AR0134CSSC00SUEAH-GEVB datasheet(6/41 Pages) ONSEMI

6 / 41 page

AR0134_DS Rev. G Pub. 6/15 EN

©Semiconductor Components Industries, LLC,2015.

AR0134: 1/3-Inch 1.2 Mp CMOS Digital Image Sensor

General Description

The ON Semiconductor AR0134 can be operated in its default mode or programmed for

frame size, exposure, gain, and other parameters. The default mode output is a full-reso-

lution image at 54 frames per second (fps). It outputs 12-bit raw data, using either the

parallel or serial (HiSPi) output ports. The device may be operated in video (master)

mode or in frame trigger mode.

FRAME_VALID and LINE_VALID signals are output on dedicated pins, along with a

synchronized pixel clock. A dedicated FLASH pin can be programmed to control

external LED or flash exposure illumination.

The AR0134 includes additional features to allow application-specific tuning:

windowing, adjustable auto-exposure control, auto black level correction, on-board

temperature sensor, and row skip and digital binning modes.

The sensor is designed to operate in a wide temperature range (–30°C to +70°C).

Functional Overview

The AR0134 is a progressive-scan sensor that generates a stream of pixel data at a

constant frame rate. It uses an on-chip, phase-locked loop (PLL) that can be optionally

enabled to generate all internal clocks from a single master input clock running between

6 and 50 MHz. The maximum output pixel rate is 74.25 Mp/s, corresponding to a clock

rate of 74.25 MHz. Figure 1 shows a block diagram of the sensor.

Figure 1:

Block Diagram

User interaction with the sensor is through the two-wire serial bus, which communi-

cates with the array control, analog signal chain, and digital signal chain. The core of the

sensor is a 1.2 Mp Active- Pixel Sensor array. The AR0134 features global shutter tech-

nology for accurate capture of moving images. The exposure of the entire array is

controlled by programming the integration time by register setting. All rows simultane-

ously integrate light prior to readout. Once a row has been read, the data from the

columns is sequenced through an analog signal chain (providing offset correction and

gain), and then through an analog-to- digital converter (ADC). The output from the ADC

is a 12-bit value for each pixel in the array. The ADC output passes through a digital

Control Registers

Active Pixel Sensor

(APS)

Array

PLL

Memory

OTPM

Temperature

sensor

Timing and Control

(Sequencer)

Analog Processing and

A/D Conversion

Auto Exposure

and Stats Engine

Pixel Data Path

(Signal Processing)

External

Clock

Serial

Output

Flash

Parallel

Output

Two-Wire

Serial

Interface

Trigger

Power

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