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High-performance 125°C MEMS oscillators unveiled

25 Jan 2013

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SiTime SiT8920

Fabless IC company SiTime Corp has recently introduced a MEMS oscillator for industrial and high reliability applications named the SiT8920. The company outperforms quartz oscillators in every major performance category due to its silicon MEMS and analogue architecture.

While operating over the widest temperature range, -55°C to 125°C, SiTime states that the SiT8920 consumes half the power of quartz oscillators, is twice as stable, 20 times more reliable and 30 times more robust to shock and vibration. (See also Extended-temperature oscillators keep jitter under 1pS RMS.)

SiTime is also introducing two additional devices that are well suited for replacing quartz oscillators and crystal resonators:

* SiT1618—a fixed-frequency oscillator that operates over -40°C to +125°C

* SiT8918—a programmable oscillator that operates over the same temperature�range and supports any frequency between 1 and 110MHz as well as 1.8V and�2.5 to 3.3V operation

These new high-temp oscillators offer many unique features and benefits listed below.

* Best robustness: 30 times better than quartz�oscillators

- 0.1 ppb/g vibration sensitivity, the best in�the industry

- 50,000 g shock and 70 g vibration�resistance

* Best reliability: 500 million hours MTBF (2�FIT), 20 times better than quartz oscillators

* Best frequency stability: ±25 PPM over the operating�temperature for better system timing

* Low power consumption: < 4 mA typical

* Five industry-standard�package options including a tiny 2.0 x 1.6 mm, all of which are drop-in�replacements for quartz oscillators

The SiT8920, SiT8918 and the SiT1618 MEMS oscillators are sampling now with mass production scheduled for April 2013. Pricing is available upon request. (See also Multitest announces support for MEMS oscillators.)

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