The DS3231N is a state-of-the-art, low-cost, real-time clock (RTC) with an integrated temperature-compensated crystal oscillator (TCXO) and crystal from Maxim Integrated. Designed to provide precise timekeeping, this RTC is a perfect choice for a wide range of applications including data loggers, timekeeping devices in appliances, and other embedded projects requiring a reliable time source.
Key Features
- High Accuracy: The DS3231N maintains an impressive ±2ppm accuracy from 0°C to +40°C and ±3.5ppm accuracy from -40°C to +85°C, ensuring high precision in timekeeping.
- Battery Backup: It includes a battery input, and maintains accurate timekeeping when main power is interrupted. The integrated oscillator improves long-term accuracy and reduces the number of components in the design.
- I2C Interface: Communication with the DS3231N is established via a simple I2C interface, making it easy to integrate with most microcontrollers.
- Programmable Alarm: The device features two programmable time-of-day alarms, adding to its versatility in various applications.
- Temperature Sensor: An integrated digital temperature sensor allows for high-precision temperature monitoring, which can be used for various control and compensation functions.
- Register for Aging Trim: A register is included to digitally tune the oscillator for aging, which helps maintain timekeeping accuracy over the product's lifespan.
Applications
The DS3231N is ideal for applications that require accurate timekeeping under varying environmental conditions. It is commonly used in:
- Handheld devices
- GPS units
- Telematics
- Industrial systems
- Consumer electronics
With its compact, surface-mount package and comprehensive feature set, the Maxim Integrated DS3231N RTC provides designers with a reliable and cost-effective solution for maintaining accurate time in their applications.
