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TMP117MAIDRVR

High-accuracy ±0.1°C digital temp sensor, 16-bit, I2C, NIST traceable, WSON-6, RTD replacement

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Pieza del fabricante：

TMP117MAIDRVR

Paquete：

WSON-6 (DRV) (2.0 x 2.0 x 0.8 mm)

Marca：
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Compromiso de calidad
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Descripción

Productos

The TMP117MAIDRVR from Texas Instruments is a high-accuracy digital temperature sensor with I2C/SMBus interface, achieving ±0.1°C accuracy from -20°C to +50°C without calibration. With 16-bit resolution (0.0078°C/LSB), 3.5µA operating current, and NIST traceability, it is a PT100/PT1000 RTD replacement in a tiny WSON-6 package.

Especificaciones

Accuracy (Max) ±0.1°C (-20°C to +50°C)
Resolution 16-bit (0.0078°C/LSB)
Operating Current (Typ) 3.5 µA @ 1Hz
Shutdown Current 150 nA
Tensión de alimentación 1.7V to 5.5V
Interface I2C / SMBus
Temperatura de funcionamiento -55°C to +150°C (sensor)
Paquete WSON-6 (2.0 x 2.0 mm)

Características

  • Medical-grade accuracy: ±0.1°C from -20°C to +50°C
  • 16-bit resolution: 0.0078°C per LSB
  • NIST traceable with 48-bit EEPROM
  • Programmable temperature alert limits
  • Selectable averaging modes
  • Digital offset for system correction
  • Meets ASTM E1112 and ISO 80601-2-56
  • PT100/PT1000 RTD replacement
  • Up to 4 devices on a single I2C bus

Aplicaciones

  • Electronic thermometers and medical devices
  • Wireless environmental sensors
  • Thermostats and HVAC
  • Cold chain asset tracking
  • Wearable health and fitness monitors
  • Gas meters and temperature transmitters

The TMP117MAIDRVR is a high-precision digital temperature sensor from Texas Instruments that meets ASTM E1112 and ISO 80601 requirements for electronic patient thermometers. It provides 16-bit temperature results with 0.0078°C resolution and ±0.1°C accuracy from -20°C to +50°C without calibration. The device features an I2C/SMBus-compatible interface, programmable alert functionality, 48-bit general-purpose EEPROM, and NIST traceability. Consuming only 3.5µA at 1Hz conversion rate, it serves as a single-chip digital alternative to PT100/PT1000 RTDs.

The TMP117 operates through three main subsystems: (1) Temperature Sensing: A bandgap-based temperature sensor generates a voltage proportional to absolute temperature (PTAT), which is digitized by an internal ADC with 16-bit resolution. Each device is 100% tested on NIST-traceable production equipment to guarantee ±0.1°C accuracy. (2) Digital Processing: The 16-bit temperature result is stored in the temperature register and can be read over I2C. Configurable averaging modes (1, 8, 32, 64 samples) improve noise performance. A digital offset register allows system-level correction. (3) Alert and EEPROM: Programmable high/low temperature alert thresholds trigger the ALERT pin. The integrated EEPROM stores configuration and provides 48 bits of general-purpose memory, with NIST traceability data.

Pin Nombre Tipo Descripción
1 SDA E/S I2C serial data
2 GND Suelo Suelo
3 ALERT Salida Temperature alert output (open-drain)
4 SCL Entrada I2C serial clock
5 V+ Potencia Supply voltage (1.7V to 5.5V)
6 ADD0 Entrada I2C address select (connect to GND, V+, SDA, or SCL)
  • Clinical-grade electronic thermometers meeting ASTM E1112 and ISO 80601
  • Wireless environmental monitoring with ±0.1°C accuracy
  • Cold chain and pharmaceutical asset tracking
  • Wearable fitness and health monitoring devices
  • Industrial RTD replacement in temperature transmitters
Modelo Fabricante Accuracy Interface Notas
TMP116MAIDRVR TI ±0.1°C I2C Similar, lower current
SHT40-AD1B-R3 Sensirion ±0.2°C I2C Humidity + temp combo
ADT7420 ADI ±0.25°C I2C/SPI 16-bit, wider package
TMP117MAIDRVT TI ±0.1°C I2C Smaller reel option
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Tel / WhatsApp: +86 13760382860
Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong, China
 

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