Part # AD9822 datasheet

Part Manufacturer: Analog Devices

Analog Devices

Part Description: AD9822 Complete 14-Bit CCD/CIS Signal Processor Data Sheet (REV. B)

Part Details:

Complete 14-Bit CCD/CIS Signal Processor AD9822 FEATURES GENERAL DESCRIPTION 14-bit 15 MSPS ADC The AD9822 is a complete analog signal processor for CCD No missing codes guaranteed imaging applications. It features a 3-channel architecture designed 3-channel operation up to 15 MSPS to sample and condition the outputs of trilinear color CCD 1-channel operation up to 12.5 MSPS arrays. Each channel consists of an input clamp, correlated double Correlated double sampling sampler (CDS), offset DAC, and programmable gain amplifier 1­6× programmable gain (PGA) multiplexed to a high performance 14-bit ADC. ±350 mV programmable offset The CDS amplifiers may be disabled for use with sensors such Input clamp circuitry as contact image sensors (CIS) and CMOS active pixel sensors, Internal voltage reference which do not require CDS. Multiplexed byte-wide output (8 + 6 format) 3-wire serial digital interface The 14-bit digital output is multiplexed into an 8-bit output 3 V/5 V digital I/O compatibility word that is accessed using two read cycles. The internal 28-Lead SOIC or SSOP registers are programmed through a 3-wire serial interface and Low power CMOS: 385 mW (typ) provide adjustment of the gain, offset, and operating mode. Power-down mode: <1 mW The AD9822 operates from a single 5 V power supply, APPLICATIONS consumes 385 mW of power typically, and is packaged in a Flatbed document scanners 28-lead SOIC or SSOP. Film scanners Digital color copiers Multifunction peripherals FUNCTIONAL BLOCK DIAGRAM AVDD AVSS CML CAPT CAPB AVDD AVSS DRVDD DRVSS AD9822 VINR CDS PGA

Please click the following link to download the datasheet:

AD9822.pdf Datasheet