PAC407BCA/PAC407BCW

CMOS Image Sensor IC

PAC407 CMOS VGA DIGITAL IMAGE SENSOR

General Description:

The PAC407 is a highly integrated CMOS active-pixel image sensor that has a VGA resolution (644H x 484V or

640H x 480V). The PAC407 outputs 8-bit data with wide range of formats include RGB Raw Data, RGB565 and

YCbCr422 through an 8-bit parallel data bus. It is available in 32-pin LCC and 22-pin CSP.

To have an excellent image quality, the PAC407 supports all require image processing functions, includes

Automatic Exposure Control, Automatic White Balance, Gamma Correction, Color Saturation Correction, Edge

Enhancement, Lens Shading Compensation and Defect Compensation. These functions are all programmable via

I

2

C

TM

serial control bus.

Features:

VGA, QVGA, QQVGA (Sub-sampling) and

Window Of Interest (WOI) outputs with 8-bit

parallel data mode, the formats include:

o

Raw Data

o

RGB565

o

YCbCr422

VGA resolution, ~1/4” Lens

o

644 x 484 pixels (Raw Data)

o

640 x 480 pixels (YUV/RGB)

Bayer-RGB color filter array

Continuous variable frame time(1/2sec~1/30sec)

On-chip 10-bit pipelined A/D converter

On-chip programmable gain amplifier

o

4-bit color gain amplifier (x1~x2)

o

4-bit global gain amplifier (x1~x2)

Automatic image control functions:

o

AEC: Automatic Exposure Control

o

AWB: Automatic White Balance

Image quality control:

o

Color Saturation

o

Gamma Correction

o

Sharpness (Edge Enhancement)

o

Smooth filter for skin

Defect Compensation

Lens Shading Compensation

X Flip Function for mirrored image

Digital Zoom (x2, x4)

Package

Scan Mode

S/N Ratio

BCA

BCW

Color filter

Exposure Time

Max. pixel rate

(YUV)

<25mA(~15 fps) power dissipation

I

2

C

TM

Serial Interface

Pin-to-pin compatible to OV7648

(Except for the polarity of RESET pin)

Key Specification:

Supply Voltage

Resolution

Array diagonal

Pixel Size

Frame rate

System clock

2.8V to 3.3V

640x480(YUV) or 644x484(Raw)

4.5mm (~1/4”Optic)

5.6µmx5.6µm

~30 fps

Up to 26 MHz

26 MHz

1.4 V/Lux-Sec

1.2 V/Lux-Sec

RGB Bayer Pattern

~ 4us to 0.1412s

Progressive

> 45 dB

32-pin LCC

22-pin CSP

Sensitivity

BCA

BCW

Note1: Only 2 decouple-capacitors needed.

Note2: Excellent sensitivity.

Version 1.7, 13 Sep

2004

PixArt Imaging Inc.

1

E-mail: fae_service@pixart.com.tw