DS1339U-2+

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The DS1339U-2+ is a versatile, high-precision, Real Time Clock (RTC) module designed for a variety of application fields. It is a programmable device that can be used to perform various timing functions. The DS1339U-2+ combines advanced design and manufacturing techniques with an integrated quartz crystal oscillator, providing low power operation and superior accuracy over a wide range of temperatures, providing reliable timekeeping even during power outages.

The main application areas of the DS1339U-2+ are data logging, time & attendance monitoring, access control, alarms and alerts, and medical patient monitoring. The DS1339U-2+ can be used to track time in a variety of industrial and commercial applications, including job tracking, resource management, scheduling and communication.

The DS1339U-2+ has a wide range of features that make it a suitable solution for a number of applications. It features an auto-calibration system, extended temperature range, automatic frequency adjustment, and automatically switching power supply. Additionally, it has a programmable input/output configurability and ability to capture multiple time events.

The working principle of the DS1339U-2+ consists in the use of a quartz crystal oscillator which maintains the accuracy of the time keeping. The quartz crystal oscillator is an electrical device that vibrates at a specific frequency to generate an electrical signal (oscillation) that is then converted into a digital signal by the clock circuitry. This signal is then used to generate the time and date information.

The quartz oscillator is calibrated to a specified frequency and is sensitive to changes in temperature. The output of the oscillator is ultimately determined by its internal resistance and capacitance which are in turn influenced by temperature fluctuations.

The DS1339U-2+ counters these temperature fluctuations by using a temperature compensation circuit that adjusts the quartz oscillator frequency automatically. The DS1339U-2+ also includes a time base switch that can be used to adjust the clock accuracy through a process known as frequency/temperature trimming.

The DS1339U-2+ offers many features and benefits for a wide range of applications. Its advanced temperature compensation circuit ensures accurate timekeeping over wide temperature ranges. Its extended temperature range ensures compatibility with a vast number of systems. The ability to automatically switch power supplies helps reduce power consumption, saving further on energy costs.

In conclusion, the DS1339U-2+ is an excellent choice for various applications that require reliable real-time clocks. Its advanced features and low power consumption, combined with its accuracy and temperature compensation capabilities, make it a cost effective, reliable and efficient solution for a variety of applications.

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