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  4. AD9990


Features and Benefits

  • 1.8 V AFETG core
  • Internal LDO regulators
  • 24 programmable vertical clock signals
  • Correlated double sampler (CDS) with
      −3 dB, 0 dB, +3 dB, and +6 dB gain
  • 6 dB to 42 dB, 10-bit variable gain amplifier (VGA)
  • 14-bit, 32 MHz analog-to-digital converter (ADC)
  • Black level clamp with variable level control
  • Complete on-chip timing generator
  • Precision Timing core with ~488 ps resolution
  • On-chip 3 V horizontal and RG drivers
  • General-purpose outputs (GPOs) for shutter and system support
  • See data sheet for additional features

Product Details

The AD9990 is a highly integrated CCD signal processor for digital still camera applications. It includes a complete analog front end with analog-to-digital conversion and a full-function, programmable timing generator for a 2-channel output CCD. Each channel is specified up to 32 MHz. The timing generator is capable of supporting up to 24 vertical clock signals to control advanced CCDs. A Precision Timing™ core allows adjustment of high speed clocks with approximately 488 ps resolution at 32 MHz operation. The AD9990 also contains eight general-purpose outputs that can be used for shutter and system functions.

Each analog front end includes black level clamping, a CDS, a VGA, and a 14-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 AD9990 is specified over an operating temperature range of −25°C to +85°C.


  • Digital still 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.View our quality and reliability program and certifications for more information.

    Part Number Material Declaration Reliability Data Pin/Package Drawing CAD Symbols, Footprints & 3D Models
    AD9990BBCZ Material Declaration Reliability Data 112-Ball CSPBGA (8mm x 8mm)
    AD9990BBCZRL Material Declaration Reliability Data 112-Ball CSPBGA (8mm x 8mm)
    Wafer Fabrication Data

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