PRODUCT DESCRIPTION

The AD9891 and AD9895 are highly integrated CCD signal processors for digital still camera applications. Both include 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 and 700 ps resolution at 30 MHz operation.

FEATURES

AD9891: 10-Bit 20 MHz Version

AD9895: 12-Bit 30 MHz Version

Correlated Double Sampler (CDS)

4 ±6 dB Pixel Gain Amplifier (PxGA®)

2 dB to 36 dB 10-Bit Variable Gain Amplifier (VGA)

10-Bit 20 MHz A/D Converter (AD9891)

12-Bit 30 MHz A/D Converter (AD9895)

Black Level Clamp with Variable Level Control

Complete On-Chip Timing Generator

Precision Timing Core with 1 ns Resolution

On-Chip 5 V Horizontal and RG Drivers

2-Phase and 4-Phase H-Clock Modes

4-Phase Vertical Transfer Clocks

Electronic and Mechanical Shutter Modes

On-Chip Driver for External Crystal

On-Chip Sync Generator with External Sync Option

64-Lead CSPBGA Package

APPLICATIONS

Digital Still Cameras

Digital Video Camcorders

Industrial Imaging