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PDF ICM532B Data sheet ( Hoja de datos )
| Número de pieza | ICM532B | |
| Descripción | CIF Color CMOS Sensor with USB Output | |
| Fabricantes | ETC | |
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ICM532B CIF Color CMOS Sensor with USB Output
Data Sheet, V 1.1 November, 2002
ICM532B
CIF Color CMOS Image Sensor
With USB Output
Data Sheet
V1.1
November, 2002
IC Media Corporation
545 East Brokaw Road
San Jose, CA 95112, U.S.A.
Phone: (408) 451-8838
Fax: (408) 451-8839
Email: [email protected]
Web Site: www.ic-media.com
IC Media Technology Corporation
6F, No. 61, ChowTze Street., NeiHu District
Taipei, Taiwan, R.O.C.
Phone: 886-2-2657-7898
Fax: 886-2-2657-8751
Email: [email protected]
Web Site: www.ic-media.com.tw
Important notice: This document contains information on a new product. IC Media Corp reserves the right to
make any changes without further notice to any product herein to improve design, function or quality and
reliability. No responsibility is assumed by IC Media Corp for its use, nor for any infringements of patents of
third parties, which may result from its use.
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©2000, 2001,2002 IC Media Corporation & IC Media Technology Corp
11/21/2002
page 1
Company Confidential
1 page  
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ICM532B CIF Color CMOS Sensor with USB Output
Data Sheet, V 1.1 November, 2002
removed, to generate a high quality image.
1/7”
lens
ICM-102B
CIF Image
Sensor
5X Proprietary
Compression
Line Buffer
USB
USB Enabled
Computer
Figure 1. Block Diagram
2.1. Image Array
The image array consists of 352x288 pixels. Each pixel has a light sensitive photo diode and a set of
control and transfer transistors. At the beginning of the cycle, a row of pixels is pre-charged to its
maximum value. Then they are exposed to light for several lines worth of time and sampled by the
ADC. Correlated double sampling (CDS) is performed by subtracting the reset value (sampled right
before sampling the signal) from the signal value. The purpose of CDS is to eliminate the point-wise
fixed pattern noise (FPN). The output of CDS is approximately proportional to the amount of received
light, ranging from 0 to 255.
2.2. Color Filter
Each pixel is covered by a color filter. They form the Bayer Pattern as shown in Figure 2. (Row 0,
Column 0) is covered by a Red filter, (Row 0, Column 1) and (Row 1, Column 0) by Green filters, and
(Row 1, Column 1) by a Blue filter. Since each pixel only gets part of the frequency band, the data
needs further processing (i.e., color interpolation and color correction) in order to approximate the full
visible spectrum.
RGRGRGRG
GBGBGBGB
RGRGRGRG
GBGBGBGB
Figure 2. Color filter Bayer pattern
2.3. Exposure and Gain Control
www.DataTShhe bereigth4tnUes.scoofmthe scene may change by a great amount that renders the captured image either
©2000, 2001,2002 IC Media Corporation & IC Media Technology Corp
11/21/2002
page 5
Company Confidential
5 Page 
www.DataSheet4U.com
ICM532B CIF Color CMOS Sensor with USB Output
Data Sheet, V 1.1 November, 2002
1. Absolute Maximum Ratings
Symbol
VCCA
VINA
VOUTA
TSTG
Parameter
Absolute
Power Supply
Absolute Input
Voltage
Absolute
Output Voltage
Storage
Temperature
Minimum
-0.3
-0.3
-0.3
0
Rating
Typical
25
Maximum
3.8
VCC + 0.3
VCC + 0.3
65
Units
V
V
V
°C
2. Recommended Operating Conditions
Symbol
VCC
VIN
TOPR
Parameter
Operating
Power Supply
Operating
Input Voltage
Operating
Temperature
Minimum
3.0
0
0
Rating
Typical
3.3
25
Maximum
3.6
VCC
55
Units
V
V
°C
3. General DC Characteristics
Symbol
Parameter Minimum
Rating
Typical
Maximum Units
IDD Operating
Current @
VCC=3.3 V, 25
°C
IDDS
Suspend
Current @
VCC=3.3 V, 25
°C
IIL
Input Low
Current
IIH Input High
Current
IOZ
Tri-state
Leakage
Current
CIN
Input
Capacitance
www.DataCSOhUeT et4U.comOutput
Capacitance
-1
-1
-10
40
3
3
mA
500 uA
1 µA
1 µA
10 µA
pF
pF
©2000, 2001,2002 IC Media Corporation & IC Media Technology Corp
11/21/2002
page 11
Company Confidential
11 Page | ||
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| PDF Descargar | [ Datasheet ICM532B.PDF ] | |
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