DS1339AU+

Clock & Timing ADI SLP

Control and Automation Solutions - HVAC

Heating, Ventilation, and Air Conditioning (HVACs) are systems and technology responsible for the heating, ventilation, and air conditioning in buildings. HVAC systems regulate comfort (temperature and humidity), energy efficiency, and air quality. Analog Devices Inc. offers a wide range of devices to provide the correct solution for your HVAC application.

Maxim HVAC

Real Time Clocks (RTC)

Analog Devices Inc. Real-time Clocks (RTCs) are offered in a wide range of low-power, highly accurate, small packages, and MEMs-based ICs. RTC ICs measure time, even when the power of the main device is off, so an auxiliary battery or supercapacitor are required. Power consumption is a key factor in most RTC designs, but accuracy and small package size are also important. The latest RTC ICs reduce package pin count by supporting a serial interface.

DS1339A Low-Current, I²C, Serial Real-Time Clock

Analog Devices DS1339A Low-Current, I²C, Serial Real-Time Clock (RTC) is a low-power clock/date device with two programmable time-of-day alarms and a programmable square-wave output. Address and data are transferred serially through an I²C bus. The clock/date provides seconds, minutes, hours, day, date, month, and year information. The date at the end of the month is automatically adjusted for months with fewer than 31 days, including corrections for leap year. The clock operates in either the 24-hour or 12-hour format with AM/PM indicator. Analog Devices DS1339A Low-Current, I²C, Serial Real-Time Clock has a built-in power-sense circuit that detects power failures and automatically switches to the backup supply, maintaining time, date, and alarm operation.