Silicon oscillators operate from -40 to 125°C

20 April 2005 DSP, Micros & Memory

Linear Technology's new silicon oscillator family, the LTC6905-xxx, generates a fixed frequency clock output (20 MHz to 133 MHz available). Eliminating the external trim components, these precision oscillators provide a simple, compact and robust timing solution for FPGAs, CPLDs, microprocessors and DSPs, which minimises board space and maximises accuracy. Silicon technology makes such oscillators inherently immune to shock and vibration, a key advantage over crystals and ceramic resonators. Typical canned oscillators are challenged by long startup, duty cycle drift, and significant power usage. The LTC6905-xxx improves on all of these features with a consistent startup (100 μs typical), low duty cycle variation (±2,5%) and low power consumption (12 mA max at 100 MHz). It can operate over -40 to

125°C. The series is offered in a small ThinSOT package, and operates with a single 2,7 V to 5,5 V supply.

Memec SA, +27 (0)21 674 4103

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