LM34DZ/LFT7 - Texas Instruments

Manufacturer Part Number

LM34DZ/LFT7

Manufacturer

Texas Instruments

Introduction

The LM34 is a precision integrated-circuit temperature sensor whose output voltage is linearly proportional to the Fahrenheit temperature. The LM34 can be used with single power supplies or with plus and minus supplies.

Product Features and Performance

Calibrated directly in degrees Fahrenheit

Linear + 10-mV/°F scale factor

5°F typical nonlinearity

Rated for full -50°F to +300°F range

Suitable for remote applications

Low cost due to wafer-level trimming

Operates from 4 V to 30 V

Less than 60-μA current drain

Low self-heating, 0.08°F in still air

Product Advantages

Direct Fahrenheit readout

Operates over a wide voltage range

Suitable for remote applications

Low cost and easy to use

Low power consumption

Key Technical Parameters

Voltage Supply: 4V ~ 30V

Operating Temperature: 0°C ~ 100°C

Accuracy: ±1°F (±2°F)

Resolution: 10mV/°F

Sensing Temperature Range: 32°F ~ 212°F

Quality and Safety Features

RoHS3 Compliant

TO-92-3 package for through-hole mounting

Compatibility

Suitable for a wide range of temperature sensing applications

Application Areas

Process control

HVAC

Appliances

Instrumentation

Consumer electronics

Product Lifecycle

The LM34 is an established product with continued availability.

Replacement or upgrade options may be available depending on the specific application requirements.

Key Reasons to Choose This Product

Direct Fahrenheit readout for easy interpretation

Wide operating voltage range for versatility

Accuracy and resolution suitable for many applications

Low power consumption ideal for battery-powered devices

Ease of use with through-hole mounting option

Cost-effective solution for temperature sensing needs