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Low cost autofocus poLight Tlens now available with optimized driver
July 03, 2012 // Julien Happich
Manufacturer of ultra-low power autofocus actuated lenses poLight and Semtech joined their efforts to deliver the first driver dedicated to the TLens platform, in 0.8x1.6x0.5mm chip scale package.
poLight has developed three different actuated autofocus devices based on a patented technology using its optical MEMS and polymer. This technology is to be integrated in camera modules based on 1/5” to 1/2.5” sensor format, reaching 5MP to 12MP and higher resolutions.
The SX8750 driver, designed for capacitive and piezoelectric actuator, is optimized for poLight TLens' new technology, enabling faster auto-focus, enhanced image quality and a smaller form factor camera module. The SX8750 platform combines high voltage and ultra-fast driver technology with ultra-low current consumption from 3V with no external coil. These unique features combine to drive MEMS based actuators for a larger camera resolution and a true real-time auto-focus, now up to 20x faster than traditional VCM technology, at a fraction of the power consumption. The IC draws less than 5mW averaged in active mode and with 1 uA listen mode current consumption. It features an I2C controlled 10-bit differential DAC for precise focus. For application in mobiles and smart phone camera modules, the chip allows for 1ms settling time with Tlens.
Visit poLight at www.polight.com
Visit Semtech at www.semtech.com
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Check out the Filter Wizard Series of articles by Filter Guru Kendall Castor-Perry which provide invaluable practical Analog Design guidelines.
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The development platform for i.MX 6Quad from element14 (built to the Freescale SABRE Lite design) is an evaluation platform featuring the powerful i.MX 6Q, a multimedia application processor with Quad ARM Cortex-A9 cores at 1.2 GHz from Freescale Semiconductor.
This month, Freescale and element14 are giving away five such platforms, worth £128.06 each, for EETimes Europe's readers to win. The platform helps evaluate the rich set of peripherals and includes a 10/100/Gb Ethernet port, SATA-II, HDMI v1.4, LVDS, parallel RGB interface, touch screen interface, analog headphone/microphone, micro TF and SD card interface, USB, serial port, JTAG, camera interface, and input keys for Android.
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In our previous reader offer, Pico Technology was giving away one of its recently launched PicoScope 3207B, a 2-channel USB 3.0 oscilloscope worth 1451 Euros. Lucky winner Mr L. Sanchez-Gonzalez from Spain should be receiving his PicoScope 3207B soon. Let's wish them some interesting findings with his projects.
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