1 Features
• TMP119 high-accuracy temperature sensor
– ±0.03°C (typical) from 0°C to 45°C
– ±0.08°C (maximum) from 0°C to 45°C
– ±0.09°C (maximum) from –25°C to 85°C
– ±0.12°C (maximum) from –40°C to 85°C
– ±0.15°C (maximum) from –55°C to 125°C
– ±0.2°C (maximum) from –55°C to 150°C
• Operating temperature range: –55°C to 150°C
• Low power consumption:
– 3.5μA, 1Hz conversion cycle
– 150nA shutdown current
• Supply range:
– 1.7V to 5.5V from –55°C to 70°C
– 1.8V to 5.5V from –55°C to 150°C
• 16-bit resolution: 0.0078°C (1 LSB)
• Programmable temperature alert limits
• Selectable averaging
• Strain Tolerance
• Digital offset for system correction
• General-purpose EEPROM: 48 bits
• NIST traceability
• SMBus™, I2C interface compatibility
• Medical grade: helps meet ASTM E1112 and ISO
80601-2-56
• RTDs replacement: PT100, PT500, PT1000

2 Applications
• Electronic thermometers
• Wireless environmental sensors
• Thermostats
• Automotive test equipment
• Wearable fitness and activity monitors
• Cold chain asset tracking
• Gas meters and heat meters
• Temperature transmitters

3 Description
The TMP119 is a high-precision digital temperature
sensor. The device is designed to help meet
ASTM E1112 and ISO 80601 accuracy requirements
for electronic patient thermometers. The TMP119
provides a 16-bit temperature result with a resolution
of 0.0078°C and an accuracy of up to ±0.08°C
across the temperature range of 0°C to 45°C with
no calibration. The TMP119 has an interface that is
I2C- and SMBus™-compatible, programmable alert
functionality, and the device can support up to four
devices on a single bus. Integrated EEPROM is
included for device programming with an additional
48-bits memory available for general use. The
TMP119 operates from 1.7V to 5.5V and typically
consumes 3.5μA for a 1Hz conversion cycle.
For non-medical applications, the TMP119 can serve
as a single chip digital alternative to a Platinum
RTD. The TMP119 has an accuracy comparable to
a Class AA RTD, while only using a fraction of the
power of the power typically needed for a PT100
RTD. The TMP119 simplifies the design effort by
removing many of the complexities of RTDs such
as precision references, matched traces, complicated
algorithms, and calibration. The device is designed
to be strain tolerant, allowing robustness over typical
strains often seen in PCB manufacturing, including
device soldering, molding, underfill, and board flexing.
The TMP119 units are 100% tested on a production
setup that is NIST traceable and verified with
equipment that is calibrated to ISO/IEC 17025
accredited standards.