DS3231SN - SMD -SOP-16 IC Real Time Clock Integrated RTC/TCXO/Crystal [Original]

DS3231SN SMD SOP-16 Real Time Clock (RTC) IC with Integrated TCXO & Crystal

The DS3231SN is a highly accurate, low-cost I2C Real-Time Clock (RTC) integrated circuit. It features an integrated temperature-compensated crystal oscillator (TCXO) and crystal, ensuring exceptional precision. This SMD SOP-16 package device significantly reduces component count in your designs. It maintains accurate timekeeping even when main power is interrupted, thanks to its battery input. The RTC tracks seconds, minutes, hours, day, date, month, and year, with automatic leap-year adjustments. It supports both 24-hour and 12-hour formats with an AM/PM indicator. Two programmable time-of-day alarms and a square-wave output enhance its versatility. Communication is handled via a fast (400kHz) I2C bidirectional bus, simplifying integration into most microcontrollers. Its robust design includes power-fail detection and automatic backup supply switching, making the DS3231SN ideal for demanding applications requiring reliable timekeeping.

Specifications:

• Package/Case: SOIC-16 (SOP-16)
• Mounting Type: SMD/SMT
• Product Series: DS3231
• Accuracy: ±2ppm (0°C to +40°C), ±3.5ppm (-40°C to +85°C)
• Interface: I2C (400kHz)
• Operating Voltage: 3.3V
• Operating Temperature Range: 0°C to +70°C (Commercial), -40°C to +85°C (Industrial)
• Timekeeping Functions: Seconds, Minutes, Hours, Day, Date, Month, Year
• Alarms: Two Time-of-Day Alarms
• Output: Programmable Square-Wave Output

Key features and benefits:

• Highly accurate Real-Time Clock (RTC) with integrated TCXO and crystal.
• Maintains seconds, minutes, hours, day, date, month, and year, with automatic leap-year compensation up to 2100.
• Exceptional accuracy: ±2ppm from 0°C to +40°C and ±3.5ppm from -40°C to +85°C.
• Fast (400kHz) I2C serial interface for easy connection to microcontrollers.
• Battery-backup input ensures continuous timekeeping during main power interruptions.
• Includes two programmable time-of-day alarms and a programmable square-wave output.
• Integrated digital temperature sensor with ±3°C accuracy.
• Low power operation extends battery-backup run time.

Applications:

• Data logging systems requiring precise timestamps.
• Embedded systems for industrial control and automation.
• GPS devices and navigation systems.
• Smart home devices and IoT applications.
• Battery-powered portable electronics and consumer gadgets.

Package Includes:

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