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WM8196SCDS/V

更新时间： 2024-09-27 15:57:59
品牌 Logo 应用领域
凌云 - CIRRUS 光电二极管
页数 文件大小 规格书
32页 461K
描述
Analog Circuit, 1 Func, CMOS, PDSO28, SSOP-28

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中文翻译

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WM8196SCDS/V 技术参数

是否Rohs认证： 符合生命周期：Active
包装说明：SSOP,Reach Compliance Code：compliant
HTS代码：8542.39.00.01风险等级：5.58
模拟集成电路 - 其他类型：ANALOG CIRCUITJESD-30 代码：R-PDSO-G28
长度：10.2 mm功能数量：1
端子数量：28最高工作温度：70 °C
最低工作温度：封装主体材料：PLASTIC/EPOXY
封装代码：SSOP封装形状：RECTANGULAR
封装形式：SMALL OUTLINE, SHRINK PITCH座面最大高度：2 mm
最大供电电压 (Vsup)：5.25 V最小供电电压 (Vsup)：4.75 V
标称供电电压 (Vsup)：5 V表面贴装：YES
技术：CMOS温度等级：COMMERCIAL
端子形式：GULL WING端子节距：0.65 mm
端子位置：DUAL宽度：5.3 mm
Base Number Matches：1

WM8196SCDS/V 数据手册

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WM8196  
w
(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  
w
CL  
RS VS  
TIMING CONTROL  
WM8196  
VREF/BIAS  
R
8
M
U
X
OFFSET  
DAC  
OEB  
G
B
RINP  
RLC  
RLC  
CDS  
CDS  
PGA  
+
+
+
+
M
U
X
I/P SIGNAL  
POLARITY  
ADJUST  
R
G
B
8
OP[0]  
OP[1]  
M
U
X
OP[2]  
OP[3]  
OP[4]  
OP[5]  
DATA  
I/O  
PORT  
16-  
BIT  
ADC  
M
U
X
GINP  
BINP  
PGA  
8
OP[6]  
OP[7]/SDO  
OFFSET  
DAC  
8
I/P SIGNAL  
POLARITY  
ADJUST  
RLC  
CDS  
PGA  
+
+
8
OFFSET  
DAC  
8
I/P SIGNAL  
POLARITY  
ADJUST  
SEN  
SCK  
CONFIGURABLE  
SERIAL  
CONTROL  
INTERFACE  
SDI  
RLC/ACYC  
RLC  
DAC  
4
AGND1  
AGND2  
DGND  
Production Data, October 2008, Rev 4.6  
WOLFSON MICROELECTRONICS plc  
Copyright ©2008 Wolfson Microelectronics plc  
To receive regular email updates, sign up at http://www.wolfsonmicro.com/enews/  
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