The MAX6901ETA from Maxim Integrated is a compact, serial real-time clock (RTC) with an embedded temperature-compensated crystal oscillator (TCXO) and a built-in power-management circuit. This RTC is designed to provide precise time and date information for a wide range of applications, including embedded systems, industrial controls, and portable devices.

Key Features

• Timekeeping Accuracy: The device maintains accurate timekeeping with a precision of ±1 minute per month at 25°C, thanks to its integrated TCXO.
• Low Power Consumption: Operating in the low-power mode, the MAX6901ETA is optimized for battery-powered applications, ensuring minimal impact on system power reserves.
• Serial Interface: It features a simple serial interface that allows for easy integration into existing designs, making it highly flexible for a variety of applications.
• Compact Package: Enclosed in an 8-pin TDFN (3mm x 3mm) package, the MAX6901ETA is suitable for space-constrained applications.
• Automatic Leap Year Compensation: The device includes an automatic leap year compensation valid up to the year 2100, eliminating the need for manual adjustments.
• Battery-Backup Input: A dedicated battery-backup input ensures continuous timekeeping during main power failures.

Applications

The MAX6901ETA is versatile and can be used in various applications due to its compact size, accuracy, and low power consumption. It is particularly well-suited for:

• Handheld devices
• Portable medical equipment
• Industrial control systems
• Data loggers
• Telematics

Technical Specifications

Parameter Value Supply Voltage 2.7V to 5.5V Operating Temperature -40°C to +85°C Package Type 8-pin TDFN Interface Type Serial (SPI)

Overall, the MAX6901ETA from Maxim Integrated offers a reliable and efficient solution for timekeeping in electronic systems, combining accurate time measurement with a user-friendly interface and a robust feature set.