Datasheet > WM8224

WM8224

更新时间： 2024-02-29 15:23:29

品牌	Logo	应用领域
欧胜 - WOLFSON		/
页数	文件大小	规格书
50页	893K
描述
60MSPS 3-Channel AFE with Multiple Device Operation and Programmable Automatic Black Level Calibration

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WM8224 技术参数

生命周期：	Transferred	Reach Compliance Code：	unknown
风险等级：	5.58	Base Number Matches：	1

WM8224 数据手册

WM8224

60MSPS 3-Channel AFE with Multiple Device Operation

and Programmable Automatic Black Level Calibration

DESCRIPTION

FEATURES



12 or 16-bit ADC, 40MSPS conversion rate

The WM8224 is an 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.

8 or 10-bit ADC, 60MSPS conversion rate

Low power – 360 mW typical

3.3V single supply 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 16-bit

Analogue to Digital Converter. The digital data is available in

a variety of output formats via the flexible data port.

3 channel operation

Daisy Chain feature for multiple device use

Correlated double sampling

Programmable gain (9-bit resolution)

Programmable offset adjust (8-bit resolution)

Flexible clamp timing

Programmable clamp voltage

Internally generated voltage references

Automatic Black Level Calibration

32-lead QFN package

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

generation. This may be used during CDS to reference CIS

signals or during Clamping to clamp CCD signals. An

external reference level may also be supplied. ADC

references are generated internally, ensuring optimum

performance from the device.

Serial control interface

A programmable automatic Black-Level Calibration function

is available to adjust the DC offset of the output data. A

daisy chain feature allows multiple devices to operate

together using the same control interface and output data

bus.

APPLICATIONS



Digital Copiers

USB2.0 compatible scanners

Multi-function peripherals

High-speed CCD/CIS sensor interface

BLOCK DIAGRAM

WOLFSON MICROELECTRONICS plc

Production Data, June 2012, Rev 4.1

To receive regular email updates, sign up at http://www.wolfsonmicro.com/enews

12 3 4 5 6 7...50

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与WM8224相关器件

型号	品牌	获取价格	描述	数据表
WM8224CSEFL	WOLFSON	获取价格	60MSPS 3-Channel AFE with Multiple Device Operation and Programmable Automatic Black Level
WM8224CSEFL/R	WOLFSON	获取价格	60MSPS 3-Channel AFE with Multiple Device Operation and Programmable Automatic Black Level
WM8224SEFL	CIRRUS	获取价格	Analog Circuit, 1 Func, CMOS, PQCC32, 5 X 5 MM, 0.90 MM HEIGHT, 0.50 MM PITCH, LEAD FREE,
WM8224SEFL/R	CIRRUS	获取价格	Analog Circuit, 1 Func, CMOS, PQCC32, 5 X 5 MM, 0.90 MM HEIGHT, 0.50 MM PITCH, LEAD FREE,
WM8231	CIRRUS	获取价格	3 通道高速 CCD/CIS 模数转换器 (ADC)
WM8232	WOLFSON	获取价格	70MSPS 3-Channel AFE with Sensor Timing Generation and LVDS/CMOS Data Output
WM8232GEFL/RV	CIRRUS	获取价格	Analog Circuit, 1 Func, CMOS, PQCC56, QFN-56
WM8232GEFL/V	CIRRUS	获取价格	Analog Circuit, 1 Func, CMOS, PQCC56, QFN-56
WM8233	WOLFSON	获取价格	70MSPS 6-Channel AFE with Sensor Timing Generation and LVDS/CMOS Data Output
WM8233	CIRRUS	获取价格	6 通道高速 CCD/CIS 模数转换器 (ADC)

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