
Exar Corporation
GENERAL DESCRIPTION
The XRD9825 is a complete linear CIS or CCD sensor signal processor on a single monolithic chip. The XRD9825 includes a high speed 16-bit resolution ADC, a 6-bit Programmable Gain Amplifier with gain adjustment of 1 to 10, and 8-bit programmable input referred offset calibration range of 800mV.
FEATURES
▪ 16-Bit Resolution
▪ One-channel 12MSPS Pixel Rate
▪ Triple-channel 4MSPS Pixel Rate
▪ 6-Bit Programmable Gain Amplifier
▪ 8-Bit Programmable Offset Adjustment
▪ CIS or CCD Compatibility
▪ Internal Clamp for CIS or CCD AC Coupled Configurations
▪ No Missing Codes at 10MHz ADC Clock
▪ 3.3V or 5V Operation & I/O Compatibility
▪ Serial Load Control Registers
▪ Low Power CMOS: 200mW-typ
▪ Low Cost 20-Lead Packages
▪ USB Compliant
APPLICATIONS
▪ Color and Grayscale Flatbed Scanners
▪ Color and Grayscale Sheetfed Scanners
▪ Multifunction Peripherals
▪ Digital Color Copiers
▪ General Purpose CIS or CCD Imaging
▪ Low Cost Data Acquisition
▪ Simple and Direct Interface to Canon 600 DPI Sensors