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PDF VV5402 Data sheet ( Hoja de datos )
| Número de pieza | VV5402 | |
| Descripción | Multi-standard Monochrome CMOS Image Sensor | |
| Fabricantes | VLSI Vision | |
| Logotipo |  |
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VISION VV 5402 Monolithic Sensor
Multi-standard Monochrome CMOS Image Sensor.
PRODUCT DATASHEET
DISTINCTIVE CHARACTERISTICS
• Complete Video Camera on a single chip
• EIA/CCIR standard compatible
• Low power operation (250mW Typical)
• Integral 75Ω driver
• Control options pin selectable for ease of use
• Low light operation to 0.5 lux
• Automatic Exposure and Gain Control
• Automatic Black Level Calibration
• Linear or Gamma corrected output option
• Industry standard 48 pin LCC package
GENERAL DESCRIPTION
The VV5402 is a highly-integrated VLSI
camera device based on VISION’s unique
CMOS sensor technology. It is suitable for
applications requiring a composite video
output with minimum external circuitry.
The device incorporates a 388 x 295 pixel
image sensor and all the necessary support
circuits to generate fully formatted composite
video into a 75Ω load.
Automatic control of exposure, gain and black
level allow use of a single fixed-aperture lens
over a wide range of operating conditions.
Normal and Backlit modes further enhance
difficult scene types.
All major control functions are pin selectable
giving maximum flexibility with ease of use. The
VV5402 offers a complete camera system with
only a few external components.
BLOCK DIAGRAM
VERTICAL
SHIFT
REGISTER
5V
CKOUT
CKIN
SIN
CLOCK
CIRCUIT
PHOTO DIODE ARRAY
DIGITAL
CONTROL
LOGIC.
COLUMN SENSE AMPLIFIERS
SAMPLE & HOLD
ANALOG
VOLTAGE
REFS.
VIDEO
BUFFER
HORIZONTAL SHIFT REGISTER
VIDEO
AMP
AGC
AEC
RESETB
LIN
BKLIT
CCIR
VRT
Vbloom
VOFF
VBG
EBCK
EVWT
2V7
AVO
Pixel Format
384 x 287 (CCIR)
320 x 243 (EIA)
Pixel Size
12µm x 12µm
Array Size
4.66mm x 3.54mm
Min. illumination 0.5 lux (Standard Clock)
S/N Typically 52dB
Exposure control Automatic (to 146000:1)
Gain Control
Automatic (to +20dB)
Power Supply
5v ±5%
Power
Temperature
< 300 mW
0oC - 40oC
cd27031c.fm
1
1 page  
Specifications
SPECIFICATIONS
Package Details
0.51 1.52 TYP
TYP
0.55
0.53
13.7
Glass Lid
Die
Base
Viewed from side
0.5 0.86
The optical array is centred within the
package to a tolerance of ± 0.2 mm, and
rotated no more than ± 0.5o
2.16
PIN 1
1.016 PITCH TYP
Tolerances on package dimensions ±10%
Glass lid placement is controlled so that no
package overhang exists.
Viewed from below
All dimensions in millimetres
Absolute Maximum Ratings
Parameter
Value
Supply Voltage
-0.5 to +7.0 volts
Voltage on other input pins
Temperature under bias
Storage Temperature
-0.5 to VDD + 0.5 volts
-15oC to 85oC
-30oC to 125oC
Maximum DC TTL output Current Magnitude 10mA (per o/p, one at a time, 1sec. duration)
Note: Stresses exceeding the Absolute Maximum Ratings may induce failure. Exposure to absolute
maximum ratings for extended periods may reduce reliability. Functionality at or above these
conditions is not implied.
09/04/97
5
5 Page 
Pin List
Pin Name Type
Description
DIGITAL CONTROL SIGNALS
16 SAB1
ID↓ Chip Address, Bit 1
17 SIN
ID↓ Used to reset video timing control logic without resetting any other part of
VV5402. Resets video logic on the falling edge of the SIN pulse.
18 SCE
ID↓ Scan Mode Enable - only relevant to test mode.
19 LIN
ID↓ Gamma corrected or Linear output. LIN = 0, gamma corrected output,
LIN = 1, linear output. Default is gamma.
20 SAB0
ID↓ Chip Address, Bit 0
21 AEC
ID↑ Automatic exposure control. AEC = 1, auto exposure is enabled; AEC = 0
auto exposure and auto gain control are disabled.
22 AGC
ID↑ Automatic gain control enable. AGC = 1, auto-gain is enabled (if AEC = 1);
AGC = 0, auto-gain is disabled.
23 CCIR
ID↑ Select default video mode for power-on. CCIR = 1 for CCIR video. EIA
video mode is selected when CCIR = 0. Default is CCIR if unconnected
28 BKLIT ID↓ Normal or Backlit exposure control mode. BKLIT = 0, normal mode; BKLIT
= 1, backlit mode. Default is normal. See Exposure Control for details.
29 RESETB ID↑ Active low camera reset. All camera systems are reset to power-on state.
38 SCI
ID↓ Scan Chain Input - only relevant to test mode.
OTHER PINS
6, 11, 12, 30, 32,
33, 35, 36, 39, 40
DNC DO NOT CONNECT. These pins must be left ‘floating’ for correct opera-
tion.
Key:
OA -
OD -
OD↓ -
BI -
Analogue output
Digital output
Digital output with internal pull-down
Bidirectional
IA -
ID -
ID↑ -
DNC-
Analogue input
Digital input
Digital input with internal pull-up
Do Not Connect
09/04/97
11
11 Page | ||
| Páginas | Total 16 Páginas | |
| PDF Descargar | [ Datasheet VV5402.PDF ] | |
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