
Exar Corporation
GENERAL DESCRIPTION
The XRD98L63 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), 10-bit Programmable Gain Amplifier (PGA) with pixel rate gain switching, 12- bit Analog-to-Digital Converter (ADC) and improved digitally controlled black level auto-calibration circuitry with programmable pixel averaging, hot pixel clipping, and a Digital Noise Suppression (DNS) filter.
FEATURES
• 12-bit Resolution ADC, 30MHz Sampling Rate
• 10-bit Programmable Gain: 6dB to 36dB PGA
• Pixel-by-pixel gain switching
• Digitally Controlled Black Level Calibration with Pixel Averager and Hot Pixel Clipper
• DNS Filter Removes Black Level Digital Noise
• Programmable Black Level, up to code 255
• Black Level Calibration Range: 300 mV
• Programmable Aperture Delays
1.0 ns/step for SBLK & SPIX
0.5 ns/step for ADCLK
• Manual Control of Offset DACs via Serial Port for use with High-speed Scanners
• Single 2.7V to 3.6V Power Supply
• Optimize power with external resistor to 100mW
• Low Power for Battery Operation
• 100µA Stand-by Mode Current
• Three-state Digital Outputs
• 3,000V ESD Protection
• 48-pin TQFP Package
APPLICATIONS
• Mega pixel Digital Still Cameras
• Digital Camcorders
• 3 CCD Professional/Broadcast Camera
• Line Scan Cameras
• PC Video Cameras
• CCTV/Security Cameras
• Industrial/Medical Cameras
• 2D Bar Code Readers
• High Speed Scanners
• Digital Copiers