Rtc, I2C, Nsoic-8; Date Format:Day; Date; Month; Year; Clock Format:Hh:Mm:Ss; Clock Ic Type:Alarm Rtc; Supply Voltage Min:2.3V; Supply Voltage Max:5.5V; Clock Ic Case Style:Nsoic; No. Of Pins:8Pins; Ic Interface Type:I2C Rohs Compliant: Yes |Analog Devices DS3231MZ+TRL

DS3231MZ+TRL – High-Accuracy I2C Real-Time Clock – Analog Devices

Optimize your time-critical systems with the Analog Devices DS3231MZ+TRL, a precision real-time clock (RTC) module featuring I²C interface in a compact 8-SOIC package. Designed for applications demanding exceptional timekeeping accuracy, this IC maintains precise time/date tracking with ultra-low power consumption. PCX ensures genuine Analog Devices components with reliable stock and expedited shipping.

Key Features

• Industry-Leading Accuracy: ±2ppm from 0°C to +40°C (±3.5ppm from -40°C to +85°C)
• Wide Voltage Range: Operates from 2.3V to 5.5V with battery backup support
• Ultra-Low Power: Only 130µA–200µA timekeeping current
• I²C Serial Interface: Simplifies integration with microcontrollers
• Integrated Features: Programmable alarms, leap year compensation, and square-wave output
• Robust Design: Industrial temperature range (-40°C to +85°C)

Technical Specifications

This surface-mount RTC provides clock/calendar functionality with 12/24-hour time format (HH:MM:SS) and year-month-day-date (YY-MM-DD-dd) tracking. The 2-wire I²C serial interface ensures straightforward communication. Housed in an 8-SOIC package (3.90mm width), it offers alarm interrupts, automatic leap-year correction, and a configurable square-wave generator. RoHS compliance guarantees environmental safety.

Typical Applications

• Industrial automation controllers
• Medical diagnostic equipment
• Data loggers and metering systems
• Server/network infrastructure
• Portable instrumentation

About Analog Devices

Analog Devices Inc. (ADI) stands at the forefront of high-performance analog and mixed-signal technology. With decades of innovation, ADI consistently delivers precision components that set industry benchmarks for reliability and accuracy. Their acquisition of Maxim Integrated further strengthened their portfolio in power management and timing solutions.

ADI’s commitment to rigorous quality control ensures components meet stringent automotive, industrial, and medical standards. Engineers worldwide trust ADI ICs for mission-critical designs where signal integrity and environmental resilience are paramount. Their technical support resources and design tools simplify complex implementations.

About Real-Time Clocks (RTCs)

Real-Time Clocks are essential integrated circuits that maintain accurate time and calendar functions independent of host systems. They provide critical timestamping capabilities for event logging, scheduling, and synchronization across embedded applications. Unlike software-based clocks, hardware RTCs continue operating during main power loss using backup batteries.

Modern RTCs like the DS3231 integrate temperature-compensated crystal oscillators (TCXOs) to counteract timing drift caused by thermal variations. This makes them indispensable for applications requiring long-term chronological accuracy—from energy meters billing by time-of-use to industrial PLCs coordinating automated processes. Advanced features include alarms, timestamp interrupts, and programmable outputs.

Packaging Options

Available in Tape & Reel (TR) for automated assembly lines or Cut Tape (CT) for prototyping needs.

Frequently Asked Questions

Q: What backup battery voltage does this RTC support?
A: It accepts battery voltages from 2.3V to 5.5V, compatible with most coin cells and supercapacitors.

Q: Does it automatically adjust for leap years?
A: Yes, the built-in calendar accounts for leap years through 2100 without firmware intervention.

Q: Can I generate timing interrupts with this IC?
A: Absolutely. Two programmable alarms trigger interrupt outputs for scheduled events.

Q: Is an external crystal required?
A: No. The DS3231 integrates a temperature-compensated crystal oscillator (TCXO), eliminating external timing components.

Q: How does temperature affect accuracy?
A: Its ±2ppm accuracy (0°C to +40°C) outperforms standard RTCs. Even at -40°C to +85°C, drift remains below ±3.5ppm.

Q: Why choose an I²C RTC over SPI?
A: I²C simplifies designs with fewer pins, reducing board space and cost for microcontroller-limited applications.

Order Today for Fast Delivery!

Ensure your design benefits from benchmark-setting timing accuracy—add the DS3231MZ+TRL to your BOM now. PCX guarantees authentic Analog Devices components with same-day shipping and dedicated technical support. Download full datasheet.

Product images are representational. Refer to datasheet for exact specifications.