED JUNE 2009 LOW-POWER, 12-BIT, 1MHz, SINGLE/DUAL UNIPOLAR INPUT, ANALOG-TO-DIGITAL CONVERTERS WITH SERIAL INTERFACE FEATURES 1 •23 2.7V to 5.5V Analog Supply, Low Power: – 13.7mW (1MHz, +VA = 3V, +VBD = 1.8V) • 1MHz Sampling Rate 3V ≤ +VA ≤ 5.5V, 900kHz Sampling Rate 2.7V ≤ +VA ≤ 3V • Excellent DC Performance: – ±0.15LSB Typ, ±0.5LSB Max INL – ±0.12LSB Typ, ±0.5LSB Max DNL – ±0.8mV Max Offset Error at 3V – ±1.25mV Max Offset Error at 5V • Excellent AC Performance at fI = 10kHz with 73.9dB SNR, 93.4dB SFDR, –88.5dB THD • Built-In Conversion Clock (CCLK) • 1.65V to 5.