Datasheet > WM8215

WM8215

更新时间： 2024-09-28 11:59:15

品牌	Logo	应用领域
欧胜 - WOLFSON		转换器
页数	文件大小	规格书
31页	620K
描述
60MSPS 10-bit 3-Channel CCD Digitiser

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WM8215 数据手册

WM8215

60MSPS 10-bit 3-Channel CCD Digitiser

DESCRIPTION

FEATURES



10-bit ADC

The WM8215 is a 10-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 60MSPS.

60MSPS conversion rate

Low power – 400mW typical

3.3V single supply operation

3 channel operation

The device includes three analogue signal processing

channels each of which contains Reset Level Clamping,

Correlated Double Sampling and Programmable Gain and

Offset adjust functions. The output from each of these

channels is time multiplexed into a single high-speed 10-bit

Analogue to Digital Converter. The digital output data is

available in 10-bit wide parallel format.

Correlated double sampling

Programmable gain (9-bit resolution)

Programmable offset adjust (8-bit resolution)

Flexible clamp timing

Programmable clamp voltage

Internally generated voltage references

32-lead QFN package

An internal 4-bit DAC is supplied for internal reference level

generation. This may be used to reference CIS signals, in

non-CDS mode or to clamp CCD signals during Reset Level

Clamping. An external reference level may also be supplied.

ADC references are generated internally, ensuring optimum

performance from the device.

Serial control interface

APPLICATIONS



Digital Copiers

Using an analogue supply voltage of 3.3V and a digital

interface supply of 3.3V, the WM8215 typically only

consumes 400mW.

USB2.0 compatible scanners

Multi-function peripherals

High-speed CCD/CIS sensor interface

BLOCK DIAGRAM

WOLFSON MICROELECTRONICS plc

Production Data, September 2012, Rev 4.3

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