DS1708EPA

Product Overview

• Category: Integrated Circuit
• Use: Temperature Data Logger
• Characteristics: High accuracy, low power consumption, compact size
• Package: 8-pin PDIP (Plastic Dual In-line Package)
• Essence: The DS1708EPA is a temperature data logger designed for various applications where monitoring and recording temperature is crucial.
• Packaging/Quantity: Available in tubes of 25 units

Specifications

• Temperature Range: -40°C to +85°C
• Resolution: 0.5°C
• Accuracy: ±2°C
• Memory Capacity: 2048 bytes
• Sampling Rate: Programmable from 1 second to 255 minutes
• Power Supply: 3V to 5.5V

Detailed Pin Configuration

The DS1708EPA has the following pin configuration:

1. VCC: Power supply input
2. GND: Ground connection
3. DQ: Data input/output
4. RST: Reset pin
5. CLK: Clock input
6. NC: No connection
7. NC: No connection
8. NC: No connection

Functional Features

• Temperature Logging: The DS1708EPA can accurately measure and log temperature at regular intervals.
• Non-Volatile Memory: The recorded temperature data is stored in non-volatile memory, ensuring data integrity even during power loss.
• Low Power Consumption: The device operates with minimal power consumption, extending battery life.
• Alarm Function: The DS1708EPA can be programmed to trigger an alarm when the temperature exceeds a certain threshold.

Advantages and Disadvantages

Advantages: - High accuracy temperature measurements - Compact and easy to integrate into various systems - Wide temperature range for versatile applications - Non-volatile memory ensures data integrity

Disadvantages: - Limited memory capacity compared to some other temperature data loggers - Resolution of 0.5°C may not be sufficient for certain high-precision applications

Working Principles

The DS1708EPA utilizes a built-in temperature sensor to measure the ambient temperature. The measured temperature is then converted into digital data and stored in its non-volatile memory. The device can be programmed to sample the temperature at regular intervals, allowing for continuous monitoring.

Detailed Application Field Plans

The DS1708EPA finds applications in various fields where temperature monitoring is critical. Some examples include:

1. Cold Chain Management: Monitoring temperature during transportation and storage of perishable goods.
2. HVAC Systems: Ensuring optimal temperature control in heating, ventilation, and air conditioning systems.
3. Pharmaceutical Storage: Monitoring temperature in pharmaceutical warehouses and refrigerators to maintain product quality.
4. Food Safety: Verifying temperature compliance in food processing and storage facilities.
5. Research and Development: Temperature monitoring in laboratories and experimental setups.

Detailed and Complete Alternative Models

1. DS1921G-F5#: Similar to DS1708EPA but with extended memory capacity (8192 bytes).
2. DS18B20: Digital temperature sensor with programmable resolution and wide temperature range.
3. TMP36: Analog temperature sensor with low power consumption and easy integration.

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