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TMP116AIDRVR

High-accuracy ±0.2°C digital temp sensor, 16-bit, I2C, 64-bit EEPROM, WSON-6, 3.5µA

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Manufacturer Part：

TMP116AIDRVR

Package：

WSON-6 (2.00 x 2.00 mm)

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Description

Product Overview

The TMP116AIDRVR from Texas Instruments is a high-accuracy digital temperature sensor with 64-bit non-volatile EEPROM memory. It achieves ±0.2°C maximum accuracy from -10°C to +85°C without calibration, exceeding Class A RTD performance. Packaged in a tiny 2mm x 2mm WSON-6 package, it operates from 1.9V to 5.5V with only 3.5µA current consumption at 1Hz conversion rate, making it ideal for battery-powered and space-constrained applications.

Key Specifications

Accuracy (no calibration) ±0.2°C max (-10°C to +85°C)
Accuracy (extended) ±0.25°C max (-40°C to +105°C)
Resolution 16-bit (0.0078°C/LSB)
Supply Voltage Range 1.9V to 5.5V
Quiescent Current (1Hz) 3.5µA
Shutdown Current 250nA
Interface I2C / SMBus compatible
EEPROM 64 bits general-purpose
Alert Function Programmable temperature alert limits
NIST Traceability Yes (100% production tested)
Operating Temperature -55°C to +125°C
Package WSON-6 (2.00 x 2.00 mm)

Features

  • No calibration required: ±0.2°C accuracy
  • 16-bit resolution: 0.0078°C per LSB
  • Ultra-low power: 3.5µA at 1Hz, 250nA shutdown
  • 64-bit general-purpose EEPROM for user data
  • Programmable temperature alert limits
  • NIST-traceable with ISO/IEC 17025 verification
  • Selectable averaging for noise reduction
  • Up to 4 devices on a single I2C bus

Applications

  • Medical-grade temperature monitoring
  • Wearable health devices
  • Cold chain and asset tracking
  • Gas meters and heat meters
  • RTD replacement (PT100, PT1000)
  • Thermocouple cold junction compensation

The TMP116AIDRVR is a high-precision digital temperature sensor from Texas Instruments that achieves ±0.2°C maximum accuracy from -10°C to +85°C without any calibration, exceeding the performance of Class A RTDs while consuming less than one-fifth of a PT100 RTD’s excitation current. The device provides 16-bit temperature results with 0.0078°C resolution, programmable alert functionality, and 64 bits of general-purpose EEPROM for storing calibration coefficients or system identification. All units are 100% production tested on NIST-traceable equipment verified to ISO/IEC 17025 standards. The tiny 2mm x 2mm WSON-6 package and 3.5µA operating current at 1Hz conversion rate make it ideal for battery-powered, space-constrained applications such as wearable health monitors, cold chain loggers, and portable instrumentation.

The TMP116AIDRVR uses an internal bandgap-referenced temperature-sensing element followed by a 16-bit ADC to digitize the temperature reading. The device communicates via I2C/SMBus interface, supporting up to four devices on a single bus through the ADD0 address select pin. Temperature conversion is performed at a user-configurable rate, with selectable averaging of 1, 8, 32, or 64 samples to trade off noise versus power consumption. The programmable alert comparator monitors temperature against high and low limits stored in configuration registers, asserting the open-drain ALERT pin when thresholds are crossed. The 64-bit EEPROM stores user data across power cycles, useful for serialization or calibration metadata. In shutdown mode, the ADC and sensor are powered down while I2C communication remains active, reducing current to 250nA.

Pin Name Type Description
1 SCL Input I2C serial clock; open-drain, requires external pullup
2 GND Ground Device ground
3 ALERT Output Temperature alert output; open-drain, active low when threshold exceeded
4 ADD0 Input I2C address select; connect to GND, V+, SDA, or SCL for 4 possible addresses
5 SDA I/O I2C serial data; open-drain, requires external pullup
6 V+ Power Supply voltage input (1.9V to 5.5V); bypass with 0.1µF capacitor
  • Medical Temperature Monitoring: Provides ASTM and ISO-compliant temperature measurement for clinical thermometers and patient monitoring with ±0.2°C accuracy eliminating RTD calibration complexity
  • Wearable Health Devices: Monitors skin temperature in smartwatches and medical wearables with 3.5µA current enabling months of operation from coin cells and 2mm x 2mm footprint fitting ultra-thin designs
  • Cold Chain Logistics: Logs temperature during pharmaceutical and food transport using EEPROM for threshold violation records and 250nA shutdown preserving battery during storage
  • Gas and Heat Metering: Replaces PT100 RTDs in gas volume correction and heat energy calculation with higher accuracy, zero self-heating, and no excitation current requirements
  • Thermocouple Cold Junction Compensation: Provides ±0.2°C reference junction temperature at the thermocouple-to-copper transition point, improving overall thermocouple system accuracy without additional calibration
Model Manufacturer Accuracy Supply Key Difference
TMP116NAIDRVR TI ±0.3°C 1.9-5.5V Lower accuracy grade, lower cost
TMP117AIDRVR TI ±0.1°C 1.8-5.5V Higher accuracy, next-generation
SHT40-AD1B-R3 Sensirion ±0.2°C 1.8-3.6V Combined humidity and temperature sensor
ADT7420 ADI ±0.25°C 2.7-5.5V 16-bit, larger LFCSP-16 package
MCP9808T-E/MC Microchip ±0.25°C 2.7-5.5V Higher accuracy than standard, DFN-8
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Service & Packaging

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Contact Information

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Email: info@materialparts.com
Tel / WhatsApp: +86 13760382860
Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong, China
 

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