TMP421AQDCNRQ1 The Texas Instruments TMP421AQDCNRQ1 is an automotive-qualified digital temperature sensor. It operates from -40°C to 125°C and communicates via an I2C/SMBus interface.
Mfr Part #:

TMP421AQDCNRQ1

Available from 2 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments TMP421AQDCNRQ1 is an automotive-qualified digital temperature sensor. It operates from -40°C to 125°C and communicates via an I2C/SMBus interface.
Total Stock: 6,655 pcs
$ Price Range: $0.75

TMP421AQDCNRQ1 Available from 2 distributors

Authorised
Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
3,420 pcs
3420 pcs On Request 1 On Request On Request 19+ On Request On Request
Non-Authorised Inventory information
3,235 pcs
3235 pcs On Request 1 On Request On Request On Request On Request On Request

TMP421AQDCNRQ1 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Accuracy
Mounting Type
Operating Temperature
Output Type
Reel Diameter
Reel Width
Resolution
Sensing Temperature
Sensor Type
Supplier Device Package
Tape & Reel
Tape and Reel
Test Condition
Voltage
accuracy (Maximum @ Local Temperature Sensor)
accuracy (Maximum @ Remote Diode Sensor)

TMP421AQDCNRQ1 Description

Short technical summary and product information.

The TMP421AQDCNRQ1 from Texas Instruments is an automotive-qualified digital temperature sensor designed for monitoring local and remote temperatures. It features a wide operating temperature range of -40°C to 125°C, making it suitable for demanding automotive applications.

 

This sensor utilizes a two-wire I2C or SMBus compatible serial interface for communication, supporting multiple interface addresses and commands for configuration. It offers high accuracy with ±1°C for remote diode sensors and ±1.5°C for the local temperature sensor.

 

The TMP421AQDCNRQ1 is housed in a compact SOT-23-8 package and is designed for surface mount applications. It operates with a supply voltage range of 2.7V to 5.5V and provides a 12-bit resolution for precise temperature readings. The device also includes features like diode fault detection and series resistance cancellation.

 

This sensor is AEC-Q100 qualified, indicating its suitability for automotive environments. Its robust design and accurate temperature sensing capabilities make it a reliable choice for various automotive and industrial applications requiring precise thermal monitoring.

TMP421AQDCNRQ1 Quick Information

Product Type: Temperature Sensor
Series: TMP42x-Q1
Canonical Name: TMP421AQDCNRQ1 Automotive Remote and Local Temperature Sensor
Subcategory: Digital Temperature Sensor

TMP421AQDCNRQ1 Compliance

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

TMP421AQDCNRQ1 Estimated Pricing

Qty Low High
1+ $0.75 $0.75

Estimated market price range - modelled values for guidance only, not live distributor offers.

TMP421AQDCNRQ1 Features

  • Automotive-qualified digital temperature sensor.
  • Operates from -40°C to 125°C.
  • I2C/SMBus serial interface.
  • ±1°C remote and ±1.5°C local accuracy.
  • Compact SOT-23-8 surface mount package.

TMP421AQDCNRQ1 Applications

  • Ideal for automotive thermal monitoring.
  • Suitable for industrial temperature sensing.
  • Used in systems requiring local/remote sensing.
  • Applications needing precise temperature data.

TMP421AQDCNRQ1 FAQs

5 frequently asked questions generated from this part’s specifications.
What is the operating temperature range for the TMP421AQDCNRQ1?

The operating temperature range is -40°C to 125°C.

What is the accuracy of the TMP421AQDCNRQ1 temperature sensor?

The accuracy is ±1°C for the remote diode sensor and ±1.5°C for the local temperature sensor.

What interface does the TMP421AQDCNRQ1 use?

It uses a two-wire I2C or SMBus compatible serial interface.

What package type is the TMP421AQDCNRQ1 supplied in?

The TMP421AQDCNRQ1 is supplied in a SOT-23-8 package.

What is the standard package quantity for the TMP421AQDCNRQ1?

The standard package quantity is 3000 units on a reel.

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