LM45CIM3X

Product Overview

LM45CIM3X belongs to the category of precision temperature sensors. It is commonly used in electronic devices and systems to measure and monitor temperature accurately. The LM45CIM3X sensor possesses characteristics such as high accuracy, low power consumption, small package size, and wide temperature range. It is typically available in a small SOT-23 package and is an essential component for temperature sensing applications.

Basic Information

• Category: Precision Temperature Sensor
• Use: Measuring and monitoring temperature in electronic devices and systems
• Characteristics: High accuracy, low power consumption, small package size, wide temperature range
• Package: SOT-23
• Essence: Essential for temperature sensing applications
• Packaging/Quantity: Typically sold in reels of 3000 units

Specifications

The LM45CIM3X sensor operates over a temperature range of -40°C to 125°C with an accuracy of ±2°C. It requires a supply voltage between 4V and 30V and consumes very low quiescent current, making it suitable for battery-powered applications. The sensor provides a linear output voltage proportional to the temperature, allowing for easy interfacing with microcontrollers and analog-to-digital converters.

Detailed Pin Configuration

The LM45CIM3X sensor has three pins: 1. V+ (Pin 1) - Supply Voltage Input 2. Vout (Pin 2) - Temperature Output 3. GND (Pin 3) - Ground

Functional Features

• High Accuracy: ±2°C over the temperature range
• Low Power Consumption: Suitable for battery-powered applications
• Small Package Size: SOT-23 package for space-constrained designs
• Wide Temperature Range: Operates from -40°C to 125°C

Advantages and Disadvantages

Advantages

• High accuracy
• Low power consumption
• Small package size
• Wide temperature range

Disadvantages

• Limited to a single temperature measurement point
• Requires external calibration for precise measurements

Working Principles

The LM45CIM3X sensor utilizes the principle of bandgap temperature sensing to generate a voltage output proportional to the temperature. It contains a precision temperature-sensitive voltage reference and a high-gain operational amplifier to provide accurate temperature measurements.

Detailed Application Field Plans

The LM45CIM3X sensor finds extensive use in various applications, including: - HVAC systems - Industrial automation - Consumer electronics - Automotive climate control - Medical devices

Detailed and Complete Alternative Models

Some alternative models to LM45CIM3X include: - TMP36 - Analog Devices - MCP9700 - Microchip Technology - DS18B20 - Maxim Integrated

In conclusion, the LM45CIM3X precision temperature sensor offers high accuracy, low power consumption, and a compact package, making it suitable for a wide range of temperature sensing applications across different industries.

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