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TMP4719

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Sensor de temp. doble, remoto y local, comp. con lógica de 1.2 V, con factor N y correc. de serie R

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Hoja de datos

document-pdfAcrobat TMP4719 High-Accuracy 3-Channel (2-Remote and 1-Local) 1.2V Logic Compatible Temperature Sensor With η-Factor datasheet (Rev. A) (Inglés) PDF | HTML

TMP4719

ACTIVO

Hoja de datos

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Detalles del producto

Local sensor accuracy (max)

1

Type

Remote

Operating temperature range (°C)

-40 to 125

Interface type

I2C, SMBus

Features

ALERT, One-shot conversion

Supply current (max) (µA)

45

Temp resolution (max) (bps)

12

Remote channels (#)

2

Addresses

8

Rating

Catalog

Local sensor accuracy (max)

1

Type

Remote

Operating temperature range (°C)

-40 to 125

Interface type

I2C, SMBus

Features

ALERT, One-shot conversion

Supply current (max) (µA)

45

Temp resolution (max) (bps)

12

Remote channels (#)

2

Addresses

8

Rating

Catalog

WSON (DSQ)

10

4 mm² (2 mm × 2 mm)

VSSOP (DGS)

10

14.7 mm² (3 mm × 4.9 mm)

Supply range: 1.62V to 5.5V
Wide operating range: –40°C to 125°C
Remote channel accuracy: 0.8°C
- Resolution: 12-bit (0.0625°C)
Local channel accuracy: 1°C
- Resolution: 8-bit (1°C)
Support I2C and SMBus interface
Low power consumption
Additional features for improved temperature measurement accuracy:
- Diode non-ideality factor (η-factor) correction
- Series resistance cancellation
- Programmable digital filter
Remote diode fault detection
1.2V logic-compatible input thresholds independent of supply
Footprint compatible with the TMP432

Supply range: 1.62V to 5.5V
Wide operating range: –40°C to 125°C
Remote channel accuracy: 0.8°C
- Resolution: 12-bit (0.0625°C)
Local channel accuracy: 1°C
- Resolution: 8-bit (1°C)
Support I2C and SMBus interface
Low power consumption
Additional features for improved temperature measurement accuracy:
- Diode non-ideality factor (η-factor) correction
- Series resistance cancellation
- Programmable digital filter
Remote diode fault detection
1.2V logic-compatible input thresholds independent of supply
Footprint compatible with the TMP432

The TMP4719 device is a high-accuracy 0.8°C temperature sensor with one local integrated sensor and two remote temperature sensor channels that can be connected to diode-connected transistors, such as the popular MMBT3904 NPN transistor, to replace traditional thermistors or thermocouples. The remote channels can also be connected to a substrate thermal transistor or diode integrated inside microprocessors, microcontrollers, or FPGAs to monitor the die temperature of the IC.

The TMP4719 supports series resistance cancellation, programmable ideality factor (η-factor), configurable temperature limits, and programmable digital filters to improve the noise immunity and provide a robust design for complex thermal environment monitoring applications. The device supports I2C and SMBus communication with logic levels down to 1.2V regardless of the main supply rail, enabling interoperability with low-voltage MCUs without needing a secondary low-voltage supply or a bus level shifter.

The TMP4719 device is a high-accuracy 0.8°C temperature sensor with one local integrated sensor and two remote temperature sensor channels that can be connected to diode-connected transistors, such as the popular MMBT3904 NPN transistor, to replace traditional thermistors or thermocouples. The remote channels can also be connected to a substrate thermal transistor or diode integrated inside microprocessors, microcontrollers, or FPGAs to monitor the die temperature of the IC.

The TMP4719 supports series resistance cancellation, programmable ideality factor (η-factor), configurable temperature limits, and programmable digital filters to improve the noise immunity and provide a robust design for complex thermal environment monitoring applications. The device supports I2C and SMBus communication with logic levels down to 1.2V regardless of the main supply rail, enabling interoperability with low-voltage MCUs without needing a secondary low-voltage supply or a bus level shifter.

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Documentación técnica

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Documentación principal	Tipo	Título	Opciones de formato	Fecha
*	Hoja de datos	TMP4719 High-Accuracy 3-Channel (2-Remote and 1-Local) 1.2V Logic Compatible Temperature Sensor With η-Factor datasheet (Rev. A)	PDF \| HTML	4/12/2025
	Nota sobre la aplicación	How to Design Alert Overtemperature and Undertemperature Systems	PDF \| HTML	9/03/2026
	Certificado	TMP4719EVM EU Declaration of Conformity (DoC)		21/03/2025
	Nota sobre la aplicación	Remote Temperature Transistor Sensor Selection Guide	PDF \| HTML	24/03/2021

Diseño y desarrollo

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Placa de evaluación

TMP4718EVM — Placa de evaluación TMP4718 para sensor de temperatura local y remoto

El módulo de evaluación (EVM) TMP4718EVM permite a los usuarios evaluar el rendimiento del sensor de temperatura local y remoto de alta precisión TMP4718. El EVM dispone de una memoria USB con un microcontrolador MSP430F5526 integrado, que se conecta tanto con el equipo host como con el (...)

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