DS1708REUA

Product Overview

• Category: Integrated Circuit (IC)
• Use: Temperature Data Logger
• Characteristics: High accuracy, compact size, low power consumption
• Package: 8-pin SOIC (Small Outline Integrated Circuit)
• Essence: The DS1708REUA is a temperature data logger IC designed for various applications where temperature monitoring is crucial. It offers accurate temperature measurements and data logging capabilities in a small form factor.
• Packaging/Quantity: Available in tape and reel packaging with a quantity of 2500 units per reel.

Specifications

• Temperature Range: -40°C to +85°C
• Resolution: 0.5°C
• Accuracy: ±2°C
• Memory Size: 2048 bytes
• Data Logging Interval: Configurable from 1 second to 255 minutes
• Supply Voltage: 2.7V to 5.5V
• Standby Current: 500nA (typical)
• Operating Current: 1.5mA (typical)

Pin Configuration

The DS1708REUA has the following pin configuration:

┌───┬───┐ │ 1 │ 8 │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ 4 │ 5 │ └───┴───┘

Pin Description: 1. GND: Ground 2. VCC: Supply Voltage 3. NC: No Connection 4. SDA: Serial Data Input/Output 5. SCL: Serial Clock Input 6. NC: No Connection 7. NC: No Connection 8. RST: Reset

Functional Features

• Temperature Measurement: The DS1708REUA accurately measures temperature within the specified range.
• Data Logging: It can log temperature data at a user-defined interval, allowing for long-term monitoring and analysis.
• Low Power Consumption: The IC operates on low power, making it suitable for battery-powered applications.
• I2C Interface: The device communicates using the I2C protocol, enabling easy integration with microcontrollers and other devices.

Advantages and Disadvantages

Advantages: - High accuracy temperature measurements - Compact size for easy integration into various applications - Low power consumption extends battery life - Configurable data logging interval for flexibility

Disadvantages: - Limited memory size for storing temperature data - Accuracy may be affected by external factors such as self-heating or thermal gradients

Working Principles

The DS1708REUA utilizes an internal temperature sensor to measure the ambient temperature. It converts the analog temperature readings into digital format and stores them in its internal memory. The device can be configured to log temperature data at regular intervals. The logged data can be accessed and retrieved using the I2C interface.

Application Field Plans

The DS1708REUA finds applications in various fields where temperature monitoring is critical. Some potential application areas include:

1. Cold Chain Management: Monitoring temperature during transportation and storage of perishable goods.
2. HVAC Systems: Controlling and optimizing heating, ventilation, and air conditioning systems.
3. Food Safety: Ensuring proper temperature control in food processing and storage facilities.
4. Medical Equipment: Monitoring temperature-sensitive medical equipment and supplies.
5. Industrial Processes: Monitoring temperature in manufacturing processes to ensure quality control.

Alternative Models

1. DS1921G-F5#: Similar temperature data logger with extended memory capacity.
2. DS18B20: Digital temperature sensor with programmable resolution and alarm functionality.
3. MAX31855: Thermocouple-to-digital converter with high accuracy and SPI interface.

Note: This is not an exhaustive list, and there may be other alternative models available in the market.

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