DESCRIPTION

The WM8150 is a 12-bit analogue front end/digitiser IC which processes and digitises the analogue output signals

from CCD sensors or Contact Image Sensors (CIS) at pixel sample rates of up to 8MSPS.

FEATURES

•12-bit ADC

• 8MSPS conversion rate

• Low power - 170mW typical

• 5V single supply or 5V/3.3V dual supply operation

• Single channel operation

• Correlated double sampling

• Programmable gain (8-bit resolution)

• Programmable offset adjust (8-bit resolution)

•Programmable clamp voltage

• 4-bit wide multiplexed data output format

• Internally generated voltage references

•20-pin SSOP package

•Serial control interface

APPLICATIONS

• Flatbed and sheetfeed scanners

• USB compatible scanners

•Multi-function peripherals

• High-performance CCD sensor interface