Datasheet > WM8199SCDR

WM8199SCDR

更新时间： 2024-01-31 01:42:56

品牌	Logo	应用领域
欧胜 - WOLFSON		转换器
页数	文件大小	规格书
30页	360K
描述
20MSPS 16-bit CCD Digitiser

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中文翻译

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技术参数
数据手册

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WM8199SCDR 技术参数

是否Rohs认证：	符合	生命周期：	Active
包装说明：	SSOP-28	Reach Compliance Code：	compliant
HTS代码：	8542.39.00.01	风险等级：	2.36
Samacsys Description：	Analog Front End - AFE 16-Bit 20MSPS 3-Channel AFE

WM8199SCDR 数据手册

WM8199

20MSPS 16-bit CCD Digitiser

DESCRIPTION

FEATURES

•

16-bit ADC

The WM8199 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 20MSPS.

20MSPS conversion rate

30MSPS conversion rate at 8-bits

Low power – 358mW typical

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.

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

Single or 3 channel operation

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-pin 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 WM8199 typically

only consumes 358mW 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

WM8199

R_SV_S

TIMING CONTROL

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

WOLFSON MICROELECTRONICS plc

Production Data, November 2003, Rev 3.2

w :: www.wolfsonmicro.com

12 3 4 5 6 7...30

中文翻译

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与WM8199SCDR相关器件

型号	品牌	获取价格	描述	数据表
WM8199SCDS	WOLFSON	获取价格	20MSPS 16-bit CCD Digitiser
WM8199SCDS/RV	WOLFSON	获取价格	20MSPS 16-bit CCD Digitiser
WM8199SCDS/V	WOLFSON	获取价格	20MSPS 16-bit CCD Digitiser
WM8200	WOLFSON	获取价格	40MSPS ADC with PGA
WM8200-10	WOLFSON	获取价格	40MSPS ADC with PGA
WM8200-10IFL	WOLFSON	获取价格	40MSPS ADC with PGA
WM8200-12	WOLFSON	获取价格	40MSPS ADC with PGA
WM8200-12IFL	WOLFSON	获取价格	40MSPS ADC with PGA
WM8213	WOLFSON	获取价格	24MSPS 16-bit CCD Digitiser
WM8213_08	WOLFSON	获取价格	24MSPS 16-bit CCD Digitiser

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