Datasheet > WM8232

WM8232

更新时间： 2024-02-24 01:48:34

品牌	Logo	应用领域
欧胜 - WOLFSON		传感器
页数	文件大小	规格书
15页	270K
描述
70MSPS 3-Channel AFE with Sensor Timing Generation and LVDS/CMOS Data Output

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WM8232 技术参数

生命周期：	Transferred	Reach Compliance Code：	unknown
风险等级：	5.59	Base Number Matches：	1

WM8232 数据手册

WM8232

70MSPS 3-Channel AFE with Sensor Timing Generation and

LVDS/CMOS Data Output

DESCRIPTION

FEATURES



70MSPS conversion rate

The WM8232 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 35MSPS.

16 bit ADC resolution

Current consumption – 230mA

3.3V single supply operation

The device has three analogue signal processing channels

each of which contains Reset Level Clamping, Correlated

Double Sampling (also Sample and Hold), Programmable

Gain, Automatic Gain Control (AGC) and Offset adjust

functions.

Sample and hold /correlated double sampling

Programmable offset adjust (8-bit resolution)

Flexible clamp timing

Pixel clamp / line clamp mode

Programmable clamp voltage

The output from each of these channels is time multiplexed,

in pairs, into three high-speed 16-bit Analogue to Digital

Converters. The digital data is available in a variety of

output formats via the flexible data port.

Programmable CIS/CCD timing generator

Internally generated voltage references

Compliant for Spread Spectrum Clock

LVDS/CMOS output options

The WM8232 has a user selectable LVDS or CMOS output

architecture.

LVDS 5pair 490MHz 35-bit data

CMOS 90MHz output maximum

An internal 8-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.



Complete on chip clock generator. MCLK 5MHz to 35MHz

Internal timing adjustment

Automatic Gain Control

Automatic Black Level Calibration

56-lead QFN package 8mm x 8mm

Serial control interface

A programmable automatic Black Level Calibration function

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

The WM8232 features a sensor timing clock generator for

both CCD and CIS sensors. The clock generator can accept

a slow or fast reference clock input and also has a flexible

timing adjustment function for output timing clocks to allow

use of many different sensors.

APPLICATIONS



Digital Copiers

USB2.0 compatible scanners

Multi-function peripherals

High-speed CCD/CIS sensor interface

WOLFSON MICROELECTRONICS plc

Product Brief, February 2012, Rev 3.0

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

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与WM8232相关器件

型号	品牌	获取价格	描述	数据表
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)
WM8234	WOLFSON	获取价格	70MSPS 6-Channel AFE with Sensor Timing Generation and LVDS/CMOS Data Output
WM8234	CIRRUS	获取价格	6 通道高速 CCD/CIS 模数转换器 (ADC)
WM8235	WOLFSON	获取价格	70MSPS 9-Channel AFE with Sensor Timing Generation and LVDS/CMOS Data Output
WM8235	CIRRUS	获取价格	9 通道高速 CCD/CIS 模数转换器 (ADC)
WM8235GEFL/V	CIRRUS	获取价格	Analog Circuit, 1 Func, CMOS, PQCC56, QFN-56
WM8253	WOLFSON	获取价格	Single Channel 16-bit CIS/CCD AFE with 4-bit Wide Output

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