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規格
| 屬性 | 價值 |
| Shipping Restrictions | Mouser does not presently sell this product in your region. |
| Output Type | Digital |
| Accuracy | +/- 2 C |
| Minimum Operating Temperature | - 55 C |
| Maximum Operating Temperature | + 125 C |
| Package / Case | TO-92-3 |
| Interface Type | 1-Wire |
| Supply Voltage - Min | 3 V |
| Supply Voltage - Max | 5.5 V |
| Configuration | Local |
| Resolution | 9 bit |
| Shutdown | No Shutdown |
| Mounting Type | Through Hole |
| Brand | Analog Devices / Maxim Integrated |
| Product | Temperature Sensors |
| Product Type | Board Mount Temperature Sensor ICs |
| Series | DS18S20 |
| Subcategory | Sensors |
| Temperature Threshold | Programmable |
| Type | Temperature Sensor |
概述
Description
The DS18S20 is a digital temperature sensor that communicates over a 1-Wire interface, enabling easy integration into various applications. It features a temperature measurement range from -55°C to +125°C with an accuracy of ±0.5°C in the range of -10°C to +85°C. The sensor is powered either by an external supply or through parasitic power from the data line, making it versatile for different setups.
The DS18S20 has a 12-bit resolution, allowing you to convert temperature readings into digital values. Its unique 64-bit serial number enables multiple sensors to be connected on the same 1-Wire bus without address conflicts, simplifying multi-sensor networks.
Common applications include home automation, HVAC systems, and industrial temperature monitoring. The device is robust and can operate in harsh environments, making it suitable for various industrial and consumer applications. Overall, the DS18S20 is a reliable and easy-to-use solution for accurate temperature sensing.
The DS18S20 has a 12-bit resolution, allowing you to convert temperature readings into digital values. Its unique 64-bit serial number enables multiple sensors to be connected on the same 1-Wire bus without address conflicts, simplifying multi-sensor networks.
Common applications include home automation, HVAC systems, and industrial temperature monitoring. The device is robust and can operate in harsh environments, making it suitable for various industrial and consumer applications. Overall, the DS18S20 is a reliable and easy-to-use solution for accurate temperature sensing.
Equivalent
The DS18S20 chip is a digital temperature sensor compatible with the 1-Wire interface. Equivalent products include the DS18B20 (which offers higher precision and a wider temperature range) and the DS1822 (which has similar functionality with different specifications). Other alternatives are the MAX31820 and the LM75A, although the latter uses I2C instead of 1-Wire. Always consider specific requirements like accuracy, resolution, and interface when selecting an equivalent.
Features
The DS18S20 is a digital temperature sensor from Maxim Integrated, notable for its high accuracy and ease of use. Key features include:
1. Temperature Range: Operates from -55°C to +125°C with an accuracy of ±0.5°C from -10°C to +85°C.
2. Digital Output: Provides a 1-Wire® interface, allowing multiple sensors to be connected to a single data line, simplifying wiring.
3. Resolution: Programmable 9 to 12-bit resolution, allowing flexibility in precision.
4. Power Supply: Supports both powered and parasitic power modes for versatility in applications.
5. Non-volatile Memory: Stores critical configuration data and calibration information.
6. Alarms: Features programmable upper and lower temperature alarms.
7. Compact Package: Available in a small TO-92 or surface-mount package for easy integration into designs.
The DS18S20 is widely used in applications like HVAC systems, weather stations, and industrial equipment due to its reliability and ease of integration.
1. Temperature Range: Operates from -55°C to +125°C with an accuracy of ±0.5°C from -10°C to +85°C.
2. Digital Output: Provides a 1-Wire® interface, allowing multiple sensors to be connected to a single data line, simplifying wiring.
3. Resolution: Programmable 9 to 12-bit resolution, allowing flexibility in precision.
4. Power Supply: Supports both powered and parasitic power modes for versatility in applications.
5. Non-volatile Memory: Stores critical configuration data and calibration information.
6. Alarms: Features programmable upper and lower temperature alarms.
7. Compact Package: Available in a small TO-92 or surface-mount package for easy integration into designs.
The DS18S20 is widely used in applications like HVAC systems, weather stations, and industrial equipment due to its reliability and ease of integration.
Pinout
The DS18S20 is a digital temperature sensor with a 3-pin configuration. The pin functions are as follows:
1. GND (Ground): This pin connects to the circuit ground and provides a common reference point for the device.
2. DQ (Data Line): This is the bidirectional data pin used for communication. It allows the DS18S20 to send temperature readings and receive commands from a microcontroller or host device. The DQ pin operates on a single-bus system, enabling multiple devices to be connected to the same data line.
3. VDD (Power Supply): This pin provides the power supply to the sensor. The DS18S20 can operate on voltages from 3.0V to 5.5V.
The DS18S20 is known for its 9 to 12-bit user-selectable resolution and uses the 1-Wire communication protocol, making it easy to integrate into various applications.
1. GND (Ground): This pin connects to the circuit ground and provides a common reference point for the device.
2. DQ (Data Line): This is the bidirectional data pin used for communication. It allows the DS18S20 to send temperature readings and receive commands from a microcontroller or host device. The DQ pin operates on a single-bus system, enabling multiple devices to be connected to the same data line.
3. VDD (Power Supply): This pin provides the power supply to the sensor. The DS18S20 can operate on voltages from 3.0V to 5.5V.
The DS18S20 is known for its 9 to 12-bit user-selectable resolution and uses the 1-Wire communication protocol, making it easy to integrate into various applications.
Manufacturer
The DS18S20 is manufactured by Maxim Integrated, which is now part of Analog Devices, Inc. Maxim Integrated specializes in the design and production of analog and mixed-signal semiconductors. The company focuses on providing innovative solutions for various applications, including automotive, industrial, consumer electronics, and communications. Their product portfolio includes sensors, amplifiers, power management devices, and microcontrollers, among others.
The DS18S20 is a digital thermometer that uses the 1-Wire interface to communicate with microcontrollers. It is widely used in temperature sensing applications due to its high accuracy and ease of integration. The device is particularly popular in environments where multiple sensors are needed, as its 1-Wire technology allows for simple wiring and minimal pin usage.
Maxim Integrated, now part of Analog Devices, is recognized for its commitment to quality and performance in the semiconductor industry, providing reliable components for a variety of technological applications.
The DS18S20 is a digital thermometer that uses the 1-Wire interface to communicate with microcontrollers. It is widely used in temperature sensing applications due to its high accuracy and ease of integration. The device is particularly popular in environments where multiple sensors are needed, as its 1-Wire technology allows for simple wiring and minimal pin usage.
Maxim Integrated, now part of Analog Devices, is recognized for its commitment to quality and performance in the semiconductor industry, providing reliable components for a variety of technological applications.
Application
The DS18S20 is a digital temperature sensor widely used in various application areas, including:
1. Home Automation: Monitoring indoor and outdoor temperatures for smart home systems.
2. HVAC Systems: Used in heating, ventilation, and air conditioning for efficient temperature control.
3. Industrial Automation: Temperature monitoring in manufacturing processes and equipment.
4. Food Safety: Ensuring proper temperature in refrigeration and cooking to meet safety standards.
5. Environmental Monitoring: Tracking temperature in weather stations or environmental research.
6. Medical Applications: Monitoring body temperature in medical devices and patient care.
7. Consumer Electronics: Used in devices like refrigerators and ovens for temperature regulation.
1. Home Automation: Monitoring indoor and outdoor temperatures for smart home systems.
2. HVAC Systems: Used in heating, ventilation, and air conditioning for efficient temperature control.
3. Industrial Automation: Temperature monitoring in manufacturing processes and equipment.
4. Food Safety: Ensuring proper temperature in refrigeration and cooking to meet safety standards.
5. Environmental Monitoring: Tracking temperature in weather stations or environmental research.
6. Medical Applications: Monitoring body temperature in medical devices and patient care.
7. Consumer Electronics: Used in devices like refrigerators and ovens for temperature regulation.
Package
The DS18S20 is typically packaged in a TO-92 plastic package or as a surface-mount device (SMD). The TO-92 package resembles a small cylindrical can, while the SMD version is designed for mounting on circuit boards. Both variants facilitate easy integration into electronic applications for temperature sensing.