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ADS7890 - Analog-to-Digital Converter

This page provides the datasheet information for the ADS7890, a member of the ADS7890-Burr Analog-to-Digital Converter family.

Description

The ADS7890 is a 14-bit 1.25-MSPS A-to-D converter with 2.5-V internal reference.

The device includes a capacitor based SAR A/D converter with inherent sample and hold.

The device offers a 14-bit serial SPI or DSP compatible interface.

Features

  • D 1.25 MHz Sample Rate, 14-Bit Resolution D Zero Latency D Unipolar, Pseudo Differential Input, Range:.
  • 0 V to 2.5 V D SPIE Compatible Serial Interface D 77.5 dB SNR and.
  • 95 dB THD at 0.5 MHz I/P D Power Dissipation 45 mW at 1.25 MSPS D Nap Mode (10 mW Power Dissipation) D Power Down (10 mW) D Internal Reference D Internal Reference Buffer D 48-Pin TQFP Package.

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Full PDF Text Transcription

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ADS7890 SLAS409 − DECEMBER 2003 14ĆBIT, 1.25ĆMSPS LOW POWER SAR ANALOGĆTOĆDIGITAL CONVERTER FEATURES D 1.25 MHz Sample Rate, 14-Bit Resolution D Zero Latency D Unipolar, Pseudo Differential Input, Range: − 0 V to 2.5 V D SPIE Compatible Serial Interface D 77.5 dB SNR and −95 dB THD at 0.5 MHz I/P D Power Dissipation 45 mW at 1.25 MSPS D Nap Mode (10 mW Power Dissipation) D Power Down (10 mW) D Internal Reference D Internal Reference Buffer D 48-Pin TQFP Package APPLICATIONS D Optical Networking (DWDM, MEMS Based Switching) D Spectrum Analyzers D High Speed Data Acquisition Systems D High Speed Close-Loop Systems D Telecommunication DESCRIPTION The ADS7890 is a 14-bit 1.25-MSPS A-to-D converter with 2.5-V internal reference.
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