HT82V42 - Holtek Semiconductor

HT82V42 CIS Analog Signal Processor

The HT82V42 is a complete analog signal processor for CCD imaging applications. It features a 1-channel architecture designed to sample and condition the outputs of tri-linear color CCD arrays. The channel consists of an input clamp, Correlated Double Sampler (CDS), offset DAC and Programmable Gain Amplifier (PGA) and a high performance 16-bit A/D converter..

Features

· 3.3V single power supply
· Low power consumption: 188mW (Typ.)
· Power-down mode: 300uA (Typ.)
· 16-bit 15 MSPS A/D converter
· Guaranteed won¢t miss codes
· 8-bit programmable gain
· Correlated Double Sampling
· ±315mV 8-bit programmable offset
· Programmable clamp voltage
· Internal voltage reference
· Programmable 4-wire serial interface
· 4-bit multiplexed nibble mode
· 20-pin SSOP/TSSOP package Applications
· Flatbed document scanners
· Film scanners
· Digital color copiers
· Multifunction peripherals General Description The HT82V42 is a complete analog signal processor for CCD imagin.