Description
The WM8255 is a 16-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 12 MSPS.
Features
- 16-bit ADC.
- 12 MSPS conversion rate.
- Low power.
- 250 mW typical.
- 5.75V and 3.3V supply operation.
- Single channel operation.
- Correlated double sampling.
- Programmable gain (8-bit resolution).
- Programmable offset adjust (8-bit resolution).
- Programmable clamp voltage.
- RGB LED current drive using current and PWM.
- 2-bit or 4-bit wide multiplexed data output format.
- Internally generated voltage references.
- 28-lead QFN package.
WM8255-Wolfson.pdf
