GENERAL DESCRIPTION

The XRD9859 is a complete low power CCD Image Digitizer for digital, motion and still cameras. The product includes a high bandwidth differential Correlated Double Sampler (CDS), 8-bit digitally Programmable Gain Amplifier (PGA), 10-bit Analog-to-Digital Converter (ADC) and improved digitally controlled black level auto-calibration circuitry with pixel averager hot pixel clipper, and a DNS filter.

FEATURES

• 10-bit Resolution ADC

• 20MHz Sampling Rate

• Programmable Gain: 6dB to 38dB PGA (2x to 80x)

• Improved Digitally Controlled Offset-Calibration with Pixel Averager and Hot Pixel Clipper

• DNS Filter Removes Black Level Digital Noise

• Widest Black Level Calibration Range at Maximum Gain

• Manual Control of Offset DAC via Serial Port for Use with High Speed Scanners

• 2ns/step Programmable Aperture Delay on SPIX and SBLK

• Single 5V ± 10 or 3V ± 10 Power Supply

• Low Power for Battery Operation

XRD9859: 250mW @ VDD =5.0V

XRD98L59: 120mW @ VDD=3.0V

• 10µA Typical Stand By Mode Current

• Three-State Digital Outputs

• 2,000V ESD Protection

• 28-pin SSOP Package

APPLICATIONS

• Digital Still Cameras

• Digital Camcorders

• PC Video Cameras

• CCTV/Security Cameras

• Industrial/Medical Cameras

• 2D Bar Code Readers

• High Speed Scanners

• Digital Copiers