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AD9920A:  12-Bit CCD Signal Processor with V-Driver and Precision Timing Generator

Product Details

The AD9920A is a highly integrated charge-coupled device (CCD) signal processor for digital still camera applications. It includes a complete analog front end (AFE) with analog-to-digital conversion, combined with a full-function programmable timing generator and 19-channel vertical driver (V-driver). The timing generator is capable of supporting up to 26 vertical clock signals to control advanced CCDs. The on-chip V-driver supports up to 19 channels for use with six-field CCDs. A Precision Timing™ core allows adjustment of high speed clocks with approximately 400 ps resolution at 40.5 MHz operation. The AD9920A also contains six GPOs that can be used for shutter and system functions.

The analog front end includes black level clamping, variable gain CDS, and a 12-bit ADC. The timing generator provides all the necessary CCD clocks: RG, H-clocks, V-clocks, sensor gate pulses, substrate clock, and substrate bias control.

The AD9920A is specified over an operating temperature range of −25°C to +85°C.


  • Digital still cameras

    • Integrated 19-channel V-driver
    • 1.8 V AFETG core
    • 24 programmable vertical clock signals
    • Correlated double sampler (CDS) with −3 dB, 0 dB, +3 dB, and +6 dB gain
    • 12-bit, 40.5 MHz analog-to-digital converter (ADC)
    • Black level clamp with variable level control
    • Complete on-chip timing generator
    • Precision Timing core with ~400 ps resolution
    • On-chip 3 V horizontal and RG drivers
    • General-purpose outputs (GPOs) for shutter and system support
    • On-chip sync generator with external sync input
    • On-chip 1.8 V low dropout (LDO)

    AD9920A Functional Block Diagram

    Evaluation Kits & Symbols & Footprints

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    Price, packaging, availability

    AD9920A Model Options
    Model Package Pins Temp.
    Price*(100-499) Price*1000 pcs RoHS View PCN/ PDN Check Inventory/
    AD9920ABBCZ Status: Production 105 ball CSPBGA (8mm²) 105 Comm. Tray, 348 $7.81 $5.93 Y  Material Info PCN Purchase Sample
    AD9920ABBCZRL Status: Production 105 ball CSPBGA (8mm²) 105 Comm. Reel, 2000 - $5.93 Y  Material Info PCN Purchase
    Price Table Help

    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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