TMP442ADCNR Texas Instruments Integrated Circuit (Other) In Stock

Name: TMP442ADCNR
Brand: Texas Instruments
SKU: TMP442ADCNR
Availability: InStock

TMP442ADCNR is a dual remote and local temperature sensor IC by Texas Instruments with 12-bit resolution and up to 1°C accuracy. Key specs: SMBus/I2C interface, 2.7V-5.5V supply, compact 8-pin 2.9x1.6mm SOT-23 package. From $1.20, in stock with worldwide shipping.

ACTIVEIntegrated CircuitVerified Jun 2026

Package / Visual Reference

TMP442ADCNROther

Quick Facts

Manufacturer: Texas Instruments
Package: Other
Pin Count: 8
Lifecycle: ACTIVE
Datasheet: TMP442ADCNR Datasheet PDF
Category: Integrated Circuit
Price: From $1.0600(MOQ 50)
Temp Range: -40.0°C to 125.0°C
RoHS: Compliant
Lead Time: 3–7 business days
Shipping: DHL Express · Worldwide

What are the key features of TMP442ADCNR?

12-bit ADC resolution enables precise temperature measurements with 0.0625°C step size for accurate thermal monitoring
Dual remote sensing channels allow simultaneous monitoring of two external temperature zones plus local die temperature
Maximum accuracy of ±1°C reduces need for system-level calibration in precision thermal management applications
SMBus/I2C compatible interface simplifies integration with microcontrollers in space-constrained embedded designs

What is TMP442ADCNR used for?

The TMP442ADCNR is used in servers, notebooks, and desktop computers for CPU and GPU thermal monitoring, enabling dynamic fan speed control and thermal throttling to protect system components. Its dual remote sensing capability makes it ideal for HVAC systems and industrial equipment requiring multi-zone temperature surveillance. The compact SOT-23 package and low power consumption also suit battery-operated IoT devices and portable instruments with strict thermal constraints.

What are the specifications of TMP442ADCNR?

Pbfree Code	Yes
YTEOL	15
Accuracy-Max (Cel)	1Cel
Body Breadth	1.6mm
Body Height	1.175mm
Body Length or Diameter	2.9mm
Housing	PLASTIC
JESD-609 Code	e4
Mounting Feature	SURFACE MOUNT
Number of Bits	12
Operating Current-Max	0.045mA
Output Interface Type	2-WIRE INTERFACE
Package Body Material	PLASTIC/EPOXY
Package Equivalence Code	TSSOP8,.1
Package Shape/Style	RECTANGULAR
Sensors/Transducers Type	TEMPERATURE SENSOR,SWITCH/DIGITAL OUTPUT,SERIAL
Supply Voltage-Max	5.5V
Supply Voltage-Min	2.7V
Surface Mount	YES
Terminal Finish	Nickel/Palladium/Gold (Ni/Pd/Au)
Termination Type	SOLDER
Package	Other

Compliance & Regulatory

RoHS Status	Compliant
Lead-Free	Yes (Pb-Free)
ECCN	EAR99
HTS Code	8542.39.00.90

Where can I find the TMP442ADCNR datasheet?

TMP442ADCNR Datasheet Download

Official datasheet from Texas Instruments

What are equivalent replacements for TMP442ADCNR?

Compatible alternatives and drop-in replacements for TMP442ADCNR:

TMP442ADCNTTexas Instruments Serial

Switch/Digital Sensor, 12 Bit(s), 1Cel, Rectangular, 8 Pin, Surface Mount

View Part →

Compare all alternatives & request quotes →

Frequently Asked Questions

What is the temperature measurement accuracy of the TMP442ADCNR?

The TMP442ADCNR achieves a maximum accuracy of ±1°C over the temperature range, with 12-bit resolution providing a step size of 0.0625°C, making it suitable for precision thermal monitoring in servers, PCs, and industrial equipment.

How many temperature channels does the TMP442ADCNR support?

The TMP442ADCNR supports three temperature channels: one local on-chip sensor and two remote diode-connected temperature channels, allowing simultaneous multi-zone thermal monitoring in a single compact 8-pin SOT-23 package measuring 2.9mm x 1.6mm.

What communication interface does the TMP442ADCNR use?

The TMP442ADCNR uses an SMBus/I2C compatible serial interface for communication with host microcontrollers, supporting standard SMBus operations for reading temperature data and configuring alert thresholds with minimal pin count requirements.

What are the typical applications for the TMP442ADCNR?

Typical applications include CPU and GPU thermal management in servers and laptops, battery management systems, industrial process temperature monitoring, HVAC control systems, and portable test instruments requiring accurate multi-point temperature sensing with a compact SMBus interface.

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About Texas Instruments

Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.

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AvailabilityIn Stock

Reference Price (USD)

From $1.0600

Buy from 1pc · Factory-direct pricing

Qty.	Unit Price	Ext. Price
50+	$1.2600	$63.00
100+	$1.2100	$121.00
500+	$1.1600	$580.00
2000+	$1.1100	$2220.00
3000+	$1.0600	$3180.00

pcs

Unit price: $1.2600 · Total: $63.00

In Stock · 24h Response · Worldwide Shipping

Direct Contact

WhatsApp Inquiry Email RFQ

Lead Time3-7 business days

MOQFrom 1 piece

ShippingDHL / FedEx / UPS

OriginChina (Authorized)

Response within 24 hours · Worldwide shipping

“Response time is incredible — usually under 4 hours. They understand that production lines can't wait.”

James Wright

Supply Chain Director, CircuitPro Ltd, UK

TMP442ADCNR Texas Instruments Integrated Circuit (Other) In Stock

What are the key features of TMP442ADCNR?

What is TMP442ADCNR used for?

What are the specifications of TMP442ADCNR?

Compliance & Regulatory

Where can I find the TMP442ADCNR datasheet?

What are equivalent replacements for TMP442ADCNR?

Frequently Asked Questions

What is the temperature measurement accuracy of the TMP442ADCNR?

How many temperature channels does the TMP442ADCNR support?

What communication interface does the TMP442ADCNR use?

What are the typical applications for the TMP442ADCNR?

Related Guides

CSD87313DMS Synchronous Buck Power Stage Design Guide

STEF05SGR eFuse Selection Guide for 5 V Overcurrent Protection

C0402C103K3RACTU Selection Guide: Choosing a 10 nF 0402 MLCC

STM32H753VIT6 MCU Selection Guide: Memory, Package, Connectivity, and Security

Why Buy from FindMyChip

About Texas Instruments

More from Texas Instruments

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