Overview
The DS18B20EVKIT# is an evaluation kit designed to demonstrate the capabilities of the DS18B20 1-wire digital thermometer. Produced by Analog Devices Inc./Maxim Integrated, this kit is a comprehensive tool for evaluating and integrating the DS18B20 sensor into various applications. The kit includes the DS18B20 evaluation kit (EV kit) and the USB2PMB2 adapter board, providing a user-friendly interface through Windows XP, Windows 7/8/8.1/10 compatible software. This setup allows users to easily explore the features and performance of the DS18B20 sensor.
Key Specifications
| Specification | Details |
|---|---|
| Temperature Range | -55°C to +125°C (-67°F to +257°F) |
| Temperature Resolution | 9-bit to 12-bit: 0.5°C, 0.25°C, 0.125°C, 0.0625°C respectively |
| Accuracy | ±0.5°C (from -10°C to +85°C) |
| Power Supply | 3.0V to 5.5V |
| Communication Protocol | 1-Wire interface |
| Package Types | TO92, Micro-MAX, Thin Shrink Small-Outline, etc. |
| Conversion Time | Up to 750 ms (12-bit resolution) |
Key Features
- Unique 64-Bit Serial Code: Each DS18B20 sensor has a unique 64-bit serial code for easy identification on a 1-Wire bus.
- Parasite Power Mode: The sensor can draw power directly from the data line, simplifying circuit design.
- Nonvolatile Memory: Stores a unique serial number and configuration information in EEPROM memory.
- Compact Size and Durability: Available in small form factors, often in stainless steel tubes, enhancing durability and suitability for outdoor applications.
- Fast Conversion Time: Temperature readings can be updated within 750 ms (12-bit resolution).
- Alarm Function: Programmable high and low temperature alarms.
- Proven PCB Layout and Fully Assembled: The evaluation kit comes with a proven PCB layout and is fully assembled and tested.
Applications
- Consumer Products: Suitable for various consumer electronics requiring temperature monitoring.
- Industrial Systems: Ideal for industrial automation, process monitoring, and control systems.
- Thermally Sensitive Systems: Used in thermometers, thermostatic controls, and other thermally sensitive applications.
- Scientific Research: Beneficial for scientific research due to its high precision and reliability.
- HVAC and Environmental Controls: Useful in HVAC systems and environmental controls within buildings, equipment, or machinery.
Q & A
- What is the DS18B20EVKIT#? The DS18B20EVKIT# is an evaluation kit for the DS18B20 1-wire digital thermometer, including the evaluation kit and the USB2PMB2 adapter board.
- What is the temperature range of the DS18B20 sensor? The DS18B20 sensor measures temperatures between -55°C and +125°C (-67°F to +257°F).
- What are the resolution options for the DS18B20? The DS18B20 offers resolutions of 9-bit, 10-bit, 11-bit, and 12-bit, providing precision levels of 0.5°C, 0.25°C, 0.125°C, and 0.0625°C respectively.
- How does the DS18B20 communicate? The DS18B20 communicates via a 1-Wire interface, requiring only one data line and ground for communication.
- Can the DS18B20 operate without an external power supply? Yes, the DS18B20 can operate in parasite power mode, drawing power directly from the data line.
- What is the unique feature of each DS18B20 sensor? Each DS18B20 sensor has a unique 64-bit serial code for identification on a 1-Wire bus.
- What is the conversion time for the DS18B20? The conversion time for the DS18B20 is up to 750 ms for 12-bit resolution.
- What are some common applications of the DS18B20? Common applications include consumer electronics, industrial systems, thermometers, thermostatic controls, and scientific research.
- Is the DS18B20 durable? Yes, the DS18B20 is known for its rugged design and is often packaged in stainless steel tubes, making it suitable for outdoor applications.
- Does the DS18B20 have programmable alarms? Yes, the DS18B20 has programmable high and low temperature alarms.
