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WM8198CDS

更新时间： 2024-01-05 16:24:07
品牌 Logo 应用领域
欧胜 - WOLFSON 转换器输出元件
页数 文件大小 规格书
31页 380K
描述
(8 + 8 ) BIT OUTPUT 16 BIT CIS/CCD AFE/DIGITISER

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中文翻译

获取价格

WM8198CDS 技术参数

生命周期：ObsoleteReach Compliance Code：unknown
风险等级：5.84Base Number Matches：1

WM8198CDS 数据手册

 浏览型号WM8198CDS的Datasheet PDF文件第2页浏览型号WM8198CDS的Datasheet PDF文件第3页浏览型号WM8198CDS的Datasheet PDF文件第4页浏览型号WM8198CDS的Datasheet PDF文件第5页浏览型号WM8198CDS的Datasheet PDF文件第6页浏览型号WM8198CDS的Datasheet PDF文件第7页 
WM8198  
w
(8 + 8) Bit Output 16-bit CIS/CCD AFE/Digitiser  
DESCRIPTION  
FEATURES  
•
•
•
•
•
•
•
•
•
•
•
•
•
16-bit ADC  
The WM8198 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 6MSPS.  
6MSPS conversion rate  
Low power – 212mW 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  
Dual Range Programmable Gain Amplifier (9-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 WM8198 typically  
only consumes 195mW 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  
w
CL  
RS VS  
TIMING CONTROL  
WM8198  
VREF/BIAS  
R
8
M
U
X
OFFSET  
DAC  
OEB  
G
B
RINP  
RLC  
RLC  
CDS  
CDS  
+
+
PGA  
9
+
+
M
U
X
I/P SIGNAL  
POLARITY  
ADJUST  
R
G
B
OP[0]  
OP[1]  
M
U
X
OP[2]  
OP[3]  
OP[4]  
OP[5]  
DATA  
I/O  
PORT  
M
U
X
GINP  
BINP  
PGA  
9
ADC  
8
OP[6]  
OFFSET  
DAC  
I/P SIGNAL  
POLARITY  
ADJUST  
OP[7]/SDO  
RLC  
CDS  
PGA  
9
+
+
8
OFFSET  
DAC  
I/P SIGNAL  
POLARITY  
ADJUST  
SEN  
SCK  
CONFIGURABLE  
SERIAL  
CONTROL  
INTERFACE  
SDI  
RLC/ACYC  
RLC  
DAC  
4
DGND  
AGND1  
AGND2  
WOLFSON MICROELECTRONICS plc  
Production Data, June 2004, Rev 4.0  
Copyright 2002 Wolfson Microelectronics plc  
w :: www.wolfsonmicro.com  
1234567...31

中文翻译

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 		(8 + 8 ) BIT OUTPUT 16 BIT CIS/CCD AFE/DIGITISER
WM8198SCDS WOLFSON

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 		(8 + 8 ) BIT OUTPUT 16 BIT CIS/CCD AFE/DIGITISER
WM8198SCDS/R WOLFSON

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 		(8 + 8 ) BIT OUTPUT 16 BIT CIS/CCD AFE/DIGITISER
WM8199 WOLFSON

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 		20MSPS 16-bit CCD Digitiser
WM8199_07 WOLFSON

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 		20MSPS 16-bit CCD Digitiser
WM8199CDR WOLFSON

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 		20MSPS 16-bit CCD Digitiser
WM8199CDS WOLFSON

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 		20MSPS 16-bit CCD Digitiser
WM8199SCDR WOLFSON

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 		20MSPS 16-bit CCD Digitiser
WM8199SCDS WOLFSON

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 		20MSPS 16-bit CCD Digitiser
WM8199SCDS/RV WOLFSON

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 		20MSPS 16-bit CCD Digitiser

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