Atmel and u-blox are now offering their latest weak-signal tracking GPS technology in an ultra-small form factor. The single-chip ATR0635 measures just 7 x 10 mm, and integrates a complete Antaris 4 GPS receiver including ROM-based SuperSense software in a 96-pin BGA package. According to the companies, the small size plus the low power consumption make the device an excellent fit for handheld and mobile applications that require GPS functionality. The 96-pin, ball-grid-array single chip has a superior cost-performance ratio due to needing only a few external components. Lower PCB costs are achieved due to a 45% reduction in footprint and a simplified board layout. Like all Antaris 4 chipsets, the ATR0635 supports serial EEPROM memory - a cost- and space-efficient alternative to Flash EPROMs for storing custom configuration settings. The on-chip USB connectivity eliminates the need for an expensive serial-to-USB converter. Its high tracking sensitivity of -158 dBm allows for weak-signal tracking in urban canyons and even indoors.
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