
Analog Devices
PRODUCT DESCRIPTION
The AD9814 is a complete analog signal processor for CCD imaging applications. It features a 3-channel architecture designed to sample and condition the outputs of trilinear color CCD arrays. Each channel consists of an input clamp, Correlated Double Sampler (CDS), offset DAC and Programmable Gain Amplifier (PGA), multiplexed to a high performance 14- bit A/D converter.
FEATURES
14-Bit 10 MSPS A/D Converter
No Missing Codes Guaranteed
3-Channel Operation Up to 10 MSPS
1-Channel Operation Up to 7 MSPS
Correlated Double Sampling
1-6x Programmable Gain
±300 mV Programmable Offset
Input Clamp Circuitry
Internal Voltage Reference
Multiplexed Byte-Wide Output (8+6 Format)
3-Wire Serial Digital Interface
+3/+5 V Digital I/O Compatibility
28-Lead SOIC Package
Low Power CMOS: 330 mW (Typ)
Power-Down Mode: <1 mW
APPLICATIONS
Flatbed Document Scanners
Film Scanners
Digital Color Copiers
Multifunction Peripherals