Maxim Integrated MAX35101EHJ+ Time-to-Digital Converter

The Maxim Integrated MAX35101EHJ+ is a state-of-the-art time-to-digital converter designed to provide precise time measurements for heat and flow metering applications. This highly integrated device is engineered to simplify the design and improve the accuracy of systems that require time interval measurement, such as residential smart water meters, gas meters, and heat meters.

Key Features

• High Precision: The MAX35101EHJ+ offers exceptional precision with its time-to-digital conversion capabilities, ensuring accurate flow and thermal energy measurements.
• Integrated Temperature Sensor: An on-chip temperature sensor allows for temperature compensation and provides additional data for thermal energy calculations.
• Low Power Consumption: Designed for battery-operated devices, the MAX35101EHJ+ features a low-power standby mode, contributing to extended battery life in metering applications.
• Automatic Timing Sequences: The device supports programmable automatic timing sequences, reducing the need for continuous microcontroller intervention and further conserving power.
• Event Timing Engine: Its event timing engine can measure the time difference between two events with picosecond resolution, which is essential for accurate flow rate detection.
• Communication: The MAX35101EHJ+ includes a built-in SPI interface for easy communication with microcontrollers.

Applications

The MAX35101EHJ+ is ideal for a wide range of applications where precise time interval measurements are critical. These include:

• Smart water and gas metering
• Heat metering and energy monitoring
• Industrial flow measurement

Package and Reliability

The device is offered in a 32-pin TQFN package with an exposed pad for enhanced thermal performance. It operates over the -40°C to +85°C temperature range, ensuring reliable performance in a variety of environmental conditions.

With its combination of precision, integration, and power efficiency, the Maxim Integrated MAX35101EHJ+ is a robust solution for advanced metering infrastructure and is poised to contribute to the efficiency and accuracy of next-generation metering systems.