Description
WM8214 40MSPS 16-bit CCD Digitiser .
The WM8214 is a 16-bit analogue front end/digitiser IC which processes and digitises the analogue output signals from CCD sensors or Contact Image Sen.
Features
* 16-bit ADC
* 40MSPS conversion rate
* Low power
* 390mW typical
* 3.3V single supply operation
* Single, 2 or 3 channel operation
* Correlated double sampling
* Programmable gain (9-bit resolution)
* Programmable offset adjust (8-bit resolution)
* Flexib
Applications
* High speed USB2.0 compatible scanners
* Multi-function peripherals
* High-performance CCD sensor interface
* Digital Copiers
VRLC/VBIAS
RSMP VSMP
MCLK
AVDD DVDD1 DVDD2
VRT VRX VRB
RINP GINP BINP
CLMP RS VS RLC RLC
TIMING CONTROL
WM8214
CDS
RM GU
X B
8
OFFSET DAC
+ PGA