Overview
The TMP116NAIDRVR, produced by Texas Instruments, is a high-accuracy, low-power digital temperature sensor. It belongs to the TMP116 family, which includes the TMP116 and TMP116N models. This sensor is designed to provide precise temperature measurements with a resolution of 0.0078°C and an accuracy of up to ±0.2°C without the need for calibration. The TMP116 is compatible with both I2C and SMBus interfaces and supports up to four devices on a single bus, making it versatile for various applications.
The device operates over a wide temperature range of –55°C to +125°C and consumes minimal power, typically 3.5 µA during a 1-Hz conversion cycle and 250 nA in shutdown mode. This low power consumption minimizes self-heating and improves measurement accuracy. The TMP116 also features programmable temperature alert limits, selectable averaging, and a general-purpose EEPROM for storing configuration and alert settings.
Key Specifications
| Parameter | Min | Max | Unit | |
|---|---|---|---|---|
| Supply Voltage (V+) | 1.9 | - | 5.5 | V |
| Temperature Accuracy (TMP116) | -0.2 | - | 0.2 | °C (–10°C to +85°C) |
| Temperature Accuracy (TMP116) | -0.25 | - | 0.25 | °C (–40°C to +105°C) |
| Temperature Accuracy (TMP116) | -0.3 | - | 0.3 | °C (+105°C to +125°C) |
| Temperature Accuracy (TMP116N) | -0.3 | - | 0.3 | °C (–25°C to +85°C) |
| Temperature Accuracy (TMP116N) | -0.4 | - | 0.4 | °C (–40°C to +125°C) |
| Resolution | - | - | - | 16 bits at 0.0078°C (1 LSB) |
| Quiescent Current (1-Hz conversion cycle) | - | 3.5 | - | µA |
| Shutdown Current | - | 250 | - | nA |
| Operating Junction Temperature | –55 | - | 150 | °C |
| Storage Temperature | –65 | - | 150 | °C |
Key Features
- High accuracy: Up to ±0.2°C without calibration.
- Low power consumption: 3.5 µA during a 1-Hz conversion cycle and 250 nA in shutdown mode.
- Wide supply range: 1.9 V to 5.5 V.
- High resolution: 16 bits at 0.0078°C (1 LSB).
- Programmable temperature alert limits.
- Selectable averaging.
- General-purpose EEPROM: 64 bits.
- NIST traceability.
- SMBus™ and I2C interface compatibility.
- Supports up to four devices on a single bus.
Applications
- Medical grade: Meets ASTM and ISO specifications.
- 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.
Q & A
- What is the accuracy of the TMP116 temperature sensor?
The TMP116 has an accuracy of up to ±0.2°C from –10°C to +85°C, ±0.25°C from –40°C to +105°C, and ±0.3°C from +105°C to +125°C without calibration.
- What is the power consumption of the TMP116?
The TMP116 typically consumes 3.5 µA during a 1-Hz conversion cycle and 250 nA in shutdown mode.
- What is the supply voltage range for the TMP116?
The supply voltage range for the TMP116 is from 1.9 V to 5.5 V.
- What is the resolution of the TMP116 temperature sensor?
The TMP116 has a resolution of 16 bits at 0.0078°C (1 LSB).
- Does the TMP116 support multiple devices on a single bus?
Yes, the TMP116 supports up to four devices on a single bus.
- What interfaces does the TMP116 support?
The TMP116 is compatible with both I2C and SMBus interfaces.
- What is the operating temperature range of the TMP116?
The operating temperature range of the TMP116 is from –55°C to +125°C.
- Does the TMP116 have programmable temperature alert limits?
Yes, the TMP116 has programmable temperature alert limits.
- What is the purpose of the EEPROM in the TMP116?
The EEPROM in the TMP116 is used for storing the reset values of configuration and alert registers, as well as for general-purpose use.
- Is the TMP116 suitable for medical applications?
Yes, the TMP116 meets ASTM and ISO specifications, making it suitable for medical grade applications.
