Overview
The TMP117AIYBGR is a high-accuracy, low-power digital temperature sensor produced by Texas Instruments. It is designed to meet stringent requirements for temperature measurement, particularly in medical and industrial applications. The sensor offers high precision with an accuracy of up to ±0.1 °C across the temperature range of –20 °C to 50 °C, making it suitable for applications where precise temperature monitoring is crucial.
The TMP117 is compliant with ASTM E1112 and ISO 80601-2-56 standards, ensuring its reliability in medical-grade applications such as electronic patient thermometers. It also serves as a single-chip digital alternative to Platinum RTDs (PT100, PT500, PT1000), offering a simpler and more power-efficient solution.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Temperature Accuracy | ±0.1 °C (–20 °C to 50 °C) | °C |
| Temperature Accuracy | ±0.15 °C (–40 °C to 70 °C) | °C |
| Temperature Accuracy | ±0.2 °C (–40 °C to 100 °C) | °C |
| Temperature Accuracy | ±0.25 °C (–55 °C to 125 °C) | °C |
| Temperature Accuracy | ±0.3 °C (–55 °C to 150 °C) | °C |
| Operating Temperature Range | –55 °C to 150 °C | °C |
| Power Consumption | 3.5 µA (1-Hz conversion cycle), 150 nA (shutdown) | µA/nA |
| Supply Voltage Range | 1.7 V to 5.5 V (–55 °C to 70 °C), 1.8 V to 5.5 V (–55 °C to 150 °C) | V |
| Resolution | 16-bit, 0.0078 °C (1 LSB) | °C |
| Interface | SMBus™, I2C-compatible | |
| EEPROM | 48 bits | bits |
| NIST Traceability | Yes |
Key Features
- High Accuracy: Up to ±0.1 °C accuracy across the temperature range of –20 °C to 50 °C.
- Low Power Consumption: 3.5 µA during a 1-Hz conversion cycle and 150 nA in shutdown mode.
- Programmable Temperature Alert Limits: Allows for setting custom temperature thresholds.
- Selectable Averaging: Enhances measurement stability and accuracy.
- Digital Offset for System Correction: Enables system-level calibration.
- General-Purpose EEPROM: 48 bits of memory available for device programming and general use.
- SMBus™ and I2C Interface Compatibility: Supports multiple devices on a single bus.
- Medical Grade Compliance: Meets ASTM E1112 and ISO 80601-2-56 standards.
- RTD Replacement: Can replace PT100, PT500, and PT1000 RTDs with higher accuracy and lower power consumption.
Applications
- Electronic Thermometers: Ideal for precise temperature measurement in medical devices.
- Wireless Environmental Sensors: Suitable for monitoring temperature in various environmental conditions.
- Thermostats: Used in heating and cooling systems for accurate temperature control.
- Automotive Test Equipment: For precise temperature monitoring in automotive applications.
- Wearable Fitness and Activity Monitors: For health and fitness tracking devices.
- Cold Chain Asset Tracking: Ensures temperature monitoring in logistics and supply chain management.
- Gas Meters and Heat Meters: For accurate measurement in utility meters.
- Temperature Transmitters: Used in industrial automation for temperature monitoring.
Q & A
- What is the temperature accuracy of the TMP117AIYBGR?
The TMP117AIYBGR has a temperature accuracy of up to ±0.1 °C across the temperature range of –20 °C to 50 °C.
- What is the operating temperature range of the TMP117AIYBGR?
The operating temperature range is –55 °C to 150 °C.
- What is the power consumption of the TMP117AIYBGR?
The power consumption is 3.5 µA during a 1-Hz conversion cycle and 150 nA in shutdown mode.
- What interface protocols does the TMP117AIYBGR support?
The TMP117AIYBGR supports SMBus™ and I2C interface protocols.
- Does the TMP117AIYBGR have any built-in memory?
Yes, it has 48 bits of general-purpose EEPROM.
- Is the TMP117AIYBGR compliant with medical standards?
Yes, it meets ASTM E1112 and ISO 80601-2-56 standards.
- Can the TMP117AIYBGR replace traditional RTDs?
Yes, it can replace PT100, PT500, and PT1000 RTDs with higher accuracy and lower power consumption.
- What is the resolution of the TMP117AIYBGR?
The resolution is 16-bit, which translates to 0.0078 °C per LSB.
- Does the TMP117AIYBGR support programmable temperature alerts?
Yes, it supports programmable temperature alert limits.
- Is the TMP117AIYBGR NIST traceable?
Yes, the TMP117AIYBGR units are 100% tested on a production setup that is NIST traceable.
