Sony IMX307_camera chip specification, IMX307 image sensor

IMX307 LQD-C is a diagonal 6.46mm (1/2.8 type) CMOS active pixel type solid-state image sensor with a square pixel array and 2.13M effective pixels. The chip works with analog 2.9V, Digita 1.2V, and interface 1.8V triple power supply, with low power consumption. High sensitivity, low dark current, and no smearing effect can be obtained by using three color mosaics of R, G, and B. Filters. The chip features an electronic shutter with variable charging integration time.

IMX307 chip features:

CMOS active pixel type dot

Built-in timing adjustment circuit, H/V drive and serial communication circuit

Input: 74.25 MHz/37.125 MHz

Recommended recording pixel count: about 1920 (H) × 1080 (V). 2.07m pixels

Readout mode

Full pixel scan mode

720p-HD readout mode

Window crop mode

Vertical/Horizontal direction – Normal/Inverted readout mode

Readout rate: Maximum frame rate in full HD 1080p mode: 60 frames/s

Wide dynamic range (WDR) function:

Multiple exposure WDR

Digital overlap WDR

Variable shutter function (resolution 1H unit)

10-bit/12-bit A/D converter

Conversion gain switching (HCG mode/LCG mode)

CdS/PGA function:

0 dB to 30 dB: Analog gain 30 dB (step 0.3 dB)

30.3 dB to 72 dB: Analog gain 30 dB Digital gain 0.3 to 42 dB (step 0.3 dB)

Supports I/O switching

Low voltage LVDS (150MVP-P) serial (2 channels/4 channels switching) DDR output CSI-2 serial data output (2 channels/4 channels, RAW10/RAW12 output)

Recommended exit pupil distance: -30 mm to -∞

Device structure:

CMOS image sensor

Image size: 1/2.8 type

Total number of pixels: 1945 (H) × 1109 (V) approx. 2.16 M pixels

Number of effective pixels: 1945 (H) × 1097 (V) approx. 2.13 M pixels

Number of active pixels: 1937 (H) × 1097 (V) approx. 2.12 M pixels

Recommended number of recording pixels: 1920 (H) × 1080 (V) approx. 2.07 M pixels

Unit cell size: 2.9 μm (H) × 2.9 μm (V)

Optical black body: Horizontal (H) direction: 0 pixels in front, 0 pixels in back; Vertical (V) direction: 10 pixels in front, 0 pixels in back

Dummy:

Horizontal (H) direction: 0 pixels in front, 3 pixels in back

Vertical (V) direction: 0 pixels in front, 0 pixels in back

Base material: Silicon

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• What are some common problems that the IMX307 image sensor may encounter in applications?

• 1. How does the wide dynamic range (WDR) technology of the IMX307 image sensor work?

• A: The IMX307 image sensor integrates advanced wide dynamic range (WDR) technology, which works through multi-frame synthesis and local exposure adjustment. Multi-frame synthesis technology allows the sensor to quickly capture multiple images with different exposure times and synthesize these images into a high dynamic range image to balance the light and dark contrast of the picture. Local exposure adjustment performs different exposure processing on different areas of the image to optimize the light distribution in each area. In this way, the IMX307 can capture the details of bright and dark areas in high-contrast environments (such as backlighting, strong light and shadows coexisting), avoiding partial overexposure or underexposure of the image.

• 2. How does the IMX307 perform in low-light environments?

• A: The IMX307 performs well in low-light environments, thanks to its high sensitivity and low noise characteristics. In addition, the 2.9 µm x 2.9 µm large pixel design of IMX307 improves the light receiving ability, allowing the sensor to capture more details and provide clear images in dim environments. Therefore, IMX307 is widely used in low-light environments such as night monitoring and parking lot monitoring.

• 3. What is the resolution of IMX307? What does this mean for video surveillance?

• A: IMX307 provides a full HD resolution of 1920 x 1080 pixels, ensuring the clarity and fineness of the image. In video surveillance, high-resolution images help capture and identify subtle security risks, such as facial features, clothing details, and license plate numbers of suspicious persons. This is particularly important for public safety monitoring and commercial security, which can significantly improve monitoring effects and accuracy.

• 4. How does IMX307 perform when dealing with fast-moving objects?

• A: IMX307 supports high frame rate video capture, which means that more frames can be captured per second, thereby reducing motion blur and improving the clarity of dynamic images. In video surveillance, especially in traffic monitoring scenarios, IMX307 can clearly record the path and characteristics of fast-moving vehicles, helping traffic management departments to conduct real-time monitoring and illegal evidence collection.

• 5. What are the characteristics of IMX307 in terms of power consumption and durability?

• A: IMX307 achieves a balance between high performance and low power consumption by optimizing power consumption design. This helps to extend the life of the camera and reduce operating costs. In addition, the durability design of IMX307 enables it to operate stably in various complex environments, including hot, cold or dusty environments. This stability ensures the long-term reliability of the monitoring system.

• 6. What are the advantages of IMX307 compared with similar sensors such as IMX291?

• A: Compared with similar sensors such as IMX291, IMX307 has advantages in wide dynamic range, low-light performance, resolution and durability. IMX307's WDR technology can better handle high-contrast scenes and provide clear, detailed images. At the same time, its high sensitivity and low noise characteristics enable IMX307 to provide excellent performance in low-light environments. In addition, the IMX307's full HD resolution and high frame rate video capture capabilities are also better than some similar sensors, further enhancing its application value in areas such as video surveillance.