DP8570AVX/NOPB

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Real Time Clocks (RTCs) are devices which maintain the current date and time, allowing accurate and up-to-date scheduling and measurement of events. The DP8570AVX/NOPB is a particularly versatile and reliable RTC device, offering a range of TTL/CMOS compatible options and integrated features for a variety of applications. The following article explains the DP8570AVX/NOPB’s primary application field, as well as its working principles.

Applications

The DP8570AVX/NOPB has been designed for use in an extensive range of applications, from industrial to commercial. As an option-rich Real Time Clock, DP8570AVX/NOPB recommends itself for applications such as time synchronized systems, data logging, clock synchronization for distributed networks, low power scheduling and timer devices, as well as HVAC and medical device conditioning and monitoring. Power line or environmental conditions can be monitored, servos and clocks synchronized, and temperatures and pressure regulated, all using the same device.

The many options and features offered by the DP8570AVX/NOPB make it ideal for applications requiring multiple functions and wide dynamic range. For instance, operation at 1.8V to 5.5V and an externally programmable power-fail backup, enable the device to work in applications with stringent power and temperature requirements. In addition, a clock accuracy of ±2 min/yr and temperature accuracy of ±2°C make the DP8570AVX/NOPB well suited for applications where precise time and temperature measurements need to be taken.

Working Principle

The working principle of the DP8570AVX/NOPB is relatively simple and draws on conventional RTC design principles. The device consists of three main

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