LM63CIMA

Product Overview

Category: Integrated Circuit (IC)

Use: Temperature sensor and digital temperature monitor

Characteristics: - Measures temperature accurately - Provides digital output for temperature readings - Offers programmable temperature limits and hysteresis - Supports multiple temperature monitoring applications

Package: Small outline integrated circuit (SOIC)

Essence: The LM63CIMA is a versatile temperature sensor and digital temperature monitor IC that provides accurate temperature measurements for various applications.

Packaging/Quantity: The LM63CIMA is available in a standard SOIC package. It is typically sold in reels of 2500 units.

Specifications

• Supply Voltage Range: 2.7V to 5.5V
• Temperature Measurement Range: -55°C to +125°C
• Accuracy: ±1°C (typical)
• Resolution: 9 bits
• Interface: I2C/SMBus compatible
• Operating Current: 200µA (typical)
• Shutdown Current: 0.01µA (typical)

Detailed Pin Configuration

The LM63CIMA has a total of 8 pins, which are assigned as follows:

1. VDD: Power supply input
2. GND: Ground reference
3. SDA: Serial data input/output for I2C communication
4. SCL: Serial clock input for I2C communication
5. ALERT: Open-drain output for temperature alert
6. A0: Address selection bit 0
7. A1: Address selection bit 1
8. ADD: Address selection input

Functional Features

• Accurate temperature measurement: The LM63CIMA utilizes an internal temperature sensor to provide precise temperature readings.
• Digital output: The IC communicates temperature data digitally through the I2C interface, allowing easy integration with microcontrollers and other digital systems.
• Programmable temperature limits: Users can set upper and lower temperature limits, as well as hysteresis, to trigger temperature alert signals.
• Multiple temperature monitoring applications: The LM63CIMA is suitable for various applications such as computer systems, industrial equipment, and consumer electronics.

Advantages and Disadvantages

Advantages: - High accuracy temperature measurement - Digital output simplifies integration - Flexible temperature limit configuration - Low power consumption

Disadvantages: - Limited resolution (9 bits) - Requires I2C/SMBus interface support in the system

Working Principles

The LM63CIMA utilizes its internal temperature sensor to measure the ambient temperature accurately. It converts the analog temperature reading into a digital value and communicates it through the I2C/SMBus interface. The IC also allows users to configure temperature limits and hysteresis, enabling temperature monitoring and alert functionality.

Detailed Application Field Plans

The LM63CIMA can be applied in various fields, including but not limited to: 1. Computer systems: Monitoring CPU temperature, ensuring optimal performance and preventing overheating. 2. Industrial equipment: Temperature monitoring in machinery, motors, and control systems to prevent damage due to excessive heat. 3. Consumer electronics: Temperature control in devices like smartphones, tablets, and gaming consoles to maintain safe operating conditions.

Detailed and Complete Alternative Models

1. LM75A: Similar temperature sensor and digital temperature monitor IC with higher resolution (11 bits).
2. TMP102: Digital temperature sensor IC with high accuracy and low power consumption.
3. DS18B20: Programmable 1-Wire digital thermometer with multiple temperature sensors in a single package.

These alternative models offer different features and specifications, providing options based on specific application requirements.

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