Datasheet > WM8196_07

WM8196_07

更新时间： 2024-09-27 03:54:39

品牌	Logo	应用领域
欧胜 - WOLFSON		转换器
页数	文件大小	规格书
32页	364K
描述
(8 + 8) Bit Output 16-bit CIS/CCD AFE/Digitiser

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中文翻译

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WM8196_07 数据手册

WM8196

(8 + 8) Bit Output 16-bit CIS/CCD AFE/Digitiser

DESCRIPTION

FEATURES

•

16-bit ADC

The WM8196 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 12MSPS.

12MSPS conversion rate

Low power – 320mW typical

5V single supply or 5V/3.3V dual supply operation

Single or 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. Three multiplexers allow single

channel processing. The output from each of these

channels is time multiplexed into a single high-speed 16-bit

Analogue to Digital Converter. The digital output data is

available in 8 or 4-bit wide multiplexed format.

Correlated double sampling

Programmable gain (8-bit resolution)

Programmable offset adjust (8-bit resolution)

Programmable clamp voltage

8 or 4-bit wide multiplexed data output formats

Internally generated voltage references

28-lead SSOP 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 Reset Level 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

APPLICATIONS

•

Flatbed and sheetfeed scanners

USB compatible scanners

Using an analogue supply voltage of 5V and a digital

interface supply of either 5V or 3.3V, the WM8196 typically

only consumes 300mW when operating from a single

5V supply.

Multi-function peripherals

High-performance CCD sensor interface

BLOCK DIAGRAM

VRLC/VBIAS

VSMP MCLK

AVDD DVDD1 DVDD2

VRT VRX VRB

R_SV_S

TIMING CONTROL

WM8196

VREF/BIAS

OFFSET

DAC

OEB

RINP

RLC

CDS

PGA

I/P SIGNAL

POLARITY

ADJUST

OP[0]

OP[1]

OP[2]

OP[3]

OP[4]

OP[5]

DATA

I/O

PORT

16-

BIT

ADC

GINP

BINP

PGA

OP[6]

OP[7]/SDO

OFFSET

DAC

I/P SIGNAL

POLARITY

ADJUST

RLC

CDS

PGA

OFFSET

DAC

I/P SIGNAL

POLARITY

ADJUST

SEN

SCK

CONFIGURABLE

SERIAL

CONTROL

INTERFACE

SDI

RLC/ACYC

RLC

DAC

AGND1

AGND2

DGND

Production Data, March 2007, Rev 4.3

WOLFSON MICROELECTRONICS plc

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

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中文翻译

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与WM8196_07相关器件

型号	品牌	获取价格	描述	数据表
WM8196SCDS	WOLFSON	获取价格	(8 + 8) Bit Output 16-bit CIS/CCD AFE/Digitiser
WM8196SCDS/R	WOLFSON	获取价格	(8 + 8) Bit Output 16-bit CIS/CCD AFE/Digitiser
WM8196SCDS/RV	CIRRUS	获取价格	Analog Circuit, 1 Func, CMOS, PDSO28, SSOP-28
WM8196SCDS/V	CIRRUS	获取价格	Analog Circuit, 1 Func, CMOS, PDSO28, SSOP-28
WM8198	WOLFSON	获取价格	(8 + 8 ) BIT OUTPUT 16 BIT CIS/CCD AFE/DIGITISER
WM8198CDS	WOLFSON	获取价格	(8 + 8 ) BIT OUTPUT 16 BIT CIS/CCD AFE/DIGITISER
WM8198CDS/R	WOLFSON	获取价格	(8 + 8 ) BIT OUTPUT 16 BIT CIS/CCD AFE/DIGITISER
WM8198SCDS	WOLFSON	获取价格	(8 + 8 ) BIT OUTPUT 16 BIT CIS/CCD AFE/DIGITISER
WM8198SCDS/R	WOLFSON	获取价格	(8 + 8 ) BIT OUTPUT 16 BIT CIS/CCD AFE/DIGITISER
WM8199	WOLFSON	获取价格	20MSPS 16-bit CCD Digitiser

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