Micron Introduces First Anti-Shake 3-Megapixel Camera SoC For Mobile Phones
Micron Technology unveiled a 1/4-inch, 3-megapixel complete camera system-on-chip sensor for mobile handsets. Unique to the market, Micron has designed an anti-shake feature into the sensor, which reduces image blurring often found in camera phone pictures due to camera shake.
Blurry images are especially common in low-light situations where the shutter is open for longer periods of time to collect enough light to take the picture. A camera phone designed with Micron’s new sensor (product number MT9T111) can reduce image blur by automatically activating the anti-shake feature when sensing camera shake.
Micron offers several 3-megapixel image sensors in differing optical formats, but this new sensor is the first in its class with the anti-shake feature. The new 3-megapixel sensor was developed on Micron’s 1.75-micron pixel and integrates additional camera capabilities on chip including JPEG compression and image processing that would typically require additional chips. For basic operation, the sensor only requires a power supply, lens and clock source.
General customer sampling is planned for August 2007 with mass production expected in the fourth quarter of 2007.
- Pixel Size: 1.75µm x 1.75µm
- Array Format (Active): 2048H x 1536V (QXGA)
- Imaging Area: 3.62mm x 2.73mm: 4.52mm diagonal (4:3 aspect ratio)
- Targeted Module Size (estimated): 8.5mm x 8.5mm x 5mm
- CRA (tentative targets): 24.99° (Max at 80% image height)
- Color Filter Array: RGB Bayer color filters
- Optical Format: 1/4 inch (4:3)
- Frame Rates: 15 fps (full resolution) (JPEG), 30 fps (preview mode)
- Scan Mode: Progressive
- Shutter: Electronic rolling shutter (ERS)
- Automatic Exposure, white balance, black
- Functions: level offset correction, flicker detection and avoidance, color saturation control, defect identification and correction, and aperture correction
- Windowing: Programmable to any size
- ADC: 10-bit, on-chip
- Output Interface MIPI: Single-lane
- Parallel: 10-bit
- Maximum Pixel Data Output: 48 megapixels per second
- Maximum Data Rate: 96 MHz
- Responsivity: 0.44 V/Lux-sec (preliminary)
- Signal-to-Noise Ratio: >38dB (preliminary)
- Dynamic Range: >67.4dB (preliminary)
- Supply Analog: 2.5V.3.1V
- Voltage: Digital: 1.70V.1.95V
- I/O: 1.7V.3.1V
- PLL: 2.5V.3.1V
- MIPI: 1.70V.1.95V
- Power Consumption: <150mW (@ 30 fps)
- Operating Temp: -30°C to +70°C (at junction)
- Package: Bare die (in wafer form)
Source: Micron Technology
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