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OV9281 Camera Module COMS Image Sensor

OV9281 Camera Module COMS Image Sensor

The OV9281 image sensor, designed and produced by OmniVision Technologies, is a low-voltage, high-performance CMOS image sensor specifically tailored for applications requiring high-quality image capture. In conjunction with its dedicated OV9281 camera module, this sensor demonstrates exceptional performance and widespread application potential in fields such as machine vision, surveillance and security, drones, and consumer electronics.

Overview of OV9281 Image Sensor

Basic Parameters:

  • Type: CMOS Image Sensor

  • Size: 1/4-inch

  • Resolution: 1 Megapixel (1280×800) utilizing OmniPixel 3-GS technology

  • Pixel Size: Typically 3µm x 3µm, specifications may vary by product version

  • Power Supply: Analog 2.8V (nominal), Core 1.2V (nominal), I/O 1.8V (nominal)

Performance Characteristics:

  • Low-Voltage Design: Aids in reducing overall system power consumption, enhancing energy efficiency.

  • High-Performance Imaging: Delivers clear, stable image output through OmniPixel 3-GS technology, minimizing issues like fixed pattern noise and smearing.

  • High Frame Rate: Supports capture rates up to 120 frames per second (fps), suitable for applications requiring rapid response and real-time image processing.

  • Flexible Configuration: Enables complete control over image quality, format, and output data transmission through the Serial Camera Control Bus (SCCB) interface.

  • Advanced Features: Includes Automatic Black Level Calibration (ABLC), mirroring and flipping, programmable control of cropping and windows, catering to diverse image processing needs.

OV9281 Camera Module

Integrated Advantages:

  • All-in-One Design: Integrates the OV9281 image sensor with lenses, circuit boards, and other components into a compact module, simplifying installation and debugging processes.

  • Rich Interfaces: Supports MIPI serial output interface and DVP parallel output interface, facilitating connection with various processors and systems.

  • Customization Services: Offers lens customization, package size adjustments, and other services to meet specific customer requirements.

Application Scenarios:

  • Machine Vision: Used in industrial automation, quality inspection, and other fields, providing high-precision, high-stability image data.

  • Surveillance and Security: Acts as the core component of surveillance cameras, delivering clear, smooth monitoring footage to ensure safety.

  • Drones: Integrated into drone aerial photography systems, providing stable aerial images and videos to support high-performance drone flight and navigation.

  • Consumer Electronics: Employed in devices like smartphones and tablets as camera modules, enhancing photo and video recording quality to meet consumers' demands for HD imagery.

Conclusion

The OV9281 image sensor and its camera module, with their low-voltage, high-performance, and flexible configuration options, have emerged as indispensable image capture solutions across numerous application scenarios. Empowered by OmniPixel 3-GS technology, this sensor delivers clear, stable image output, catering to diverse image processing needs. Furthermore, the integrated design of the camera module simplifies installation and debugging, reducing the complexity and cost of system integration. As technology advances and application scenarios continue to expand, the OV9281 image sensor and camera module are poised to showcase even broader application prospects in the future.


As a professional camera module custom manufacturer, Dogoozx has developed several high-performance, cost-effective cameras for OV9281, as follows:

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Some common questions about the OV9281 camera image sensor

1. What type of image sensor is the OV9281?

A: The OV9281 is a low-voltage, high-performance 1/4-inch megapixel (1280×800) black and white CMOS image sensor.

2. What are the main features of the OV9281?

A: The main features of the OV9281 include:

High resolution: Provides a resolution of 1280×800 pixels.

High frame rate: Supports frame rates up to 120 frames per second, suitable for high-speed motion capture.

Excellent image quality: Adopts OmniPixel3-GS™ technology to reduce or eliminate common image pollution, such as fixed pattern noise, tailing, etc.

Flexible control and output: Controlled by the SCCB interface, supports full-frame, sub-sampling and windowed 8/10-bit MIPI image output, as well as DVP parallel output.

Low power design: Low power consumption in standby, shutdown and active states.

3. In which application scenarios does the OV9281 perform well?

A: OV9281 performs well in the following application scenarios:

Industrial automation: used in machine vision systems to achieve high-speed, high-precision object recognition, positioning and detection.

High-end monitoring: in the field of security monitoring, capture fast-moving objects and monitor key areas.

Machine vision: suitable for applications that require high definition and high frame rate, such as barcode scanning, robot navigation, and quality inspection.

4. What factors affect the image quality of OV9281?

A: The image quality of OV9281 may be affected by the following factors:

Lighting conditions: insufficient or excessive light may lead to image quality degradation.

Lens quality: lens clarity, distortion, etc. will affect the final image quality.

Sensor settings: improper settings such as exposure time, gain, and white balance may also affect image quality.

Power supply stability: power supply fluctuations may cause increased image noise.

5. How to solve the problem of color cast or inaccurate color of OV9281 image?

Note: Although OV9281 is a black and white image sensor and does not directly involve color issues, it is assumed here that the problem may be caused by confusion or misunderstanding of similar products. For black and white sensors, you should pay attention to parameters such as brightness, contrast, and clarity.

Answer: For the black and white image sensor OV9281, if problems such as uneven brightness or poor contrast occur, you can try the following solutions:

Adjust the exposure time and gain to optimize the image brightness and contrast.

Check whether the lens is contaminated or damaged, and make sure it is clean and intact.

Check the sensor settings to ensure that there is no incorrect configuration that causes image quality degradation.

6. What is the power consumption of OV9281?

Answer: The power consumption of OV9281 varies in different states:

Standby power consumption is about 65µA.

Shutdown power consumption is about 50µA.

Active power consumption is about 134mW (specific values may vary depending on actual usage conditions).

These low-power features help extend the use time of the device, especially in application scenarios that require long-term operation.

7. What is the interface compatibility of OV9281?

Answer: OV9281 is controlled through the serial camera control bus (SCCB) interface and supports two interface methods: MIPI serial output and DVP parallel output. This gives it good interface compatibility and enables it to be used with a variety of image processing systems and devices.

8. What is the operating temperature range of the OV9281?

Answer: The operating temperature range of the OV9281 is -30°C to +85°C (junction temperature), and the recommended operating temperature range for stable image output is 0°C to 50°C (junction temperature). This ensures that the sensor can work properly under different environmental conditions.

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