DS1816R-5/T&R

Product Overview

Category: Integrated Circuits
Use: Digital Temperature Sensor
Characteristics: High accuracy, low power consumption
Package: Tape and Reel
Essence: Monolithic temperature sensor with digital output
Packaging/Quantity: 2500 units per reel

Specifications

• Temperature Range: -55°C to +125°C
• Accuracy: ±0.5°C (typical)
• Resolution: 9 to 12 bits
• Supply Voltage: 2.7V to 5.5V
• Current Consumption: 200µA (typical)
• Interface: I2C/SMBus compatible
• Package Type: SOT23-5

Detailed Pin Configuration

The DS1816R-5/T&R has a SOT23-5 package with the following pin configuration:

1. GND (Ground)
2. VDD (Supply Voltage)
3. A0 (Address Bit 0)
4. A1 (Address Bit 1)
5. DQ (Data Output)

Functional Features

• Digital output provides direct temperature readings
• High accuracy ensures precise temperature measurement
• Low power consumption extends battery life in portable devices
• Wide temperature range allows for versatile applications
• Small form factor enables space-constrained designs
• I2C/SMBus compatibility simplifies integration with microcontrollers

Advantages and Disadvantages

Advantages: - Accurate temperature measurement - Low power consumption - Compact size - Easy integration with microcontrollers

Disadvantages: - Limited resolution compared to some alternative models - Higher cost compared to traditional analog temperature sensors

Working Principles

The DS1816R-5/T&R is based on a monolithic temperature sensor that utilizes bandgap voltage reference and an ADC (Analog-to-Digital Converter) to convert the measured temperature into a digital output. The sensor's accuracy is achieved through careful calibration and compensation techniques.

Detailed Application Field Plans

The DS1816R-5/T&R can be used in various applications that require temperature monitoring and control. Some potential application fields include:

1. Consumer Electronics: Temperature regulation in smartphones, tablets, and laptops.
2. Industrial Automation: Monitoring temperature in manufacturing processes and equipment.
3. HVAC Systems: Controlling temperature in heating, ventilation, and air conditioning systems.
4. Automotive: Engine temperature monitoring and climate control systems.
5. Medical Devices: Precise temperature measurement in medical equipment.

Detailed and Complete Alternative Models

1. DS18B20: 1-Wire digital temperature sensor with higher resolution and programmable alarm functionality.
2. LM35: Analog temperature sensor with lower cost but limited accuracy compared to the DS1816R-5/T&R.
3. TMP36: Low-power analog temperature sensor with wider temperature range but lower accuracy.

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