Texas Instruments

LM77CIMM-3  

Analog and Digital Output

LM77CIMM-3 Description

The LM77CIMM-3 by Texas Instruments is a high-precision digital temperature sensor with an I2C interface, designed for surface-mount applications. Operating within a 3V to 5.5V supply range, it delivers ±1.5°C accuracy (highest) over a -55°C to +125°C range, making it suitable for demanding thermal management tasks. With a 9-bit resolution, it provides reliable temperature monitoring for systems requiring moderate granularity. The sensor is housed in an 8-pin VSSOP package and is available in Tape & Reel (TR) for automated assembly.

LM77CIMM-3 Features

• Digital Output (I2C): Enables easy integration with microcontrollers and digital systems.
• Programmable Limit & Output Switch: Allows customizable temperature thresholds for system control.
• Shutdown Mode: Reduces power consumption when inactive.
• High Accuracy (±1.5°C): Ensures precise thermal monitoring in critical applications.
• Wide Operating Range (-55°C to +125°C): Ideal for extreme environments.
• Moisture Sensitivity Level (MSL 1): Suitable for long-term storage without baking requirements.
• REACH Unaffected & EAR99 ECCN: Compliant with environmental and export regulations.

LM77CIMM-3 Applications

• Industrial Control Systems: Monitoring equipment temperature to prevent overheating.
• Consumer Electronics: Thermal management in smart devices and IoT applications.
• Automotive Systems: Reliable sensing in harsh operating conditions.
• Medical Devices: Ensuring safe temperature ranges in diagnostic and therapeutic equipment.
• Power Management: Protecting batteries and power ICs from thermal stress.

Conclusion of LM77CIMM-3

The LM77CIMM-3 stands out for its robust accuracy, flexible programmability, and low-power operation, making it a strong choice for applications requiring dependable digital temperature sensing. Though marked obsolete, its I2C interface, shutdown capability, and wide voltage range ensure continued relevance in legacy and specialized designs. Engineers seeking a cost-effective, high-performance thermal sensor with easy integration will find this device well-suited for industrial, automotive, and consumer applications.

LM77CIMM-3 Documents

Download datasheets and manufacturer documentation for LM77CIMM-3