TMP116
Digital Temperature SensorThe TMP116 is a digital temperature sensor from Texas Instruments. View the full TMP116 datasheet below including key specifications, electrical characteristics, absolute maximum ratings.
Official TMP116 datasheet (PDF) — the source this page was extracted from.
TMP116 Key Specifications
| Parameter | Value |
|---|---|
| Accuracy | ±0.2°C (max, -10°C to +85°C) |
| Resolution | 0.0078°C (16-bit) |
| Memory Size | 64-bit EEPROM |
| Shutdown Current | 250 nA |
| Quiescent Current | 3.5 μA (at 1Hz conversion) |
| Package Dimensions | 2.00mm x 2.00mm |
| Supply Voltage Range | 1.9V to 5.5V |
| Communication Interfaces | I2C, SMBus |
| Operating Temperature Range | -55°C to 150°C |
TMP116 Overview
Part: TMP116N (TMP116NAIDRVR) — Texas Instruments
Type: Digital Temperature Sensor (I²C/SMBus)
Description: 1.9–5.5 V, 16-bit (0.0078125 °C LSB) digital temperature sensor with ±0.3 °C (max, -25 °C to +85 °C) accuracy for TMP116N, 3.5 μA typical quiescent current at 1 Hz, integrated 64-bit EEPROM and programmable alert.
Operating Conditions:
- Supply voltage: 1.9–5.5 V
- Operating temperature: -55 to +125 °C (electrical characteristics specified over this range)
- Interface: two-wire, SMBus and I²C compatible, SCL 1–400 kHz
Absolute Maximum Ratings:
- Max supply voltage: 6 V
- Voltage at SCL, SDA, ALERT, ADD0: -0.3 to 6 V
- Max junction temperature: 150 °C
- Storage temperature: -65 to 150 °C
- ESD: HBM ±2000 V, CDM ±1000 V
Key Specs:
- TMP116N accuracy: ±0.3 °C max (-25 to +85 °C, V+ = 3.3 V); ±0.4 °C max (-40 to +125 °C, V+ = 3.0–3.6 V); ±0.5 °C max (-40 to +125 °C, V+ = 1.9–5.5 V)
- TMP116 accuracy: ±0.2 °C max (-10 to +85 °C, V+ = 3.3 V); ±0.25 °C max (-40 to +105 °C, V+ = 3.0–3.6 V)
- Resolution: 7.8125 m°C (16 bit)
- Quiescent current: 3.5 μA typ, 4.5 μA max (1 Hz, averaging off, 25 °C); 135 μA typ, 220 μA max during active conversion
- Shutdown current: 0.25 μA typ, 0.5 μA max (25 °C)
- Active conversion time: 15.5 ms typ (13.5–17 ms)
- Digital logic levels: VIH min 0.7·V+, VIL max 0.3·V+; VOL max 0.4 V at 3 mA sink
- EEPROM: 1,000 writes min, 10 years data retention min
- Power-on reset 1.6 V (V+ rising), power-up time 1.5 ms
Features:
- Accuracy without calibration
- Low quiescent current
- Programmable temperature alert limits
- Selectable averaging
- 64-bit general-purpose EEPROM
- NIST traceability
- SMBus and I²C compatible; up to four devices on one bus (ADD0 pin)
Applications:
- Medical grade (meets ASTM and ISO spec)
- Environmental monitoring and thermostats
- Wearables
- Asset tracking and cold chain
- Gas meters and heat meters
- Test and measurement
- RTD replacement (PT100, PT500, PT1000)
- Cold-junction compensation of thermocouples
Package:
- WSON (DRV), 6 pins, 2.00 mm × 2.00 mm
TMP116 Features
- 1 · TMP116 accuracy without calibration:
- -±0.2°C (maximum) from -10°C to +85°C
- -±0.25°C (maximum) from -40°C to +105°C
- -±0.3°C (maximum) from +105°C to +125°C
- TMP116N accuracy, no calibration needed:
- -±0.3°C (maximum) from -25°C to +85°C
- -±0.4°C (maximum) from -40°C to +125°C
- Low Quiescent Current:
- -3.5μ A, 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
- Selectable averaging
- General-purpose EEPROM: 64 bits
- NIST traceability
- SMBus™, I 2 C interface compatibility
TMP116 Applications
- Medical grade: meets ASTM and ISO spec
- Environmental monitoring and thermostats
- Wearables
- Asset tracking and cold chain
- Gas meters and heat meters
- Test and measurement
- RTDs replacement: PT100, PT500, PT1000
- Cold-junction compensation of thermocouples
SPACER
TMP116 Pin Configuration
TMP116 Electrical Characteristics
minimum and maximum specifications are over -55°C to +125°C and V+ = 1.9 V to 5.5 V (unless otherwise noted); typical specifications are at TA = 25°C and V+ = 3.3 V
| PARAMETER | PARAMETER | TEST CONDITIONS | MIN | TYP | MAX | UNIT |
|---|---|---|---|---|---|---|
| TEMPERATURE-TO-DIGITAL CONVERTER | TEMPERATURE-TO-DIGITAL CONVERTER | TEMPERATURE-TO-DIGITAL CONVERTER | TEMPERATURE-TO-DIGITAL CONVERTER | TEMPERATURE-TO-DIGITAL CONVERTER | TEMPERATURE-TO-DIGITAL CONVERTER | TEMPERATURE-TO-DIGITAL CONVERTER |
| Temperature accuracy (1) TMP116 | -10°C to +85°C, V+ = 3.3 V -40°C to +105°C, V+ = 3.0 V to +105°C to +125°C, V+ = 3.0 V | -0.2 | ±0.1 | 0.2 | °C | |
| 3.6 V | -0.25 | ±0.2 | 0.25 | °C | ||
| to 3.6 V | -0.3 | ±0.25 | 0.3 | °C | ||
| -40°C to +125°C, V+ = 1.9 V to 5.5 V (2) | -0.4 | ±0.3 | 0.4 | °C | ||
| TMP116N | -25°C to +85°C, V+ = 3.3 V | -0.3 | ±0.2 | 0.3 | °C | |
| -40°C to +125°C, V+ = 3.0 V to 3.6 V | -0.4 | ±0.3 | 0.4 | °C | ||
| -40°C to +125°C V+ = 1.9 V to 5.5 V (2) | -0.5 | ±0.4 | 0.5 | °C | ||
| DC power-supply sensitivity | DC power-supply sensitivity | One-shot mode, 8 averages, T A = 25°C | 0 | 20 | 55 | m°C/V |
| Temperature resolution (LSB) | Temperature resolution (LSB) | 7.8125 | m°C | |||
| Repeatability (3) | Repeatability (3) | V+ = 3.3 V, 8 averages, 1-Hz sampling | ±1 | LSB | ||
| Long-term stability and drift | Long-term stability and drift | 300 hours at 150°C (4) | ±0.02 | °C | ||
| Temperature cycling and hysteresis (1)(5) | Temperature cycling and hysteresis (1)(5) | ±1 | LSB | |||
| DIGITAL INPUT/OUTPUT | DIGITAL INPUT/OUTPUT Input capacitance | DIGITAL INPUT/OUTPUT | DIGITAL INPUT/OUTPUT | DIGITAL INPUT/OUTPUT 3 | DIGITAL INPUT/OUTPUT | DIGITAL INPUT/OUTPUT pF |
| V IH | Input logic high level | 0.7 (V+) | V | |||
| V IL | Input logic low level | 0.3 (V+) | V | |||
| I IN | Input current | -0.2 | 0.2 | μA | ||
| V OL S | SDA output logic low level | I OL = -3 mA | 0 | 0.4 | V | |
| V OL A | ALERT output logic low level | I OL = -3 mA | 0 | 0.4 | V | |
| POWER SUPPLY | POWER SUPPLY | POWER SUPPLY | POWER SUPPLY | POWER SUPPLY | POWER SUPPLY | POWER SUPPLY |
| I Q | Quiescent current | Active conversion, serial bus inactive | 135 | 220 | μA | |
| I Q | 1-Hz conversion cycle, averaging mode off, serial bus inactive, 25°C | 3.5 | 4.5 | μA | ||
| I Q | 1-Hz conversion cycle, 8 averages mode, serial bus inactive, 25°C | 16 | 22 | μA | ||
| I Q | 1-Hz conversion cycle, averaging mode off, serial bus active, SCL frequency = 400 kHz | 21 | μA | |||
| I SB | Standby current (6) | Serial bus inactive, SCL and SDA = V+, 25°C | 1.25 | 2.1 | μA | |
| Serial bus inactive, SCL and SDA = V+, 25°C | 0.25 | 0.5 | μA | |||
| I SD | Shutdown current | Serial bus inactive, SCL and SDA = V+, 125°C | 8.5 | |||
| I SD | Serial bus active, SCL frequency = 400 kHz | 17 | ||||
| I EE | EEPROM write quiescent current | ADC conversion off; serial bus inactive | 240 | μA | ||
| V POR | Power-on-reset threshold voltage | V+ rising | 1.6 | V | ||
| Brownout detect | V+ falling | 1.1 | V | |||
| Reset time | Time required by device to reset | 1.5 | ms | |||
| Active conversion time | 1 conversion | 13.5 | 15.5 | 17 | ms |
TMP116 Absolute Maximum Ratings
| MIN | MAX | UNIT | |
|---|---|---|---|
| Supply voltage, V+ | -0.3 | 6 | V |
| Voltage at SCL, SDA, ALERT, and ADD0 | -0.3 | 6 | V |
| Operating junction temperature, T J | -55 | 150 | °C |
| Storage temperature, T stg | -65 | 150 | °C |
TMP116 Recommended Operating Conditions
| MIN | NOM | MAX | UNIT | ||
|---|---|---|---|---|---|
| V+ | Supply voltage | 1.9 | 3.3 | 5.5 | V |
| T A | Operating free-air temperature | -55 | 150 | °C |
TMP116 Thermal Information
| THERMAL METRIC | (1) | TMP116 DRV (WSON) 6 PINS | UNIT |
|---|---|---|---|
| R θ JA | Junction-to-ambient thermal resistance | 68.7 | °C/W |
| R θ JC(top) | Junction-to-case (top) thermal resistance | 70.3 | °C/W |
| R θ JC(bot) | Junction-to-case (bottom) thermal resistance | 9.5 | °C/W |
| R θ JB | Junction-to-board thermal resistance | 38.3 | °C/W |
| ψ JT | Junction-to-top characterization parameter | 1.7 | °C/W |
| ψ JB | Junction-to-board characterization parameter | 38.6 | °C/W |
| M T | Thermal Mass | 5.1 | mJ/°C |
TMP116 Typical Application
The TMP116 is used to measure the temperature of the board location where the device is mounted. The programmable address options allow up to four locations on the board to be monitored on a single serial bus.
Variants on the same datasheet
These parts have exact links to the same datasheet. They are candidates to compare, not verified drop-in replacements; check package, pinout and electrical limits.
| Part Number | Manufacturer | Package |
|---|---|---|
| TMP116N | Texas Instruments | WSON-6 2x2mm |
| TMP116NAIDRVR | Texas Instruments | 6-WDFN Exposed Pad |
Other Temperature Sensors
- BME280 – Bosch Sensortec, Digital Humidity, Pressure, and Temperature Sensor
- SHT30 – Sensirion, Humidity and Temperature Sensor
- Si7021 – Silicon Labs, I2C Humidity and Temperature Sensor
- SHT31-DIS-B2.5kS – Sensirion, Digital Humidity and Temperature Sensor
- TMP116NAIDRVR – Texas Instruments, Digital Temperature Sensor
- BME280.C – Bosch Sensortec, Digital Humidity, Pressure, and Temperature Sensor
- BME280.H – Bosch Sensortec, Digital Humidity, Pressure, and Temperature Sensor
- DS18B20 – Analog Devices, Digital Thermometer
All Temperature Sensors datasheetsAll Texas Instruments datasheets (2,418)
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