ON Semiconductor ADT7461AARMZ-R Temperature Sensor

The ADT7461AARMZ-R is a high-performance temperature sensor from ON Semiconductor, designed to offer precise temperature monitoring with a digital output. This compact sensor is housed in an 8-lead MSOP package, making it ideal for space-constrained applications where accurate temperature data is critical.

Key Features

• Accuracy: The ADT7461AARMZ-R provides a ±1°C accuracy for on-chip temperature measurements and a ±3°C accuracy for remote diode temperature measurements.
• Dual-Channel: It features a local temperature sensor and a remote temperature sensor input, allowing it to monitor both its own temperature and that of a discrete diode-connected transistor, which can be used to monitor the temperature of a processor or another IC.
• Programmable Resolution: The temperature data can be read with a programmable resolution from 8 to 12 bits, offering flexibility in the level of detail required for different applications.
• SMBus Interface: Communication with the ADT7461AARMZ-R is achieved through the SMBus (System Management Bus) serial interface, which is compatible with I²C for easy integration into existing systems.
• Low Voltage Operation: This sensor operates at a supply voltage range of 3.0V to 3.6V, making it suitable for low voltage systems and helping to conserve power in battery-operated devices.
• Programmable Alert Outputs: It includes programmable overtemperature and undertemperature alert outputs, which can trigger a system response when temperatures exceed predefined thresholds.

Applications

The ADT7461AARMZ-R is versatile and can be used in a variety of applications where temperature monitoring is necessary. It is particularly well-suited for:

• Desktop and Notebook Computers
• Embedded Systems
• Industrial Controllers
• Environmental Monitoring Systems
• Telecommunications Equipment

Conclusion

With its precise temperature measurement capabilities, flexible interface options, and compact form factor, the ON Semiconductor ADT7461AARMZ-R temperature sensor is an excellent choice for designers looking to integrate reliable temperature monitoring into their systems. Whether it's for computer hardware, industrial machinery, or environmental systems, this sensor ensures accurate temperature readings and system protection against thermal runaways.