GENERAL DESCRIPTION

The XRD9855/XRD9856 are complete CCD Image Digitizers for digital cameras. The products include a high bandwidth differential Correlated Double Sampler (CDS), 8-bit digitally Programmable Gain Amplifier (PGA), 10-bit Analog-to-Digital Converter (ADC) and digital controlled black level auto-calibration circuitry.

FEATURES

● 10-Bit Resolution ADC

● 18 - 27MHz Maximum Sampling Rate

● Correlated Double Sampling (CDS)

● Programmable Gain from 6dB to 38dB (PGA)

● Digitally Controlled Analog Offset-Calibration

● CCD Black Level Offset Compensation at Frame Rate

● CDS Clocks Sample Rising Edge or Falling Edge

● Single 5V or 3V Power Supply

● Low Power for Battery Applications:

XRD9855/56: 250/300m W @ VDD = 5.0V

XRD98L55/L56: 120/150mW @ VDD = 3.0V

● 50mA-Typ Current in Stand By Mode

● 3-State Digital Outputs

● ESD Protection to Over 2000V

APPLICATIONS

● Digital Video Camcorders

● Digital Still Cameras

● PC Video Teleconferencing

● Digital Copiers

● Infrared Image Digitizers

● CCD/CIS Imager Interface

● CCTV/Security Camera

● 2D Bar Code Readers

● Industrial Cameras