Low power MEMS clocks pursue industrial IoT

Low power MEMS clocks pursue industrial IoT

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SiTime Corp., a vendor of MEMS-based timing ICs and a wholly-owned subsidiary of MegaChips Corp., has introduced the SiT1569 oscillator and the SiT1576 TCXO with expanded frequency range.
By Peter Clarke

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These reference clocks, with 1Hz to 2MHz nominal values are designed to drive microcontrollers (MCUs) and analog front end (AFE) modules in a range of portable and IoT applications such as railroad activity sensors in harsh environments, seismic sensor interface applications, and personal medical diagnostics.

The current draw of 2-microamps enables 10 year battery life from a coin cell and both products are packahed in a 1.2 square millimeter chip-scale package. Accuracy is +/-50ppm in the case of the SiT1569 and +/-5ppm in the case of the SiT1576.

Samples of the SiT1576 Super-TCXO and SiT1569 oscillator are available with production volume iplanned for 3Q17.

Related links and articles:

www.sitime.com

SiT1569: https://www.sitime.com/products/1-khz-to-1-mhz-oscillators-tcxo/sit1569

SiT1576: https://www.sitime.com/products/1-khz-to-1-mhz-oscillators-tcxo/sit1576

News articles:

CEO interview: SiTime’s Rajesh Vashist on good timing

SiTime uses dual MEMS for network oscillators

Japan’s MegaChips to buy MEMS maker SiTime

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