Overview
The TMP117NAIYBGR, produced by Texas Instruments, is a high-precision digital temperature sensor designed to meet stringent requirements for electronic patient thermometers. It complies with ASTM E1112 and ISO 80601-2-56 standards, ensuring high accuracy and reliability. The sensor provides a 16-bit temperature result with a resolution of 0.0078°C and an accuracy of up to ±0.1°C across the temperature range of –20°C to 50°C without calibration. Its low power consumption and wide operating temperature range make it suitable for various medical and non-medical applications.
Key Specifications
| Parameter | Value |
|---|---|
| Temperature Accuracy | ±0.1°C from –20°C to 50°C, ±0.15°C from –40°C to 70°C, ±0.2°C from –40°C to 100°C, ±0.25°C from –55°C to 125°C, ±0.3°C from –55°C to 150°C |
| Operating Temperature Range | –55°C to 150°C |
| Power Consumption | 3.5-µA (1-Hz conversion cycle), 150-nA (shutdown current) |
| 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) |
| Resolution | 16-bit, 0.0078°C (1 LSB) |
| Interface | SMBus™, I²C-compatible |
| EEPROM | 48 bits, general-purpose |
| Package | 6-pin DSBGA (YBG) |
Key Features
- High-accuracy temperature sensing with NIST traceability
- Programmable temperature alert limits and selectable averaging
- Digital offset for system correction
- Low power consumption to minimize self-heating impact
- SMBus™ and I²C interface compatibility
- Medical grade compliance with ASTM E1112 and ISO 80601-2-56
- Replacement for PT100, PT500, and PT1000 RTDs
- Integrated 48-bit general-purpose EEPROM
Applications
- Electronic patient thermometers
- Wireless environmental sensors
- Thermostats
- Automotive test equipment
- Wearable fitness and activity monitors
- Cold chain asset tracking
- Gas meters and heat meters
- Temperature transmitters
Q & A
- What is the temperature accuracy of the TMP117? The TMP117 has an accuracy of up to ±0.1°C from –20°C to 50°C, ±0.15°C from –40°C to 70°C, and so on up to ±0.3°C from –55°C to 150°C.
- What is the operating temperature range of the TMP117? The operating temperature range is –55°C to 150°C.
- How much power does the TMP117 consume? The TMP117 consumes 3.5-µA during a 1-Hz conversion cycle and 150-nA in shutdown mode.
- What is the supply voltage range for the TMP117? The supply voltage range is 1.7 V to 5.5 V from –55°C to 70°C and 1.8 V to 5.5 V from –55°C to 150°C.
- What is the resolution of the TMP117? The resolution is 16-bit, which translates to 0.0078°C per least significant bit (LSB).
- Is the TMP117 compatible with any specific interfaces? Yes, it is compatible with SMBus™ and I²C interfaces.
- Does the TMP117 have any integrated memory? Yes, it includes 48 bits of general-purpose EEPROM.
- What standards does the TMP117 comply with? The TMP117 complies with ASTM E1112 and ISO 80601-2-56 standards.
- Can the TMP117 replace traditional RTDs? Yes, it can replace PT100, PT500, and PT1000 RTDs.
- What are some common applications of the TMP117? Common applications include electronic patient thermometers, wireless environmental sensors, thermostats, and more.
