LM75CIMM-3

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LM75CIMM-3

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Thông số kỹ thuật

Brand Texas Instruments
Product Type Board Mount Temperature Sensor ICs
Subcategory Sensors
Product Temperature Sensors
Output Type Digital
Interface Type 2-Wire, I2C, SMBus

Tổng quan

Description

The LM75CIMM-3 is a digital temperature sensor with an integrated thermal watchdog. It communicates via a two-wire I²C interface, making it suitable for various applications requiring temperature monitoring and control. The device is designed for high-precision temperature measurements, operating over a range of -55°C to +125°C with an accuracy of ±2°C. It provides digital output data in degrees Celsius, and users can program the upper and lower temperature limits for the thermal watchdog feature. The LM75CIMM-3 supports up to eight different I²C addresses, allowing multiple sensors to operate on the same bus. Its compact 8-lead SOIC package makes it ideal for space-constrained designs. The device is widely used in PCs, office electronics, and industrial temperature control systems. Its low power consumption and ease of use make it a versatile choice for both commercial and industrial applications.

Features

The LM75CIMM-3 is a digital temperature sensor with an integrated Sigma-Delta analog-to-digital converter and I²C interface. Key features include:
1. Temperature Range: It operates over a range of -55°C to +125°C.
2. Accuracy: Provides typical accuracy of ±2°C.
3. Resolution: Offers 9-bit temperature readings, which equates to 0.5°C increments.
4. Supply Voltage: Designed to operate with a supply voltage from 3.0V to 5.5V.
5. Interface: Communicates via a standard I²C interface, allowing for easy integration into systems.
6. Power Consumption: Features low power consumption, making it suitable for battery-powered devices.
7. Programmable Features: Includes programmable temperature threshold and hysteresis set points.
8. Alert Function: Has an Overtemperature Alert pin for temperature threshold monitoring.
9. Package: Available in a compact 8-pin SOIC package.
These features make the LM75CIMM-3 suitable for a variety of applications, including environmental monitoring, thermal protection, and industrial temperature measurement.

Package

The LM75CIMM-3 is packaged in an 8-pin SOIC (Small Outline Integrated Circuit) package.

Pinout

The LM75CIMM-3 is a temperature sensor IC with an I2C interface, typically used for monitoring and controlling temperature in various electronic applications. It comes in an 8-pin MSOP (Mini Small Outline Package). Here’s a brief overview of its pin functions:
1. VCC: Power supply pin.
2. GND: Ground pin.
3. SDA: Serial Data line for I2C communication.
4. SCL: Serial Clock line for I2C communication.
5. OS: Over-temperature Shutdown output, an open-drain output used for thermostat functionality.
6. A0, A1, A2: Address pins used to set the I2C slave address, allowing up to 8 different addresses.
The LM75CIMM-3 operates as a digital temperature sensor capable of reading temperatures in the range of -55°C to +125°C with ±2°C accuracy. It is commonly used for system thermal management, overheating protection, and environmental monitoring.

Manufacturer

The LM75CIMM-3 is manufactured by Texas Instruments. Texas Instruments (TI) is a global semiconductor company that designs and manufactures a wide array of analog and embedded processing chips. They provide solutions across various industries, including automotive, industrial, personal electronics, communications equipment, and enterprise systems. TI is known for its innovation in semiconductor technology and commitment to sustainability and education initiatives.

Application

The LM75CIMM-3 is a digital temperature sensor commonly used in applications such as environmental monitoring, thermal protection systems, and HVAC systems. It is also utilized in industrial automation, consumer electronics, and computer thermal management to monitor and control temperature. The sensor's digital interface makes it suitable for integration into microcontroller-based systems for real-time temperature data acquisition and processing.

Equivalent

Equivalent products to the LM75CIMM-3 temperature sensor include:
1. NXP's LM75A
2. Maxim Integrated's MAX7500
3. Texas Instruments' TMP75
4. Microchip's MCP9800
5. Analog Devices' TMP175
These alternatives offer similar functionality, such as I2C interface and temperature range, but always check specific datasheets for compatibility.

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