LM50CIM3X

Introduction

The LM50CIM3X is a temperature sensor belonging to the LM50 series of precision integrated-circuit temperature sensors. This entry provides an overview of the LM50CIM3X, including its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

• Category: Precision Integrated-Circuit Temperature Sensor
• Use: The LM50CIM3X is designed to accurately measure temperature in a wide range of applications, including automotive, industrial, and consumer electronics.
• Characteristics: It offers high accuracy, low power consumption, and a wide temperature measurement range.
• Package: SOT-23 (TO-236) package
• Essence: The essence of the LM50CIM3X lies in its ability to provide precise temperature measurements in a compact and versatile package.
• Packaging/Quantity: The LM50CIM3X is typically available in tape and reel packaging with varying quantities depending on the supplier.

Specifications

• Temperature Range: -40°C to 125°C
• Accuracy: ±1°C (typical)
• Supply Voltage: 2.4V to 5.5V
• Output Voltage Scale Factor: 10mV/°C
• Quiescent Current: 120μA (typical)

Detailed Pin Configuration

The LM50CIM3X features a standard SOT-23 package with three pins: 1. Pin 1 (V+): Connects to the positive supply voltage. 2. Pin 2 (Vout): Provides the output voltage proportional to the measured temperature. 3. Pin 3 (GND): Connects to the ground reference.

Functional Features

• High Accuracy: The LM50CIM3X offers precise temperature measurements with a typical accuracy of ±1°C.
• Low Power Consumption: With a quiescent current of only 120μA, it minimizes power consumption in battery-powered applications.
• Wide Temperature Range: It can measure temperatures from -40°C to 125°C, making it suitable for diverse operating environments.

Advantages and Disadvantages

Advantages

• Accurate temperature measurements
• Low power consumption
• Wide temperature measurement range

Disadvantages

• Limited to single-point calibration
• Sensitivity to electromagnetic interference in certain applications

Working Principles

The LM50CIM3X operates based on the principle of a solid-state temperature sensor. It utilizes the relationship between temperature and the base-emitter voltage of a bipolar transistor to accurately determine the temperature at its location.

Detailed Application Field Plans

The LM50CIM3X finds extensive use in various applications, including: - Automotive climate control systems - Industrial process monitoring and control - Consumer electronics for thermal management

Detailed and Complete Alternative Models

Some alternative models to the LM50CIM3X include: - LM35: Offers similar accuracy and temperature range but operates at a different voltage scale factor. - TMP36: Provides comparable performance with a different package and pin configuration.

In conclusion, the LM50CIM3X is a precision temperature sensor that offers high accuracy, low power consumption, and a wide temperature measurement range. Its compact SOT-23 package makes it suitable for diverse applications in automotive, industrial, and consumer electronics.

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