DALLAS, Oct. 25, 2018 /PRNewswire/ -- Texas Instruments (TI) TXN today introduced a new temperature sensor family that offers ±0.1°C accuracy across a wide temperature range and helps simplify system design for industrial and medical applications. The TMP117 is the first single-chip temperature sensor to offer similar performance to platinum resistance temperature detectors (RTDs) while significantly reducing design complexity and power consumption, and the TMP117M, a digital temperature sensor for medical applications, supports requirements for medical thermometers. The new devices enable engineers to more quickly develop highly accurate, ultra-low-power patient monitoring, field transmitter and metering applications. For more information, see www.ti.com/TMP117-pr.

Achieve high accuracy without calibration
Delivering ±0.1°C accuracy across a wide range, with zero calibration during manufacturing, the new sensor family saves designers time and reduces production costs for systems requiring high accuracy.

• Supports clinical temperature requirements: For medical applications, the TMP117M provides ± 0.1°C accuracy from 30°C to 45°C and supports American Society for Testing and Materials (ASTM) E1112 and International Organization for Standardization (ISO) 80601 requirements for patient thermometers.
• Achieve Class-AA RTD accuracy for industrial applications: The TMP117 provides a direct readout of temperature, with no additional linearization or acquisition error, and maintains accurate temperature over a wide range:
• ±0.1°C from -20°C to +50°C.
• ±0.15°C from -40°C to +50°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.

Minimize system and software complexity
TI's new digital temperature sensors enable engineers to:

• Reduce system complexity: With the TMP117, engineers gain the accuracy required for their application without the design and manufacturing complexity of typical solutions. Comparatively, to achieve a similar level of accuracy with a platinum RTD, engineers must select a multitude of precision components, simulate and fine-tune the circuit, carefully lay out the PCB to avoid impedance mismatches, develop software to linearize the output and calibrate each system.
• Accelerate design time: The TMP117 and TMP117M are I²C- and SMBus™-interface compatible and provide a direct digital readout of the temperature, which significantly reduces design, layout and simulation time, and speeds time to market.

Slash power usage by up to 95 percent
Using only 6.3 µW, the TMP117 and TMP117M enable engineers to achieve longer battery life and more accurate temperature measurement in their designs.

• Use significantly less power: The TMP117 consumes up to 95 percent less power than a typical RTD measurement system, enabling designers to meet tight power budgets in field transmitters or battery-powered applications.
• Minimize the impact of self-heating: The low-power consumption of the TMP117 and TMP117M minimizes the impact of self-heating, enabling more accurate temperature measurement.

The TMP117 and TMP117M join TI's portfolio of digital temperature sensors that enable engineers to integrate smart thermal monitoring into their designs, choosing from high-accuracy, low-power and small-package options.

Tools and support to speed design
Engineers can jump-start the design of their high-accuracy applications with the TMP117EVM Evaluation Board.

Package, availability and pricing
TMP117M digital temperature sensor for medical applications and the TMP117 digital temperature sensor are now available in volume quantities through the TI store. Both devices are available in 6-pin WSON no-lead packaging. The TMP117 digital temperature sensor and TMP117M digital temperature sensor for medical applications are priced at US$1.60 and US$2.44 respectively, in 1,000-unit quantities.

Learn more from TI's sensing experts

• Download the TMP117 digital temperature sensor data sheet.
• Read about high accuracy in these application notes:
• "RTD Replacement in Heat Meter and Cold Junction Compensation Systems Using Digital Temperature Sensors."
• "Design Challenges of Wireless Patient Temperature Monitors."
• Check out all of TI's temperature sensor integrated circuits (ICs).
• Search for solutions and engage with fellow engineers and TI experts in the TI E2E™ Community Sensors forum.

About Texas Instruments
Texas Instruments Incorporated (TI) is a global semiconductor design and manufacturing company that develops analog ICs and embedded processors. By employing the world's brightest minds, TI creates innovations that shape the future of technology. TI is helping approximately 100,000 customers transform the future, today. Learn more at www.ti.com.

Trademarks
TI E2E is a trademark of Texas Instruments. All other trademarks belong to their respective owners.

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SOURCE Texas Instruments