Overview
The onsemi MT9P031I12STMH-GEVB is an evaluation board designed for the MT9P031, a 1/2.5-inch 5 megapixel CMOS active-pixel digital image sensor. This sensor is part of onsemi’s advanced CMOS imaging technology, offering high image quality comparable to CCD sensors while maintaining the advantages of CMOS technology, such as smaller size, lower cost, and better integration capabilities.
The evaluation board provides a comprehensive platform for developers to test and evaluate the performance of the MT9P031 image sensor. It includes various features and controls that allow for detailed assessment and customization of the sensor’s operation.
Key Specifications
| Parameter | Value |
|---|---|
| Optical Format | 1/2.5-inch (4:3) |
| Active Imager Size | 5.70 mm (H) x 4.28 mm (V), 7.13 mm Diagonal |
| Active Pixels | 2592 H x 1944 V |
| Pixel Size | 2.2 x 2.2 μm |
| Color Filter Array | RGB Bayer Pattern |
| Shutter Type | Global Reset Release (GRR), Snapshot Only Electronic Rolling Shutter (ERS) |
| Maximum Data Rate / Pixel Clock | 96 Mp/s at 96 MHz (2.8 V I/O), 48 Mp/s at 48 MHz (1.8 V I/O) |
| Frame Rate | Full Resolution: up to 14 fps, HDTV (640 x 480, with binning): up to 53 fps |
| ADC Resolution | 12-bit |
| Responsivity | 1.4 V/lux-sec (550 nm) |
Key Features
- Programmable Controls: Gain, frame rate, frame size, and exposure can be programmed by the user.
- Advanced Imaging Modes: Includes windowing, column and row skip mode, snapshot mode, and bulb exposure mode for arbitrary exposure times.
- On-chip Processing: Features an on-chip analog-to-digital converter (ADC), automatic black level calibration, and a phase-locked loop (PLL) for internal clock generation.
- Serial Interface: Simple two-wire serial interface for user interaction and configuration.
- Mirror and Binning Modes: Horizontal and vertical mirror image, column and row binning modes to improve image quality.
Applications
The MT9P031 image sensor is suitable for a wide range of consumer and industrial applications, including:
- Cell phones
- Digital still cameras
- Digital video cameras
- PC cameras
- Other imaging devices requiring high-quality CMOS technology
Q & A
- What is the optical format of the MT9P031 image sensor?
The optical format of the MT9P031 is 1/2.5-inch (4:3).
- How many active pixels does the MT9P031 have?
The MT9P031 has 2592 horizontal by 1944 vertical active pixels.
- What is the maximum frame rate of the MT9P031 at full resolution?
The maximum frame rate at full resolution is up to 14 frames per second (fps).
- What is the ADC resolution of the MT9P031?
The ADC resolution is 12-bit.
- Does the MT9P031 support programmable controls?
- What types of shutter modes are available on the MT9P031?
The MT9P031 supports Global Reset Release (GRR) and Snapshot Only Electronic Rolling Shutter (ERS).
- How is the exposure controlled on the MT9P031?
The exposure is controlled by varying the time interval between the reset and readout of each row.
- What is the purpose of the on-chip phase-locked loop (PLL) in the MT9P031?
The on-chip PLL generates all internal clocks from a single master input clock.
- Can the MT9P031 be used in various consumer and industrial applications?
- How does the MT9P031 handle image data output?
The image data is read out in a progressive scan format with frame and line synchronization signals.
