TMP421YZDR

Product Overview

Category: Temperature Sensor
Use: Monitoring and controlling temperature in electronic systems
Characteristics: High accuracy, low power consumption, small package size
Package: 8-pin VSSOP
Essence: Reliable temperature sensing for various applications
Packaging/Quantity: Tape and reel, 2500 units per reel

Specifications

• Temperature Range: -40°C to +125°C
• Accuracy: ±0.5°C (max) from -10°C to +85°C
• Supply Voltage: 2.7V to 5.5V
• Current Consumption: 6µA (typ) at 3.3V
• Interface: I2C/SMBus compatible

Detailed Pin Configuration

1. GND
2. ALERT
3. SDA
4. SCL
5. ADDR
6. V+
7. NC
8. D+

Functional Features

• High accuracy over a wide temperature range
• Low power consumption for energy-efficient operation
• Small package size for space-constrained designs
• Digital output for easy interfacing with microcontrollers

Advantages and Disadvantages

Advantages: - Wide temperature range - Low power consumption - Small package size

Disadvantages: - Limited analog voltage input range - Requires external pull-up resistors for I2C communication

Working Principles

The TMP421YZDR operates by converting temperature into a digital signal using an internal temperature sensor. It then communicates this data to the host system via the I2C interface.

Detailed Application Field Plans

• Industrial automation: Monitoring temperature in manufacturing processes
• Consumer electronics: Thermal management in smartphones and laptops
• Automotive: Engine temperature monitoring for efficient performance

Detailed and Complete Alternative Models

1. TMP116: Offers higher accuracy and wider temperature range
2. TMP117: Provides ultra-low power consumption for battery-operated devices
3. TMP102: Basic temperature sensor with I2C interface

In conclusion, the TMP421YZDR is a versatile temperature sensor suitable for a wide range of applications due to its high accuracy, low power consumption, and compact package size. Its digital output and wide temperature range make it an ideal choice for various electronic systems.

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