WM8141 Datasheet - Wolfson Microelectronics plc

WM8141, 12-bit 6MSPS CIS/CCD Analogue Front End/Digitiser

WM8141 12-bit 6MSPS CIS/CCD Analogue Front End/Digitiser Production Data, October 2000, Rev 3.0 .
The WM8141 is a 12-bit analogue front end/digitiser that processes and digitises the analogue output signals from CCDs or Contact Image Sensors (CIS).

Features

* 12-bit resolution ADC
* 6MSPS conversion rate at 5V supply
* 5V or 3.3V single supply or 5V/3.3V dual supply operation
* Single or 3 channel operation
* Correlated double sampling
* Programmable gain (8-bit resolution)
* Programmable offset a

Applications

* Flatbed and sheetfeed scanners
* USB compatible scanners
* Multi-function peripherals
* CCD sensor interface
* Contact image sensor (CIS) interface BLOCK DIAGRAM VRLC/VBIAS (18) VSMP MCLK (27) (28) AVDD DVDD1 DVDD2 (12) (14) (32) VRT VRX VRB (16) (17) (1

WM8141_WolfsonMicroelectronicsplc.pdf