VB6850 [STMICROELECTRONICS]

3.2 Megapixel QXGA camera module with auto focus; 支持自动对焦320万像素的QXGA相机模块


型号：	VB6850
厂家：	ST
描述：	3.2 Megapixel QXGA camera module with auto focus 支持自动对焦320万像素的QXGA相机模块
文件：	总5页 (文件大小：135K)
中文：	中文翻译
下载：	下载PDF数据表文档文件

VB6850

3.2 Megapixel QXGA camera module with auto focus

Data Brief

Features

■ 3.2 Megapixel resolution (2048H x 1536V)

■ 2.2 µm pixel size, 1/3.2 inch optical format

■ RGB Bayer color filter array

■ Integrated 10-bit ADC

■ Fully integrated auto-focus mechanism

■ Multi-element, high quality lens

■ SMIA Profile 2 Functional & CCP2 compliant

■ Up to 20 fps QXGA progressive scan

Description

The VB6850 is a QXGA auto-focus raw Bayer

camera module targeting mobile applications.

Manufactured using ST 0.13 µm CMOS imaging

process, it integrates a high performance 2.2 µm

pixel and is compliant with both the functional

(Profile 2) and CCP2 parts of the SMIA

specification revision 1.0.

■ Up to 30 fps 1024x768 via sub-sampling or 2x2

analogue binning

■ Smooth frame rate control

■ Full raw Bayer down scaler from 1x to 8x in

steps of 1/16^th

■ Output pixel rate de-rating with scaling

■ Integrated defect correction

VB6850 is capable of streaming QXGA raw Bayer

image data up to 20 fps.

■ Automatic dark level calibration

The auto-focus mechanism combined with a

multi-element lens provides excellent image

quality at focus distances from less than 10 cm to

infinity.

■ CCP2 SubLVDS bit-serial interface (640 Mbps)

■ 2-wire 400 kHz camera control interface (CCI)

■ On-chip PLL, 6.0 to 27 MHz clock input

■ Analog power supply: 2.4 to 2.9V

■ Separate digital I/O power supply: 1.7 to 2.9V

■ Ultra low power standby mode (< 30µW)

All external components, including the auto-focus

actuator drivers, are integrated inside the camera

module, apart from two CCI pull-up resistors.

Control of the integrated AF driver is via the

VB6850 CCI I/F yielding straight forward system

integration.

■ 9.5 x 9.5 x 7.6 mm³auto focus camera module

with embedded passives

■ Integral EMC shielding and EMI reduction

techniques

■ Lead-free RoHS compliant product

January 2007

Rev 1

1/5

For further information contact your local STMicroelectronics sales office.

www.st.com

VB6850

Figure 1.

VB6850

Application diagram

Figure 2.

Block diagram

VB6850

EXTCLK

XSHUTDOWN

PLL and Clock Management

VDIG

DGND

Power Mgmt Power-On Reset

EXTCLK

XSHUTDOWN

STV0986 Imaging

System Controller

Line SRAM

Sensor

Control

Registers

VCAP

3 Megapixel

auto-focus

camera

SCL

SDA

X Decoder

CCI

VANA

AGND

Column ADC

Baseband

module

Dark Cal

Scaling

2056 x 1544

Pixel array

CCP 2.0

Application

Processor

(STn8815)

CLKP

CLKN

DATAP

DATAN

Defect

Correction

Output

De-rating

Column ADC

X Decoder

Output

Formatter

Line SRAM

Figure 3.

Outline drawing

2/5

VB6850

Table 1.

Technical specifications

Active Pixels

2048H x 1536V (QXGA)

2056H x 1544V

2.2 µm x 2.2 µm

RGB Bayer

Physical pixel array

Pixel size

Color filter array

Sensor technology

Exposure control

Analog gain

0.13um HCMOS9I

+81 dB

+24 dB (max.)

Dynamic range

Signal-to-noise ratio (SNR)

Frame rate

60 dB (typical)

37 dB at 100 lux (typical)

1 to 20 Hz QXGA

RAW Bayer 8-bit

Pixel format (s)

RAW Bayer 10-bit

RAW Bayer 10 to 8-bit compressed

Video interface(s)

Control interface

CCP2 Class2 640 Mbps

400 kHz CCI

6.0 to 27 MHz square

(on-chip PLL)

Clock input

Analogue: 2.7 V - 2.9 V

Digital IO: 1.7 V - 2.9 V

Supply voltage

Power consumption

Vact: 2.8V (nominal)

<200 mW (@20 frame/s)

<30 µW (standby mode)

Lens

51^o±2 HFOV, f# 2.8

10 cm -> infinity

<|1%|

Depth of field

TV distortion

Relative illumination

Package type

Package size

System attach

50% (typ)

AF95

9.5 mm x 9.5 mm x 7.6 mm (wlh)

Socket⁽¹⁾and Flex⁽²⁾

1. VB6850 module is compatible with the SMIA95 socket.

2. VB6850 module is compatible with flex attach.

Table 2.

Temperature range

Storage

-40 to +85°C

-30 to +70°C

-25 to +55 °C

+5 to +30°C

23 ± 2°C

Functional

Normal operating

Optimal operating

Test

3/5

Ordering information

VB6850

Ordering information

Table 3.

Order codes

Part number

Package

VB6850S02I/T2

SMIA95 AF 9.5 mm x 9.5 mm x 7.6 mm - Socket

Revision history

Table 4.

Date

12-Jan-2007

Document revision history

Revision

Changes

Initial release.

4/5

VB6850

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5/5

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