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Toshiba rolls out 20Mpx CMOS image sensor for smartphones

Posted: 16 Sep 2014 ?? ?Print Version ?Bookmark and Share

Keywords:CMOS image sensor? 20Mpx? T4KA7?

Toshiba America Electronic Components Inc. (TAEC) unveiled its 1.12? CMOS image sensor (CIS) for high-end mobile handsets and smartphones with 20Mpx resolution. With an optical size of 1/2.4 inch, the T4KA7 sensor enables development of camera modules with a z-height of 6mm or less to meet consumer demand for thinner, lighter mobile devices.

The sensor joins Toshiba's recently announced 8Mpx and 13Mpx 1.12? back-side illuminated CIS solutions, which enable low-power, high-performance image capture, and video recording for handheld mobile devices. The T4KA7 employs high-speed circuit technology that delivers a frame rate of 22fps at full-resolution image capturean improvement of 83 per cent compared to the company's previous 20Mpx sensor.

"Toshiba developed this family to accommodate a range of consumer needs," said Andrew Burt, vice president of the Image Sensor Business Unit, System LSI Group at TAEC. "Our new T4KA7 sensor was created to allow manufacturers to design the next generation of ultrathin, power-aware high-end mobile products and smartphones demanded by users."


According to market research firm Yole Developpement, the CMOS image sensor market will experience a compound annual growth rate (CAGR) of 10 per cent between 2013 and 2018, with the total CIS market set to reach $13 billion by 2018. Drivers include not only mobile technologiesas the industry shifts further towards CMOS replacing charge-coupled device (CCD) technology in image sensorsbut also automotive, industrial, and medical imaging applications, as well as wearable electronics.

The T4KA7 features a pixel count of 5384 (H) x 3752 (V). The 20Mpx sensor's advanced digital zoom capability delivers virtually no discernible image deterioration, even when zooming in very close on the subject being photographed. Other features include mapped couplet correction by 16Kbit one-time programmable (OTP) memory, enabling tight integration of high-density permanent memory without increasing the real estate on the sensor chip.

The first product in the Toshiba 1.12? CIS series, the 13Mpx T4K82, was announced earlier this year. It enables 240fps HD video capture for higher-end mobile devices with 1080px resolution. The 8Mpx T4KA3, rolled out last month, targets midrange smartphones, tablets, and action cameras with 720px resolution, enabling HD video capture at an industry-high rate of 240 equivalent fps. Both sensors feature Bright Mode and High Dynamic Range (HDR) technology.

Sample shipments of the T4KA7 CMOS image sensor began last month, with samples priced at just under $20. Mass production is scheduled to begin in February 2015.

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