lm9648 National Semiconductor Corporation, lm9648 Datasheet

lm9648

Manufacturer Part Number

lm9648

Description

Color Cmos Image Sensor Sxga 18 Fps

Manufacturer

National Semiconductor Corporation

Datasheet

1.LM9648.pdf (2 pages)

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LM9648 Color CMOS Image Sensor SXGA 18 FPS

Overall Chip Block Diagram

General Description

The LM9648 is a high performance, low power, 1/2" SX GA

CMOS Active Pixel Sensor capable of capturing color still or

motion images and converting them to a digital data stream.

Mega-pixel class image quality is achieved by integrating a high

performance analog signal processor comprising of a high

speed 10 bit A/D convertor, fixed pattern noise elimination cir-

cuits and separate color gain amplifiers . The offset and black

level can be automatically adjusted on chip using a full loop

black level compensation 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 Video and snapshot 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

on each gain channel

2002 National Semiconductor Corporation

C compatible serial control interface

- Master clock divider

- Inter row delay

- Inter frame delay

- Partial frame integration

Column CDS

APS Array

+/-

Bank

ch0

ch1

ch2

ch3

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

sadr

Array Format

Effective Image Area

Optical Format

Pixel Size

Video Outputs

Frame Rate

Dynamic Range

Shutter

FPN

PRMU

Sensitivity

Fill Factor

Color Mosaic

Package

Single Supply

Power Consumption

Operating Temp

Master Sensor Controller

10 bit A/D

POR

resetb

ADVANCE INFORMATION

Control

Power

pwd

Total: 1032 x 1312

Active: 1032 x 1288

Total: 6.30mm x 7.83mm

Active: 6.27mm x 7.81mm

1/2"

6.0 m x 6.0 m

8 & 10 Bit Digital

18 frames per second

57 dB

Rolling reset

0.5%

1.7%

2.5 volts/lux.s

49%

Bayer pattern

48 LCC

3.0V +/- 10%

150mW

-10

C to 50

clk gen

mclk

www.national.com

extsync

snapshot

vsync

May 2002

d[9:0]

pclk

hsync

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lm9648 Summary of contents

Page 1

... LM9648 Color CMOS Image Sensor SXGA 18 FPS General Description The LM9648 is a high performance, low power, 1/2" CMOS Active Pixel Sensor capable of capturing color still or motion images and converting them to a digital data stream. Mega-pixel class image quality is achieved by integrating a high ...

Page 2

... Sample Kit This kit includes 5 LM9648 samples and complete product datasheet. This is a small PCB that houses the LM9648 sensor together with all neces- sary discrete components. The headboard is supplied with C-MOUNT lens Headboard block (lens not included) and documentation ...

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