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WM8232 데이터시트 PDF




Wolfson Microelectronics에서 제조한 전자 부품 WM8232은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


PDF 형식의 WM8232 자료 제공

부품번호 WM8232 기능
기능 70MSPS 3-Channel AFE
제조업체 Wolfson Microelectronics
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WM8232 데이터시트, 핀배열, 회로
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WM8232
70MSPS 3-Channel AFE with Sensor Timing Generation and
LVDS/CMOS Data Output
DESCRIPTION
The WM8232 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 35MSPS.
The device has three analogue signal processing channels
each of which contains Reset Level Clamping, Correlated
Double Sampling (also Sample and Hold), Programmable
Gain, Automatic Gain Control (AGC) and Offset adjust
functions.
The output from each of these channels is time multiplexed,
in pairs, into three high-speed 16-bit Analogue to Digital
Converters. The digital data is available in a variety of
output formats via the flexible data port.
The WM8232 has a user selectable LVDS or CMOS output
architecture.
An internal 8-bit DAC is supplied for internal reference level
generation. This may be used during CDS to reference CIS
signals or during Clamping to clamp CCD signals. An
external reference level may also be supplied. ADC
references are generated internally, ensuring optimum
performance from the device.
A programmable automatic Black Level Calibration function
is available to adjust the DC offset of the output data.
The WM8232 features a sensor timing clock generator for
both CCD and CIS sensors. The clock generator can accept
a slow or fast reference clock input and also has a flexible
timing adjustment function for output timing clocks to allow
use of many different sensors.
FEATURES
70MSPS conversion rate
16 bit ADC resolution
Current consumption – 230mA
3.3V single supply operation
Sample and hold /correlated double sampling
Programmable offset adjust (8-bit resolution)
Flexible clamp timing
Pixel clamp / line clamp mode
Programmable clamp voltage
Programmable CIS/CCD timing generator
Internally generated voltage references
Compliant for Spread Spectrum Clock
LVDS/CMOS output options
- LVDS 5pair 490MHz 35-bit data
- CMOS 90MHz output maximum
Complete on chip clock generator. MCLK 5MHz to 35MHz
Internal timing adjustment
Automatic Gain Control
Automatic Black Level Calibration
56-lead QFN package 8mm x 8mm
Serial control interface
APPLICATIONS
Digital Copiers
USB2.0 compatible scanners
Multi-function peripherals
High-speed CCD/CIS sensor interface
WOLFSON MICROELECTRONICS plc
To receive regular email updates, sign up at http://www.wolfsonmicro.com/enews
Product Brief, February 2012, Rev 3.0
Copyright 2012 Wolfson Microelectronics plc.




WM8232 pdf, 반도체, 판매, 대치품
WM8232
PIN CONFIGURATION
Product Brief
ORDERING INFORMATION
DEVICE
TEMPERATURE
RANGE
WM8232GEFL/V
-40 to 85oC
WM8232GEFL/RV
-40 to 85oC
Reel quantity = 2,200
PACKAGE
56-lead QFN
(8X8x0.85mm)
(Pb-free)
56-lead QFN
(8X8x0.85mm)
(Pb-free, tape and reel)
MOISTURE
SENSITIVITY
LEVEL
MSL3
PEAK
SOLDERING
TEMPERATURE
260C
MSL3
260C
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Product Brief, Rev 3.0, February 2012
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WM8232 전자부품, 판매, 대치품
WM8232
Product Brief
ABSOLUTE MAXIMUM RATINGS
Absolute Maximum Ratings are stress ratings only. Permanent damage to the device may be caused by continuously operating at
or beyond these limits. Device functional operating limits and guaranteed performance specifications are given under Electrical
Characteristics at the test conditions specified.
ESD Sensitive Device. This device is manufactured on a CMOS process. It is therefore generically susceptible
to damage from excessive static voltages. Proper ESD precautions must be taken during handling and storage
of this device.
Wolfson tests its package types according to IPC/JEDEC J-STD-020B for Moisture Sensitivity to determine acceptable storage
conditions prior to surface mount assembly. These levels are:
MSL1 = unlimited floor life at <30C / 85% Relative Humidity. Not normally stored in moisture barrier bag.
MSL2 = out of bag storage for 1 year at <30C / 60% Relative Humidity. Supplied in moisture barrier bag.
MSL3 = out of bag storage for 168 hours at <30C / 60% Relative Humidity. Supplied in moisture barrier bag.
The Moisture Sensitivity Level for each package type is specified in Ordering Information.
CONDITION
Analogue supply voltage: AVDD1-2, LDO1VDD-LDO2VDD,
DBVDD
MIN
GND - 0.3V
MAX
GND + 5V
Analogue grounds: AGND1-3, LDO1GND-LDO2VDD, DBGND
GND - 0.3V
GND + 0.3V
Analogue inputs (IN1-6)
GND - 0.3V
AVDD + 0.3V
Other Analogue pins
GND - 0.3V
AVDD + 0.3V
Digital I/O pins
GND - 0.3V
AVDD + 0.3V
Operating temperature range: TA
Storage temperature prior to soldering
-40C
+85C
30C max / 85% RH max
Storage temperature after soldering
-65C
+150C
Notes:
1. GND denotes the voltage of any ground pin.
2. AGND, LDOGND and DBGND pins are intended to be operated at the same potential. Differential voltages
between these pins will degrade performance.
RECOMMENDED OPERATING CONDITIONS
CONDITION
Operating temperature range
Analogue Supply voltage
SYMBOL
MIN
TYP
MAX
UNITS
TA -40
85 C
AVDD1-2
2.97
3.3
3.63
LDO1VDD-
LDO2VDD
DBVDD
V
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Product Brief, Rev 3.0, February 2012
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