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ST intros new range of gyroscopes

Posted: 13 Sep 2013     Print Version  Bookmark and Share

Keywords:STMicroelectronics  gyroscopes  L2G3IS  L3G3IS 

STMicroelectronics has introduced a new family of gyroscopes specifically optimised for optical image stabilisation in smartphones and digital still cameras.

Optical Image Stabilisation has become an essential feature in today's smartphones and digital still cameras. By moving the lens in real time to compensate for physical movement of the camera, it can significantly improve the sharpness of the image, especially when taking photographs in low light, when hand jitter during the longer exposure time would blur images.

The new 2-axis (L2G3IS) and 3-axis (L3G3IS) gyroscopes operate with a resonant frequency of the sensing mass at around 20kHz. As a result of this frequency in combination with the mechanical structure, the devices are immune to the damage that could be caused by ultrasonic cleaning equipment (typically operating at around 30kHz) that many customers use to clean devices before equipment assembly, the company said.

"In addition to revolutionizing user interfaces with intuitive gesture recognition, MEMS gyroscopes have brought enormous benefits to hand-held digital photography through optical image stabilisation. With the LxG3IS family, ST's proven MEMS manufacturing technology and supply-chain advantage are applied to gyroscopes that are uniquely tailored for image stabilisation and offer increased damage protection," said Fabio Pasolini, General Manager, Motion MEMS Division, STMicroelectronics.

Other key technical features of the new devices include ±65 dps / ±130 dps full-scale range, SPI digital interface, embedded temperature sensor, and integrated low- and high-pass filters with selectable bandwidth. The devices operate with supply voltage from 2.4V to 3.6V and are housed in an LGA-16 3x3.5x1 mm package.

Samples of ST's new 2-axis (L2G3IS) and 3-axis (L3G3IS) gyroscopes are available now and budgetary unit pricing is Rs.149.06 ($2.37) (L2G3IS) and Rs.212.58 ($3.38) (L3G3IS) for orders over 1,000 pieces.

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