VB6851 datasheet(2/4 Pages) STMICROELECTRONICS

2 / 4 page

Overview

VB6851

2/4

Overview

Figure 1.

System diagram

Figure 2.

Block diagram

EXTCLK

XSHUTDOWN

CCP 2.0

3 megapixel

VB6851

auto-focus

camera

CCI

baseband

(STn8815)

processor

module

STV0986 Imaging

system controller

application

(CLKP, CLKN)

(SLC + SDA)

SCL

SDA

EXTCLK

XSHUTDOWN

CLKP

CLKN

DATAP

DATAN

VANA

AGND

VDIG

DGND

VCAP

X Decoder

Line SRAM

Dark Cal

Scaling

Formatter

Sensor

control

registers

PLL and clock management

Power Mgmt

Power-on reset

VB6851

2056 x 1544

Pixel array

X Decoder

Line SRAM

Column ADC

Output

De-rating

Defect

Correction

Table 1.

Technical specifications

Parameter

Description

Pixel resolution

2048 x 1536 (QXGA)

Sensor technology

ST IMG175 process

Pixel size

1.75 µm x 1.75 µm

Exposure control

+ 81 dB

Analog gain

+ 24 dB (max)

Digital gain

+ 6 dB (max)

Dynamic range

60 dB

Signal to noise

36 dB (@ 100 lux)

Supply voltages

Analog: 2.4 V - 2.9 V

Digital: 1.7 V - 1.9 V

Average power consumption 20fps

<150 mW in infinity

<350 mW at macro including actuator current

Package size (lxwxh)

8.5 mm x 8.5 mm x 5.9 mm

Lens

51° +/- 2 HFOV F/2.8

TV distortion

<|1.0%|

Relative illumination

45 % (typ.)

Package type

SMIA85 auto-focus

System attach

SMIA85 socket

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