All-CMOS silicon oscillator technology now shipping
Because its devices can be made using standard semiconductor manufacturing technology, eoSemi’s products are cheaper, smaller, easier to integrate, more robust and consume less power than competing offerings. ATOC brings together a number of innovations in oscillator design, including proprietary techniques to sense and compensate for changes in temperature and physical stresses within the device. A unique fundamental circuit design allows the oscillator’s output frequency to be tuned instantaneously in real-time, and compensates for drift over the lifetime of the device. The first product to be based on ATOC technology is a 32kHz timing reference circuit aimed at the handheld market, delivered in an advanced chip-scale package (CSP) measuring just 1.5×1.5mm. Manufactured using a standard CMOS process, the new device draws just 8µA of supply current in active mode and delivers accuracy down to ±30ppm. This combination of specifications, along with an operating temperature range of -40 to +85°C, means that the timing reference will comply with the system design requirements of major 3G handset manufacturers.
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