AD9920

过期

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

产品技术资料帮助

ADI公司所提供的资料均视为准确、可靠。但本公司不为用户在应用过程中侵犯任何专利权或第三方权利承担任何责任。技术指标的修改不再另行通知。本公司既没有含蓄的允许，也不允许借用ADI公司的专利或专利权的名义。本文出现的商标和注册商标所有权分别属于相应的公司。
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概述

  • Integrated 18-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)

The AD9920 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 18-channel vertical driver (V-driver). The timing generator is capable of supporting up to 24 vertical clock signals to control advanced CCDs. The on-chip V-driver supports up to 18 channels for use with 5-field CCDs. A Precision Timing core allows adjustment of high speed clocks with approximately 400 ps resolution at 40.5 MHz operation. The AD9920 also contains eight 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 AD9920 is specified over an operating temperature range of −25°C to +85°C.

For more information on the AD9920, email Analog Devices, Inc. at afe.ccd@analog.com.

Applications

  • Digital still cameras

    • AD9920
    12-Bit CCD Signal Processor with V-Driver and Precision Timing® Generator
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    硬件生态系统

    部分模型 产品周期 描述
    AD9920A
    		不推荐用于新设计 12-Bit CCD信号处理器，内含V驱动器与Precision Timing 发生器
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