LM77CIMX-3

Product Overview

Category

The LM77CIMX-3 belongs to the category of temperature sensors and monitors.

Use

It is used for accurately measuring and monitoring temperature in various electronic systems and applications.

Characteristics

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

Package

The LM77CIMX-3 is available in a small outline integrated circuit (SOIC) package.

Essence

The essence of LM77CIMX-3 lies in its precise temperature measurement capabilities and its suitability for integration into compact electronic devices.

Packaging/Quantity

The LM77CIMX-3 is typically sold in reels containing a specific quantity, usually 250 or 1000 units per reel.

Specifications

• Temperature Range: -55°C to +125°C
• Accuracy: ±1°C
• Supply Voltage: 2.7V to 5.5V
• Current Consumption: 250µA
• Interface: I2C/SMBus

Detailed Pin Configuration

The LM77CIMX-3 has a standard 8-pin SOIC package with the following pin configuration: 1. VCC 2. GND 3. SDA (I2C data) 4. SCL (I2C clock) 5. A0 (Address input) 6. ALERT 7. OS (Overtemperature shutdown) 8. NC (No connection)

Functional Features

• Digital output for easy interfacing
• Programmable temperature limits with alert function
• Overtemperature shutdown
• Low power consumption for battery-operated devices

Advantages

• High accuracy over a wide temperature range
• Small form factor for space-constrained designs
• Low power consumption extends battery life
• Easy integration with digital systems via I2C interface

Disadvantages

• Limited to I2C interface, may not be suitable for systems using other communication protocols
• ±1°C accuracy may not be sufficient for highly precise applications

Working Principles

The LM77CIMX-3 utilizes an internal temperature sensor to measure the ambient temperature. It then converts this analog signal to a digital value using an analog-to-digital converter (ADC). The digital temperature value is then made available through the I2C interface for external processing and monitoring.

Detailed Application Field Plans

The LM77CIMX-3 is well-suited for a wide range of applications including: - Consumer electronics - Industrial automation - Automotive systems - Medical devices - HVAC (Heating, Ventilation, and Air Conditioning) systems

Detailed and Complete Alternative Models

Some alternative models to the LM77CIMX-3 include: - LM75: Similar I2C temperature sensor with ±2°C accuracy - TMP117: High-accuracy digital temperature sensor with I2C and SPI interfaces - DS18B20: One-wire digital temperature sensor with programmable resolution

In conclusion, the LM77CIMX-3 is a versatile and reliable temperature sensor suitable for various electronic applications, offering high accuracy, low power consumption, and ease of integration.

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