World’s Smallest 32.768 kHz MEMS Resonator
Murata has developed the world’s smallest 32.768 kHz MEMS resonator which is expected to make a significant contribution to reducing the size and power consumption of IoT devices and wearable devices.
Demand is growing for compact electronic components that consume less electrical power for use in digital devices for IoT and wearable applications where small size and long operating times are essential to market success. As many modern devices rely on accurate timing, there is an increasing need for low power consumption resonators, which are required to operate continuously to provide timing signals.
Based on miniature MEMS technology, the new resonators exhibit stable frequency characteristics with a temperature drift of <160 ppm across their operating range of -30 to 85 °C. Initial frequency accuracy is ±20 ppm which is at the level expected of a more sophisticated (and expensive) crystal resonator.
An in-built 6.9pf capacitor reduces the components necessary for the circuit that generates the reference clock signal, thereby reducing the space required as well as giving designers more flexibility in designing their solution.