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WM8216 반도체 회로 부품 판매점

60MSPS 10-bit 2-channel CCD Digitiser



Wolfson Microelectronics 로고
Wolfson Microelectronics
WM8216 데이터시트, 핀배열, 회로
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WM8216
60MSPS 10-bit 2-channel CCD Digitiser
DESCRIPTION
FEATURES
The WM8216 is a 10-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 60MSPS.
10-bit ADC
60MSPS conversion rate
Low power – 330mW typical
3.3V single supply operation
The device includes two analogue signal processing
channels each of which contains Reset Level Clamping,
Correlated Double Sampling and Programmable Gain and
Offset adjust functions. The output from each of these
channels is time multiplexed into a single high-speed 10-bit
Analogue to Digital Converter. The digital output data is
available in 10-bit wide parallel format.
Single or dual channel operation
Correlated double sampling
Programmable gain (9-bit resolution)
Programmable offset adjust (8-bit resolution)
Flexible clamp timing
Programmable clamp voltage
An internal 4-bit DAC is supplied for internal reference level
generation. This may be used during CDS to reference CIS
Internally generated voltage references
32-lead QFN package
signals or during Clamping to clamp CCD signals. An
Serial control interface
external reference level may also be supplied. ADC
references are generated internally, ensuring optimum
APPLICATIONS
performance from the device.
Using an analogue supply voltage of 3.3V and a digital
interface supply of 3.3V, the WM8216 typically only
consumes 330mW
Digital Copiers
USB2.0 compatible scanners
Multi-function peripherals
High-speed CCD/CIS sensor interface
www.DataSheet4U.com
BLOCK DIAGRAM
WOLFSON MICROELECTRONICS plc
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Production Data, March 2007, Rev 4.0
Copyright ©2007 Wolfson Microelectronics plc.


WM8216 데이터시트, 핀배열, 회로
WM8216
TABLE OF CONTENTS
Production Data
DESCRIPTION .......................................................................................................1
FEATURES.............................................................................................................1
APPLICATIONS .....................................................................................................1
BLOCK DIAGRAM .................................................................................................1
TABLE OF CONTENTS .........................................................................................2
PIN CONFIGURATION...........................................................................................3
ORDERING INFORMATION ..................................................................................3
PIN DESCRIPTION ................................................................................................4
ABSOLUTE MAXIMUM RATINGS.........................................................................5
RECOMMENDED OPERATING CONDITIONS .....................................................5
THERMAL PERFORMANCE .................................................................................5
ELECTRICAL CHARACTERISTICS ......................................................................6
INPUT VIDEO SAMPLING ............................................................................................ 8
SERIAL INTERFACE................................................................................................... 10
INTERNAL POWER ON RESET CIRCUIT ..........................................................10
DEVICE DESCRIPTION.......................................................................................12
INTRODUCTION ......................................................................................................... 12
INPUT SAMPLING ...................................................................................................... 12
RESET LEVEL CLAMPING (RLC)............................................................................... 12
CDS/NON-CDS PROCESSING................................................................................... 15
OFFSET ADJUST AND PROGRAMMABLE GAIN ...................................................... 15
ADC INPUT BLACK LEVEL ADJUST.......................................................................... 16
OVERALL SIGNAL FLOW SUMMARY........................................................................ 17
CALCULATING THE OUTPUT CODE FOR A GIVEN INPUT ..................................... 18
REFERENCES ............................................................................................................ 19
POWER MANAGEMENT ............................................................................................ 19
CONTROL INTERFACE.............................................................................................. 19
NORMAL OPERATING MODES ................................................................................. 20
DEVICE CONFIGURATION .................................................................................21
REGISTER MAP ......................................................................................................... 21
REGISTER MAP DESCRIPTION ................................................................................ 22
APPLICATIONS INFORMATION .........................................................................25
RECOMMENDED EXTERNAL COMPONENTS .......................................................... 25
RECOMMENDED EXTERNAL COMPONENT VALUES ............................................. 25
PACKAGE DIMENSIONS ....................................................................................26
IMPORTANT NOTICE ..........................................................................................27
ADDRESS: .................................................................................................................. 27
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PD Rev 4.0 March 2007
2




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