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