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H7440HS_datasheet_20170525.pdf

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H7440HS_datasheet,适合搞倒车后视摄像头开发人员,测试人员,市场相关人员评估学习使用。 High Performance 1/4” CMOS Surveillance Sensor - H7440HS Array size: 733H x 493V
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High Performance 1/4” CMOS
Surveillance Sensor - H7440HS
Datasheet

Applications
Security and surveillance cameras
Automotive
Digital still cameras and camcorders
Notebook and desktop PC cameras
Features
Single chip 1/4” Sensor with NTSC and
PAL CVBS output
Support 10 bit digital video output
Outstanding high temperature stability
Superior low light performance
Master/Slave compatible serial camera
control bus (SCCB) control interface for
register programming
Automatic exposure/gain/white balance
Low power consumption
Support mirror control with I/O
Support programmable parking line
Support IR driver control switch
Key Specifications
Optical format:
1/4-inch
Array size:
733H x 493V
Output format:
CVBS(PAL/NTSC), RAW RGB, YUV422,
CCIR601, CCIR656
Shutter type:
Electronic rolling shutter
Pixel size:
5um (H)*5.6um (V)
Power supply:
Analog: 3.0V (nominal)
Core: 1.5V (nominal)
I/O: 1.8V ~ 3.0V (nominal)
Sensitivity:
17V/Lux*s
S/N ratio:
45dB
Dynamic range:
60dB
Power consumption:
65mA@3.0V, CVBS output single power
supply
60uA@standby mode
Dark current:
5mV/s@40℃
Fixed pattern noise:
<0.1%
Lens chief ray angle:
0°
Package dimensions:
42 Ball CSP

Table of contents
1. Product Overview ............................................................................................................ 1
1.1 Architecture ............................................................................................................... 1
1.2 Pin descriptions .......................................................................................................... 2
1.3 Reference design schematic ....................................................................................... 6
2. Electrical Specifications ................................................................................................... 7
2.1 Absolute maximum ratings ........................................................................................ 7
2.2 DC Characteristics ...................................................................................................... 7
2.3 Electro-Optical Characteristics ................................................................................... 8
2.4 AC Characteristics ....................................................................................................... 8
2.5 Timing Characteristics ................................................................................................ 8
2.6 Timing diagrams ......................................................................................................... 9
2.6.1 Composite power on sequence ........................................................................ 9
2.6.2 Composite mode ............................................................................................. 10
2.6.3 Composite video signals ................................................................................. 11
2.6.4 Digital video port ............................................................................................ 11
3. Two_Wire Serial interface Bus ...................................................................................... 12
3.1 Protocol Description ................................................................................................. 12
3.2 Typical Read/Write Operation ................................................................................. 13
3.3 Register Summary .................................................................................................... 14

List of figures
Figure 1.1 H7440HS block diagram ........................................................................................... 2
Figure 1.2 Mechanical Drawing ................................................................................................. 5
Figure 1.3 H7440HS reference schematic 1(Digital) .................................................................. 6
Figure 1.4 H7440HS reference schematic 2(Analog) ................................................................. 6
Figure 2.1 Composite power on sequence ................................................................................ 9
Figure 2.2 NTSC timing diagram .............................................................................................. 10
Figure 2.3 PAL timing diagram ................................................................................................. 10
Figure 2.4 NTSC Composite video signals................................................................................ 11
Figure 2.5 PAL Composite video signals .................................................................................. 11
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