AD9898

Obsolete

CCD Signal Processor with Precision Timing™ Generator

Data Sheet (Rev. 0) Product Selection Table

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Overview

Correlated Double Sampler (CDS)
6 dB to 40 dB Variable Gain Amplifier (VGA)
Black Level Clamp with Variable Level Control
Complete On-Chip Timing Generator
Precision Timing Core with 1 ns Resolution

On-Chip: 2-Channel Horizontal and 1-Channel RG Drivers
2-Phase H-Clock Modes
4-Phase Vertical Transfer Clocks
Electronic and Mechanical Shutter Modes
On-Chip Sync Generator with
External Sync Option
Space Saving 48-Lead LFCSP Package

The AD9898 is a highly integrated CCD signal processor for digital still camera and digital video camera applications. It includes a complete analog front end with A/D conversion combined with a full function programmable timing generator. A Precision Timing core allows adjustment of high speed clocks with 1 ns resolution at 20 MHz operation.

The AD9898 is specified at pixel rates as high as 20 MHz. The analog front end includes black level clamping, CDS, VGA, and a 10-bit A/D converter. The timing generator provides all the necessary CCD clocks: RG, H-clocks, V-clocks, sensor gate pulses, substrate clock, and substrate bias pulse. Operation is programmed using a 3-wire serial interface.

Packaged in a space saving 48-Lead LFCSP, the AD9898 is specified over an operating temperature range of –20ºC to +85ºC.