AR0833 datasheet(6/64 Pages) ONSEMI

6 / 64 page

AR0833_DS Rev. H Pub. 4/15 EN

©Semiconductor Components Industries, LLC, 2015.

AR0833: 1/3.2-Inch 8 Mp CMOS Digital Image Sensor

General Description

The ON Semiconductor AR0833 is a 1/3.2-inch BSI (back side illuminated) CMOS active-

pixel digital image sensor with a pixel array of 3264H x 2448V (3280H x 2464V including

border pixels). It incorporates sophisticated on-chip camera functions such as

mirroring, column and row skip modes, and context switching for zero shutter lag snap-

shot mode. It is programmable through a simple two-wire serial interface and has very

low power consumption.

The AR0833 digital image sensor features ON Semiconductor's breakthrough low-noise

1.4m pixel CMOS imaging technology that achieves near-CCD image quality (based on

signal-to-noise ratio and low-light sensitivity) while maintaining the inherent size, cost,

and integration advantages of CMOS.

The AR0833 sensor can generate full resolution image at up to 30 frames per second

(fps). An on-chip analog-to-digital converter (ADC) generates a 10-bit value for each

pixel.

Functional Overview

In order to meet higher frame rates in AR0833 sensor, the architecture has been re-

designed. The analog core has a column parallel architecture with 4 data paths. Digital

block has been re-architected to have 4 data paths.

The chip is targeted to meet SMIA 85 module size. As a result, the final die size is

6.86 mm x 6.44 mm (singulated) which would fit in the intended module with two-sided

pad frame.

Figure 1 shows the block diagram of the AR0833.

Figure 1:

Top Level Block Diagram

The core of the sensor is an 8Mp active-pixel array. The timing and control circuitry

sequences through the rows of the array, resetting and then reading each row in turn. In

the time interval between resetting a row and reading that row, the pixels in the row inte-

MIPI

Serial Data

Output [3:0]

VAA, VAA_PIX

VDD_IO,

DVDD_1V8, DVDD_1V2

Pixel

Array

10-bit

Temperature

Sensor

Gain

Control

Gain

ADC

VCM

Imaging Sensor Core

Digital Processing

-Wire

XSHUTDOWN

Image Output

GPI[3:2]

External

Clock

PLL

GPIO[1:0]

VCM Control

DVDD_1V2_PHY

Two Wire

Serial Interface

SDATA

SCLK

AR0833

Timing Control

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