All You Need to Know About Camera Module OV2640

OV2640, an evergreen image sensor from OmniVision. It was released in 2005 and discontinued in 2009, yet still used a lot in today’s products. You may have questions like the following:
  • What’s good about it? 
  • What makes it so popular? 
  • What's its application?
As one of the major advocates of OV2640, CAMEMAKE will answer your questions in this article.
Let’s get started.


OV2640 Definition

OV2640 is a 1/4-inch CMOS UXGA (1632*1232) image sensor produced by OV (OmniVision), which is small in size and low in operating voltage, and provides all the functions of a single-chip UXGA camera and image processor. The product UXGA image up to 15 frames per second (SVGA up to 30 frames, CIF up to 60 frames), the user can fully control the image quality, data format and transmission method, all image processing functions including gamma curve, white balance, contrast, chroma, etc. can be programmed through the SCCB interface. OmniVision image sensors apply unique sensor technology to improve image quality by reducing or eliminating optical or electronic defects such as fixed pattern noise, smearing, and floating, resulting in clear and stable color images.


OV2640 Features

Low illumination, high operating sensitivity low operating voltage Standard SCCB interface Supports RGB, RGB(RGB 565/555), GRB 422, YUV(422/420) and YCbCr(4:2:2) output formats Supported image sizes: UXGA, SXGA, SVGA, and anything down from SXGA to 40x30 Supports Automatic Exposure Control (AEC), Automatic Gain Control (AGC), Automatic White Balance (AWB), Automatic Band Filter (Abf) and Automatic Black Level Calibration (Ablc) Image quality control includes color saturation, gamma, sharpness (edge enhancement), lens correction, white pixel removal, noise removal and 50/60Hz brightness detection

Internal and external frame synchronization Variable Frame Rate Control Supports LED and flash modes Support zoom support compression Embedded Microcontroller


OV2640 Specs


OV2640 Application

This chip can be used in endoscope camera products. The PCB size and the length of the connecting line are designed according to the actual application requirements. The finished endoscope product can be used in different work scenarios such as pipeline maintenance, an inspection of automobile internal parts, and sewer inspection.


OV2640 Camera Modules


OV2640 Endoscope Camera Module
OV2640 MIPI Camera Module


Why OV2640 is an Excellent Sensor

Compared to the latest Huawei or iPhone camera, OV2640 is not fancy at all in terms of the sensor format, resolution, the image quality.

But it doesn’t bother making the OV2640 to be an excellent image sensor.
The OV2640 is a SOC sensor that has an on-chip ISP that can do auto-exposure, auto-white balance in such a small sensor package to represent a nice image.
The sensor interface is DVP which is standards for digital video port, a kind of parallel source synchronization camera interface with 8bit data, horizontal/vertical synchronization signal, and an associated pixel clock.
By the End
Why do you like to use the OV2640 Camera Module?
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