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TMP451 The Texas Instruments TMP451 is a high-accuracy, low-power remote and local temperature sensor. It operates from a 1.7V to 3.6V supply and features a two-wire serial interface.
Mfr Part #:

TMP451

Available from 1 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments TMP451 is a high-accuracy, low-power remote and local temperature sensor. It operates from a 1.7V to 3.6V supply and features a two-wire serial interface.
✓ Total Stock: 2,988 pcs

TMP451 Available from 1 distributor

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✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Optech Co.,Limited ✓
Non-Authorised Inventory information
2,988 pcs
On Request
2988 pcs On Request 1 On Request On Request 13+ On Request On Request
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TMP451 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Accuracy
Interface
Mounting Type
Operating Temperature
Package / Case
Resolution
Supply Voltage
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TMP451 Description

Short technical summary and product information.

The Texas Instruments TMP451 is a high-accuracy, low-power temperature sensor that monitors both local and remote temperatures. It is designed for applications requiring precise thermal monitoring, such as processors, FPGAs, smartphones, and servers.

 

The TMP451 offers a ±1°C accuracy for both local and remote sensors, with a resolution of 0.0625°C. It operates over a wide supply voltage range of 1.7V to 3.6V and features a low operating current of 27µA. The device communicates via a two-wire serial interface, supporting SMBus protocol.

 

Advanced features include series resistance cancellation, programmable nonideality factor (η-factor), programmable offset, and a programmable digital filter, enhancing accuracy and noise immunity. The TMP451 is available in an 8-lead WSON package, suitable for surface mounting.

 

This sensor is ideal for various applications including processor and FPGA temperature monitoring, smart phones and tablets, servers, desktops, notebooks, and telecom equipment.

TMP451 Quick Information

Product Type: Temperature Sensor
Canonical Name: TMP451 Remote and Local Temperature Sensor
Subcategory: Remote and Local

TMP451 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

TMP451 Features

  • ±1°C accuracy for local and remote sensors.
  • 0.0625°C resolution for precise temperature readings.
  • 1.7V to 3.6V supply and logic voltage range.
  • Low 27µA operating current consumption.
  • SMBus serial interface for easy communication.

TMP451 Applications

  • Processor and FPGA temperature monitoring.
  • Used in smartphones and tablets.
  • Suitable for servers and notebooks.
  • Ideal for telecom equipment.

TMP451 FAQs

6 frequently asked questions generated from this part’s specifications.
What is the operating voltage range for the TMP451?

The TMP451 operates from a supply voltage range of 1.7V to 3.6V.

What is the operating temperature range of the TMP451?

The TMP451 operates within a temperature range of -40°C to 125°C.

What is the accuracy of the TMP451 temperature sensor?

The TMP451 provides an accuracy of ±1°C for both local and remote diode sensors.

What is the temperature resolution of the TMP451?

The TMP451 offers a temperature resolution of 0.0625°C for local and remote channels.

What interface does the TMP451 use?

The TMP451 uses a two-wire serial interface that accepts the SMBus communication protocol, also supporting I2C.

What package is the TMP451 available in?

The TMP451 is available in an 8-lead WSON (DQF) package with a body size of 2 mm x 2 mm.

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