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Wearable and IoT technologies benefit from world’s smallest quartz frequency devices

18 August 2015

AEL Crystals has reduced the size of the core technology for wearable and IoT devices, with its three latest product introductions: the 1610 Watch Crystal; the 1210 Crystal; and the 1612 Oscillator.

The 1610 Watch Crystal is believed to be the world’s smallest 32.768kHz watch crystal, measuring just 1.6mm x 1.0mm x 0.5mm (max). It is available with wide operating temperature ranges up to -40 to +105°C and is robust and reliable in operation.

Initial stabilities can be specified between +/-10 and +/-50ppm, making it suitable for wireless modules, in-car devices, Bluetooth devices and mobile phones, as well as wearable devices, such as smart watches, fitness trackers, medical and activity monitoring devices and so on. 

For reliable operation, the ESR (Equivalent Series Resistance) is 60kO (Max), making the 1610 Watch Crystal particularly suitable for low ESR applications such as Bluetooth Low Energy chipsets. Furthermore, AEC-Q200 compliant versions are available for use in the automotive industry.

AEL claims its 1210 Crystal is the world’s smallest crystal, measuring just 1.2 x 1.0 x 0.33mm (max). It can be supplied between 36.0 and 80.0MHz. Operating temperature can be specified up to -40 to +125°C, with temperature stability from +/-10 to +/-50ppm and initial stability as low as +/-7ppm. AEC-Q200 compliant versions are also available. 

Another 'world’s smallest' claim is made for the 1612 oscillator. It measures just 1.6 x 1.2 x 0.7mm (max) and operates across a temperature range from -40 to +85°C. It is reliable, with a temperature stability of +/-10 to +/-50ppm, and initial stability of +/-7 to +/-50ppm. 

Additionally, it has a wide operating frequency range of 1.0 to 80.0MHz and operates from a 1.8, 2.5 or 3.3V supply.

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