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Overview

Features and Benefits

  • Differential sensor input with 1 V p-p input range
  • 0 dB/6 dB variable gain amplifier (VGA)
  • Low noise optical black clamp circuit
  • 14-bit, 56 MSPS analog-to-digital converter (ADC)
  • No missing codes guaranteed
  • 3-wire serial digital interface
  • 3 V single-supply operation
  • Low power CMOS: 145 mW @ 3.0 V, 56 MHz
  • 48-lead LQFP package

Product Details

The AD9941 is a complete analog signal processor for imaging applications that do not require correlated double sampling (CDS). It is also suitable for processing the output signal from the AD9940 CDS front end product. It features a 56 MHz, single-channel architecture designed to sample and condition the output of CMOS imagers and CCD arrays already containing on-chip CDS. The AD9941 signal chain consists of a differential input sample-and-hold amplifier (SHA), a digitally controlled variable gain amplifier (VGA), a black level clamp, and a 14-bit ADC.

The internal registers are programmed through a 3-wire serial digital interface.

The AD9941 operates from a single 3 V supply, typically dissipates 145 mW, and is packaged in a 48-lead LQFP.

Applications

  • Digital still cameras using CMOS imagers
  • Professional HDTV camcorders
  • Professional/high-end digital cameras
  • Broadcast cameras

Product Lifecycle icon-not-recommended Not Recommended for New Designs

This designates products ADI does not recommend broadly for new designs.

Design Resources

ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well.  "Zero defects" for shipped products is always our goal.

PCN-PDN Information

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The USA list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Analog Devices, Inc. sales office or authorized distributor. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.


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