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Micro Crystal debuts low-power, cost-effective RTC module

Posted: 03 Nov 2015 ?? ?Print Version ?Bookmark and Share

Keywords:Micro Crystal? RTC? module? capacitor? battery?

Micro Crystal has introduced a temperature compensated real-time clock (RTC) module optimised for ultra-low power consumption. The RV-8803-C7 can replace expensive batteries and super caps with low cost MLCC capacitors for battery backup operation, stated the company.

The current consumption of 240nA and operation down to 1.5V significantly increases the operational life of backup supplies and allows for potential use of low cost MLCC capacitors as a short term backup solution. All this while providing accuracy of 3ppm (0.26 seconds/day) over a temperature range of -40C to 85C. In addition to the lowest current and best accuracy of all temperature-compensated RTCs, the RV-8803-C7 also has the smallest ceramic package in the industry with an integrated 32.768kHz quartz crystal.


The RTC's accurate timekeeping together with reliability of a power failure backup makes it ideal for a range of applications such as metering applications, embedded modules, data loggers, white goods, automotive, portable/wearable medical equipment and all types of POS systems, indicated the company.

The AEC-Q200 qualified RV-8803-C7 boasts a low current consumption of only 240nA and is available in an ultra-miniature ceramic SMD package measuring 3.2mm x 1.5mm x 0.8mm. The RTC module is targets price-sensitive applications, noted the company.

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