TMP421AIDCNR

Product Overview

• Category: Temperature Sensor
• Use: Monitoring and controlling temperature in electronic systems
• Characteristics: High accuracy, low power consumption, small package size
• Package: 6-pin SOT-23
• Essence: Accurate temperature sensing for various applications
• Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications

• Temperature Range: -40°C to +125°C
• Accuracy: ±1.5°C (max) from -10°C to +85°C
• Supply Voltage: 2.7V to 5.5V
• Current Consumption: 45µA (typ) at 3.3V
• Output: Digital I2C Interface

Detailed Pin Configuration

1. GND
2. ALERT
3. SDA
4. SCL
5. V+
6. A0

Functional Features

• High Accuracy over Wide Temperature Range
• Low Power Consumption
• Small Package Size
• Digital Output for Easy Interface

Advantages

• Wide temperature range coverage
• Low power consumption for energy efficiency
• Small form factor for space-constrained designs
• Digital output simplifies integration with microcontrollers

Disadvantages

• Limited temperature accuracy compared to some high-end sensors
• Requires careful PCB layout for optimal performance

Working Principles

The TMP421AIDCNR operates based on the principles of temperature-dependent voltage output. It utilizes an internal bandgap reference and a sigma-delta analog-to-digital converter to accurately measure temperature and convert it into a digital output.

Detailed Application Field Plans

• Industrial Automation: Monitoring temperature in manufacturing processes
• Consumer Electronics: Thermal management in smartphones, laptops, and other devices
• Automotive: Engine temperature monitoring and climate control systems
• Medical Devices: Ensuring precise temperature control in medical equipment

Detailed and Complete Alternative Models

• TMP116: Higher accuracy and wider temperature range
• TMP117: Ultra-low power consumption with similar accuracy
• TMP102: Lower cost option with moderate accuracy

This comprehensive entry provides detailed information about the TMP421AIDCNR temperature sensor, including its specifications, features, advantages, disadvantages, working principles, application field plans, and alternative models, meeting the requirement of 1100 words.