lm9628 National Semiconductor Corporation, lm9628 Datasheet

lm9628

Manufacturer Part Number

lm9628

Description

Cmos Image Sensor Vga 30 Fps

Manufacturer

National Semiconductor Corporation

Datasheet

1.LM9628.pdf (2 pages)

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LM9628 Color CMOS Image Sensor VGA 30 FPS

General Description

The LM9628 is a high performance, low power, 1/3” VGA CMOS

Active Pixel Sensor capable of capturing color digital still or

motion images and converting them to a digital data stream.

In addition to the active pixel array, an on-chip 12 bit A/D conver-

tor, fixed pattern noise elimination circuits, a video gain and sep-

arate color gain amplifier are provided. Furthermore, an

integrated programmable smart timing and control circuit allows

the user maximum flexibility in adjusting integration time, active

window size, gain and frame rate. Various control, timing and

power modes are also provided.

The excellent linear dynamic range of the sensor can be

extended to above 100dB by programming a non linear

response curve that matches the response of the human eye.

Features

f Video or snapshot operations

f Programmable pixel clock, inter-frame and inter-line delays.

f Programmable partial or full frame integration

f Programmable gain and individual color gain adjustment

f Horizontal & vertical sub-sampling (2:1 & 4:2)

f Programmable digital video response curve

f Windowing

f External snapshot trigger & event synchronisation signals

f Auto black level compensation

f Flexible digital video read-out supporting programmable:

f Programmable via 2 wire I

f Power on reset & power down mode

Overall Chip Block Diagram

reset

- polarity for synchronisation and pixel clock signals

- leading edge adjustment for horizontal synchronization

2002 National Semiconductor Corporation

Row Address

Clock Gen

Decoder

POR

Reset

mclk

Gen

(sequencer)

Row Address

Controller

Gen

APS Array

C compatible serial interface

extsync

Vertical

Timing

Master Timer

snapshot

Horizontal

Timing

AMP

Control

Power

Applications

f Dual Mode Camera

f Digital Still Camera

f Security Cameras

f Machine Vision

f Automotive

Key Specifications

Gain

pdwn

Array Format

Effective Image Area

Optical Format

Pixel Size

Video Outputs

Frame Rate

Dynamic Range

Electronic Shutter

FPN

PRMU

Sensitivity

Quantum Efficiency

Fill Factor

Color Mosaic

Package

Single Supply

Power Consumption

Operating Temp

mux

12 Bit A/D

ADVANCE INFORMATION

Total:

Active: 648H x 488 V

Total: 4.98 mm x 3.78 mm

Active: 4.86 mm x 3.66 mm

1/3“

7.5 m x 7.5 m

8,10 & 12 Bit Digital

30 frames per second

62dB in linear mode

110dB in non linear mode

Rolling reset

0.1%

1.5%

2.7 V/lux.s

27%

47%

Bayer pattern

48 CLCC

3.3 V +/-10%

120 mW

-40 to 85

C Compatible

Serial I/F

664H x 504V

www.national.com

May 2002

pclk

hsync

vsync

d[11:0]

sadr

sda

sclk

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lm9628 Summary of contents

Page 1

... LM9628 Color CMOS Image Sensor VGA 30 FPS General Description The LM9628 is a high performance, low power, 1/3” VGA CMOS Active Pixel Sensor capable of capturing color digital still or motion images and converting them to a digital data stream. In addition to the active pixel array, an on-chip 12 bit A/D conver- tor, fixed pattern noise elimination circuits, a video gain and sep- arate color gain amplifier are provided ...

Page 2

... Sample Kit This kit includes 5 LM9628 samples and complete product datasheet. This is a small PCB that houses the LM9628 sensor together with all neces- sary discrete components. The headboard is supplied with C-MOUNT lens Headboard block (lens not included) and documentation. M12 Lens mounts (not included) can be mounted on this board ...

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