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DS18S20
+BOM-
ManufacturerAnalog Devices / Maxim Integrated
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Mfr. Part #DS18S20
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In Stock5242
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Specifications
| Attribute | Value |
| 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 |
Overview
Description
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
Features
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
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 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
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.