lm9647 National Semiconductor Corporation, lm9647 Datasheet

lm9647

Manufacturer Part Number

lm9647

Description

Color Cmos Image Sensor Vga 68 Fps

Manufacturer

National Semiconductor Corporation

Datasheet

1.LM9647.pdf (2 pages)

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LM9647 Color CMOS Image Sensor VGA 68 FPS

General Description

The LM9647 is a high performance, low power, 1/4" VGA CMOS

Active Pixel Sensor capable of capturing color still or motion

images and converting them to a digital data stream.

Excellent image quality is achieved by integrating a high perfor-

mance analog signal processor comprising of a high speed 10

bit A/D convertor, fixed pattern noise elimination circuits and

separate color gain amplifiers . The offset and black level can be

automatically adjusted on chip using a full loop black level com-

pensation circuit.

Furthermore, a programmable smart timing and control circuit

allowing the user maximum flexibility in adjusting integration

time, active window size, gain, frame rate. Various control, tim-

ing and power modes are also provided.

Features

f Master and slave mode operation

f Progressive scan read out with horizontal and vertical flip

f Programmable Exposure:

f Four channels of digitally programmable analog gain

f Full automatic servo loop for black level & offset adjustment

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

f Windowing

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

f I

f Power on reset & power down mode

Overall Chip Block Diagram

on each gain channel

- Master clock divider

- Inter row delay

- Inter frame delay

- Partial frame integration

2002 National Semiconductor Corporation

C compatible serial control interface

Column CDS

APS Array

+/-

Bank

ch0

ch1

ch2

ch3

Figure 1. Chip Block Diagram

sclk sda

C Compatible

MUX

Serial I/F

Applications

f Dual Mode Camera

f Digital Still Camera

f Security Camera

f Machine Vision

Key Specifications

Array Format

Effective Image Area

Optical Format

Pixel Size

Video Outputs

Frame Rate

Dynamic Range

Electronic Shutter

FPN

PRMU

Sensitivity

Fill Factor

Color Mosaic

Package

Single Supply

Power Consumption

Operating Temp

sadr

Master Sensor Controller

10 bit A/D

POR

resetb

ADVANCE INFORMATION

Control

Power

pwd

Total: 488 x 672

Active: 488 x 648

Total: 2.93mm x 4.03mm

Active: 2.93mm x 3.89 mm

1/4"

6.0 m x 6.0 m

8 & 10 Bit Digital

68 frames per second

57 dB

Rolling Reset

0.5%

1.7%

2.5 volts/lux.s

49%

Bayer pattern

32 LCC

3.0V +/-10%

130mW

-10

C to 50

clk gen

mclk

www.national.com

extsync

snapshot

May 2002

vsync

d[9:0]

pclk

hsync

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lm9647 Summary of contents

Page 1

... LM9647 Color CMOS Image Sensor VGA 68 FPS General Description The LM9647 is a high performance, low power, 1/4" VGA CMOS Active Pixel Sensor capable of capturing color still or motion images and converting them to a digital data stream. Excellent image quality is achieved by integrating a high perfor- ...

Page 2

... Sample Kit This kit includes 5 LM9647 samples and complete product datasheet. This is a small PCB that houses the LM9647 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 also be mounted on this board ...

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