FEATURES
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 APPLICATIONS
Digital Still Cameras Digital Video Camcorders GENERAL DESCRIPTION
A Precision Timing core allows adjustment of high speed clocks with 1 ns resolution at 20 MHz operation. 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 –20°C to +85°C.
Analog Devices
