OV4689 High Frame Rate 4-Megapixel CameraChip™ Sensor

●The OV4689 is a high-performance 4-megapixel CameraChip sensor in a native 16:9 format designed for next-generation surveillance and security systems. The sensor uses advanced 2-micron OmniBSI™-2 pixels to provide best-in-class low-light sensitivity and high dynamic range (HDR).

●The 1/3-inch OV4689 can capture full-resolution 4-megapixel high-definition (HD) video at 90 frames per second (fps), 1080p HD video at 120 fps, and 720p HD video at 180 fps. The sensor's high frame rate enables crisp and clear image and video capture of fast-moving objects.

●OV4689 offers frame-based "sequential HDR" or line-based "interlaced HDR", and quarter-resolution HDR using "alternate line HDR". Using "interlaced HDR" and "sequential HDR" greatly reduces motion artifacts and reduces memory requirements for host processing. These modes produce high-quality full-resolution 4-megapixel HDR video under extreme light and dark change conditions, ensuring high contrast and excellent scene reproduction.

●OV4689 uses a high-speed 4-lane MIPI serial output interface to increase the required high data transfer rate. OV4689 uses a chip-scale package (CSP).

●Product features:

■Automatic black level calibration (ABLC)

■Programmable control:

▲ Frame rate

▲Mirror and flip

▲Crop

▲Windowing

■Static defective pixel cancellation Support output format:

▲10-bit raw RGB (MIPI)

■Support horizontal and vertical subsampling

■Support image size:

▲4MP

▲3MP

▲EIS1080p

▲1080p

▲EIS720p

■Fast mode switching

■Support 2×2 binning, 4×4 binning, resampling filter

■Standard serial SCCB interface

■Up to 4-channel MIPI serial output interface

■Embedded 4K-bit one-time programmable (OTP) memory for part identification, etc.

■Two on-chip phase-locked loops (PLLs)

■Programmable I/O drive capability

■Built-in temperature sensor

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• OV4689 Image Sensor FAQ：

• 1. What type of image sensor is OV4689?

• A: OV4689 is a high-performance 4-megapixel (2688×1520) color CMOS image sensor using OmniBSI-2™ technology, designed for high-definition imaging needs. It is widely used in automotive electronics, security monitoring, portable cameras and other fields.

• 2. What are the main technical features of OV4689?

• A: The main technical features of OV4689 include:

• OmniBSI-2™ technology: improves light sensitivity and image quality, especially in low-light environments.

• Automatic black level correction (ABLC): eliminates dark current noise in the image to ensure image stability and high quality.

• Programmable control function: supports frame rate setting, mirror flipping, image cropping and windowing, etc., providing high flexibility.

• Output format and sampling support: supports 10-bit RAW RGB (MIPI) output format, supports horizontal and vertical sub-sampling, and meets various image size requirements.

• 3. In which application scenarios is OV4689 more common?

• Answer: OV4689 is more common in the following application scenarios:

• IP camera: Provides clear and stable video streams, suitable for home security monitoring, remote monitoring, etc.

• Sports camera: Ensures high-quality images are captured in fast-moving environments, supports EIS anti-shake function.

• Automotive electronics: Often used as the core component of dash cams, providing reliable video recording.

• 4. How to solve the problem of OV4689 image being pink or green?

• Answer: If the OV4689 image has a pink or green problem, it may be caused by noise or unstable power supply. You can try the following solutions:

• Check the power supply: Make sure the power supply is stable and meets the sensor specifications.

• Adjust the RGB register: According to the data sheet or technical support guidance, try to adjust the value of the RGB register to improve the color performance.

• Check the hardware design: If it is a self-designed hardware system, you should ensure that all hardware connections are correct and there are no short circuits or interference sources.

• Consult technical support: If the problem persists, it is recommended to contact OmniVision's technical support team or related communities for help.

• 5. What output formats and image sizes does OV4689 support?

• Answer: OV4689 supports the following output formats and image sizes:

• Output format: Supports 10-bit RAW RGB (MIPI) output format.

• Image size: Supports multiple image size outputs such as 4 million pixels (2688×1520), 3 million pixels, EIS 1080p, 1080p, EIS 720p, etc. to meet different resolution requirements.

• 6. What is the package form of OV4689?

• Answer: OV4689 adopts chip scale package (CSP) form, which is a highly integrated package method that helps to reduce sensor size and improve reliability.

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• 7. How to configure the registers of OV4689 to achieve specific functions?

• Answer: Configuring the registers of OV4689 is a key step to achieve specific functions. Usually, users need to send configuration commands to the sensor through the serial camera control bus (SCCB) according to the register description and configuration guide in the data sheet. The specific configuration method may vary depending on the application scenario and requirements. It is recommended to read the data sheet in detail and refer to the relevant sample code.