W6662CF
DESCRIPTION
The W6662 is a highly integrated CCD/CIS analog front end signal processor. It provides the ponents required for all necessary front-end signal process of a CCD/CIS scanner, including a 3channel input clamp circuit for correlated double sampling (short as CDS) mode, a multiplexer to mux 3-channel inputs to a correlated double sampling (CDS) circuit, a programmable offset adjusted and gain controlled amplifier, a 12-bit analog-to-digital converter. CDS or S&H (sample and hold) of operation modes can be chosen. The device configuration is programmed via 3-wire or 4-wired interface, operation modes, offset and gain value of each channel can be programmed.
2. FEATURES
- 12-bit A/D Converter
- No Missing Code Guaranteed
- Three channels analog input with clamp circuit individually
- Integrated Correlated Double Sampler (CDS)
- Supports Contact Image Sensors (CIS)
- Accept CCD/CIS sensor with three channel or single channel analog out
- External offset voltage input for CIS...
