Overview
The DS3231MZ+ is a highly accurate, low-cost I2C real-time clock (RTC) produced by Analog Devices Inc./Maxim Integrated. This device is designed to provide precise timekeeping and is integrated with a microelectromechanical systems (MEMS) resonator, which enhances its long-term accuracy. The DS3231MZ+ maintains accurate timekeeping even when the main power is interrupted, thanks to its battery-backup input. It is available in the same footprint as the popular DS3231 RTC, making it a versatile and reliable choice for various applications.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Timekeeping Accuracy | ±5ppm (±0.432 seconds/day) | -45°C to +85°C |
| Supply Voltage | 2.3V to 5.5V | V |
| Operating Temperature Range | -40°C to +85°C | °C |
| Package Type | 8-Pin or 16-Pin SOIC | - |
| Interface | I2C, 2-Wire Serial | - |
| Time Format | HH:MM:SS (12/24 hour) | - |
| Date Format | YY-MM-DD-dd | - |
| Current - Timekeeping (Max) | 130µA to 200µA @ 3.63V to 5.5V | µA |
| Leap Year Compensation | Up to Year 2100 | - |
| Digital Temp Sensor Accuracy | ±3°C | °C |
Key Features
- Highly accurate RTC with integrated MEMS resonator, ensuring long-term accuracy.
- Complete clock calendar functionality, including seconds, minutes, hours, day, date, month, and year, with leap-year compensation up to year 2100.
- Two time-of-day alarms and 1Hz and 32.768kHz outputs.
- Reset output and pushbutton input with debounce.
- Digital temperature sensor with ±3°C accuracy.
- Simple serial interface connects to most microcontrollers with a fast (400kHz) I2C interface.
- Battery-backup input for continuous timekeeping and low power operation to extend battery-backup run time.
- UL recognized and RoHS compliant.
Applications
- Building Automation
- High-Definition Video Security
- Industrial Applications
- Portable Instruments
- Power Meters
Q & A
- What is the timekeeping accuracy of the DS3231MZ+?
The DS3231MZ+ has a timekeeping accuracy of ±5ppm (±0.432 seconds/day) from -45°C to +85°C.
- What is the operating temperature range of the DS3231MZ+?
The operating temperature range is -40°C to +85°C.
- What types of packages are available for the DS3231MZ+?
The device is available in 8-Pin or 16-Pin SOIC packages.
- Does the DS3231MZ+ support battery backup?
- What is the interface type of the DS3231MZ+?
The device uses an I2C, 2-Wire Serial interface.
- Does the DS3231MZ+ have a digital temperature sensor?
- What are the supply voltage requirements for the DS3231MZ+?
The supply voltage range is 2.3V to 5.5V.
- Is the DS3231MZ+ RoHS compliant?
- What are some common applications of the DS3231MZ+?
- Does the DS3231MZ+ support leap-year compensation?
