(ACTIVE) ±0.2°C Accurate Digital Temperature Sensor With NV Memory


Functional Diagram


The TMP116 (TMP116, TMP116N) is a family of low-power, high-precision temperature sensors with integrated EEPROM memory. The TMP116 provides a 16-bit temperature result with a resolution of 0.0078°C and an accuracy of up to ±0.2°C with no calibration. The TMP116 is I2C- and SMBus-interface compatible, has programmable alert functionality, and can support up to four devices on a single bus.

The TMP116 consumes minimal current that, in addition to providing power savings, minimizes self-heating and improves measurement accuracy. The TMP116 operates from 1.9 V to 5.5 V and typically consumes 3.5 µA.

Across the device operating temperature range of –55°C to +125°C, the TMP116 exceeds the accuracy of a class A RTD, while consuming less than one fifth of the typical excitation current for a PT100 RTD. The TMP116 is easier to use than RTDs, eliminating the need for calibration, external circuitry, matched traces, and Kelvin connections.

The TMP116 units are 100% tested on a production setup that is NIST traceable and verified with equipment that is calibrated to ISO/IEC 17025 accredited standards.


  • TMP116 Accuracy Without Calibration:
    • ±0.2°C (max) From –10°C to +85°C
    • ±0.25°C (max) From –40°C to +105°C
    • ±0.3°C (max) From +105°C to +125°C
  • TMP116N Accuracy Without Calibration:
    • ±0.3°C (max) From –25°C to +85°C
    • ±0.4°C (max) From –40°C to +125°C
  • Low Quiescent Current:
    • 3.5-µA, 1-Hz Conversion Cycle
    • 250-nA Shutdown Current
  • Supply Range: 1.9 V to 5.5 V
  • Resolution: 16 Bits at 0.0078°C (1 LSB)
  • Programmable Temperature Alert Limits
  • General-Purpose EEPROM: 64 Bits
  • NIST Traceability
  • SMBus™, I2C Interface Compatibility

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Device Type Local    
Interface I2C, SMBus, 2-Wire    
Local Sensor Accuracy (Max) (+/- C) 0.2    
Temp Resolution (Max) (bits) 16    
Operating Temperature Range (C) -55 to 125    
Supply Voltage (Min) (V) 1.9    
Supply Voltage (Max) (V) 5.5    
Supply Current (Max) (uA) 4.5    
Features Programmable Alert^One-Shot Conversion^15ms Conversion Time^EEPROM^250nA Shutdown Current^Programmable Conversion Cycle^Averaging mode^NIST Traceable    
Remote Channels (#) 0    
Addresses 4    
Rating Catalog    
Package Group WSON|6    
Package Size: mm2:W x L (PKG) See datasheet (WSON)    

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Datasheet (1)

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