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ANALOG DEVICES INC. AD4695 & AD4696 16-Channel 16-Bit SAR ADCs | New Product Brief

June 22, 2021 by Mouser Electronics

This New Product Brief (NPB) is part of a video series highlighting the features, applications, and technical specs of newly-released products.

ANALOG DEVICES INC. AD4695 & AD4696 16-Channel 16-Bit SAR ADCs

Analog Devices Incorporated’s AD4695 and AD4696 16-Channel 16-Bit Successive Approximation Register (SAR) Analog-to-Digital Converters (ADC) are optimized for use in space-constrained, multi-channel, precision data acquisition systems and monitoring circuits.

These low-power devices include a true 16-bit SAR ADC core with no missing codes and offers advanced digital functionality makes the AD4695 and AD4696 compatible with a variety of low-power digital hosts. The low Serial Peripheral Interface (SPI) clock-rate requirements, on-chip customizable channel sequencers, and oversampling and decimation reduce the burden on the digital host system.

With the new Easy Drive™ technology, these ADCs feature a fully passive sampling network that automatically cancels the differential input current to relax the drive requirements of the Analog Front End (AFE) and reference circuitry. 

  • AD4695 & AD4696 16-Channel 16-Bit SAR ADCs
    • Space-constrained
    • Multi-channel
    • Precision data acquisition systems
    • Monitoring circuits
  • Enhanced digital functionality reduces burden on the digital host system
    • Low-crosstalk multiplexer
    • Overvoltage clamp input current protection up to 5 mA on each analog input
    • Threshold detection alerts
    • Autonomous conversion (autocycle) mode
    • Fast conversion time and dual-SDO mode allows low SPI clock rates
    • Customizable channel sequencer
    • On-chip oversampling and decimation
  •  Easy Drive™
    • Reduced analog input and reference drive requirements
  • Analog input high-Z mode and reference input high-Z mode removes the need for dedicated high-speed ADC drivers and reference buffers
    • Simplifies system designs
    • Reduce component count
  • Small footprint, high channel density
    • 5.0mm x 5.0mm LFCSP32 package

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