LM95221CIMM

Product Overview

LM95221CIMM belongs to the category of temperature sensors and is commonly used for monitoring and controlling temperature in electronic devices. This sensor possesses characteristics such as high accuracy, low power consumption, and small package size. It is typically available in a small surface-mount package and is essential for maintaining optimal operating conditions in various electronic systems.

Basic Information

• Category: Temperature Sensor
• Use: Monitoring and controlling temperature in electronic devices
• Characteristics: High accuracy, low power consumption, small package size
• Package: Surface-mount package
• Essence: Essential for maintaining optimal operating conditions
• Packaging/Quantity: Typically sold in reels or tubes containing multiple units

Specifications

The LM95221CIMM sensor has the following specifications: - Operating Voltage: 2.7V to 5.5V - Temperature Measurement Range: -55°C to +125°C - Accuracy: ±1°C (typical) - Interface: I2C/SMBus compatible digital output - Package Type: 8-pin VSSOP

Detailed Pin Configuration

The detailed pin configuration of LM95221CIMM is as follows:

| Pin Number | Pin Name | Description | |------------|----------|-------------| | 1 | VDD | Power supply voltage input | | 2 | GND | Ground connection | | 3 | ALERT | Open-drain active-low alert output | | 4 | SDA | Serial data input/output for I2C communication | | 5 | SCL | Serial clock input for I2C communication | | 6 | OS | Overtemperature shutdown input | | 7 | THERM | Thermal diode input | | 8 | NC | No connect |

Functional Features

The LM95221CIMM offers the following functional features: - Digital output for easy interfacing with microcontrollers - High accuracy temperature measurement - Low power consumption for energy-efficient operation - Alert output for overtemperature conditions - Small package size for space-constrained applications

Advantages and Disadvantages

Advantages

• High accuracy temperature measurement
• Low power consumption
• Compact package size

Disadvantages

• Limited temperature measurement range compared to some other sensors
• Requires additional circuitry for thermal diode interfacing

Working Principles

The LM95221CIMM utilizes an internal temperature-sensing diode to measure the temperature of the surrounding environment. The measured temperature is then converted into a digital value using built-in analog-to-digital conversion circuitry. This digital temperature value can be accessed through the I2C/SMBus interface, allowing for easy integration with various microcontroller-based systems.

Detailed Application Field Plans

The LM95221CIMM sensor finds extensive application in various fields, including but not limited to: - Consumer electronics: Used in smartphones, laptops, and gaming consoles for thermal management - Industrial automation: Integrated into control systems for monitoring equipment temperature - Automotive: Employed in automotive climate control systems for temperature sensing - Medical devices: Utilized for temperature monitoring in medical equipment and devices

Detailed and Complete Alternative Models

Some alternative models to LM95221CIMM include: - TMP36: Analog temperature sensor with wide temperature range - DS18B20: Digital temperature sensor with programmable resolution - MCP9808: High-accuracy I2C temperature sensor with extended temperature range

In conclusion, the LM95221CIMM temperature sensor offers high accuracy temperature measurement, low power consumption, and compact package size, making it suitable for a wide range of applications in the electronics industry.

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