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OV7640 Datasheet

  • OV7640

  • OV7640 Color CMOS VGA (640 x 480) CAMERACHIP OV7141 B&W CMOS...

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O
mni
General Description
ision
TM
Advanced Information
Preliminary Datasheet
OV7640 Color CMOS VGA (640 x 480) C
AMERA
C
HIPTM
OV7141 B&W CMOS VGA (640 x 480) C
AMERA
C
HIPTM
Applications
鈥?/div>
鈥?/div>
鈥?/div>
Cellular and Picture Phones
Toys
PC Multimedia
The OV7640 (color) and OV7141 (black and white)
C
AMERA
C
HIPSTM
are low voltage CMOS image sensors
that provide the full functionality of a single-chip VGA
(640 x 480) camera and image processor in a small
footprint package. The OV7640/OV7141 provides
full-frame, sub-sampled or windowed 8-bit images in a
wide range of formats, controlled through OmniVision鈥檚
Serial Camera Control Bus (SCCB) interface.
This product family has an image array capable of
operating at up to 30 frames per second (fps) with
complete user control over image quality, formatting and
output data transfer. All required image processing
functions, including exposure control, gamma, white
balance, color saturation, hue control and more, are also
programmable through the SCCB interface. In addition,
OmniVision C
AMERA
C
HIP
s use proprietary sensor
technology to improve image quality by reducing or
eliminating common lighting/electrical sources of image
contamination such as fixed pattern noise, smearing,
blooming, etc. to produce a clean, fully stable color image.
Key Specifications
Power Supply
Power
Requirements
Array Size
Core
Analog
I/O
Active
640 x 480 (VGA)
2.5VDC + 10%
2.5VDC + 4%
2.25V to 3.3V
40 mW (30 fps, including
I/O power)
30 渭W
-10擄C to 70擄C
0擄C to 50擄C
鈥?YUV/YCbCr 4:2:2
鈥?RGB 4:2:2
鈥?Raw RGB Data
1/4"
30 fps
60 fps
3.0 V/Lux-sec
1.12 V/Lux-sec
46 dB
62 dB
Progressive/Interlaced
523 x t
ROW
0.45
5.6 渭m x 5.6 渭m
30 mV/s
60 Ke
< 0.03% of V
PEAK-TO-PEAK
3.6 mm x 2.7 mm
11.43 mm x 11.43 mm
Standby
Temperature
Operation
Range Stable Image
Output Formats (8-bit)
Maximum Image
Transfer Rate
Features
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
High sensitivity for low-light operation
2.5V operating voltage for embedded portable
applications
Standard Serial Camera Control Bus (SCCB)
interface
VGA, QVGA (sub-sampled) and Windowed outputs
with Raw RGB, RGB (GRB 4:2:2), YUV (4:2:2) and
YCbCr (4:2:2) formats
Automatic image control functions including:
Automatic Exposure Control (AEC), Automatic Gain
Control (AGC), Automatic White Balance (AWB),
Automatic Brightness Control (ABC), Automatic
Band Filter (ABF) for 60Hz noise and Automatic
Black-Level Calibration (ABLC)
Image quality controls including color saturation,
hue, gamma, sharpness (edge enhancement),
anti-blooming and zero smearing
Lens Size
VGA
QVGA
B&W
Sensitivity
Color
S/N Ratio
Dynamic Range
Scan Mode
Maximum Exposure Interval
Gamma Correction
Pixel Size
Dark Current
Well Capacity
Fixed Pattern Noise
Image Area
Package Dimensions
鈥?/div>
Figure 1 OV7640/OV7141 Pin Diagram
VDD_ A
VSS_ A
SIO_D
NC
SIO_C
26
NC
NC
28
4
3
2
1
27
PWDN
5
25
Y0
鈥?/div>
NC
6
24
Y1
VREF
7
23
Y2
VDD_C
8
OV7640/OV7141
22
Y3
Ordering Information
Product
OV7640 (Color)
OV7141 (B&W)
Package
PLCC-28
PLCC-28
VSYNC
9
21
Y4
HREF
10
20
Y5
PCLK
11
19
Y6
12
VDD_IO
13
CLK
14
NC
15
RESET
16
NC
17
VSS_D
18
Y7
Version 1.4, March 6, 2003
Proprietary to OmniVision Technologies
1

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