DS18S20+

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DS18S20+

+BOM

SENSOR DIGITAL -55C-125C TO92-3

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Specifications

Attribute Value
Package Tape & Reel (TR),Cut Tape (CT)
Series Grid-EYE
ProductStatus Active
SensorType Digital, Infrared (IR)
SensingTemperature-Remote 0°C ~ 80°C (IR)
OutputType I²C
Voltage-Supply 3.3V
Features Sleep Mode, Standby Mode, Thermal Array
Accuracy-Highest(Lowest) ±2.5°C
TestCondition 0°C ~ 80°C
OperatingTemperature 0°C ~ 80°C
MountingType Surface Mount
Package/Case 14-SMD Module
SensingTemperature-Local -55°C ~ 125°C
Resolution 7 b

Overview

Description

The DS18S20+ is a digital thermometer sensor manufactured by Maxim Integrated. It's designed to accurately measure temperature in a range of -55°C to +125°C with an accuracy of ±0.5°C over much of the range. The DS18S20+ communicates over a 1-Wire bus, which means it requires only one data line (and ground) to communicate with a microcontroller, making it an efficient option for embedded systems.
This sensor is particularly useful for applications where multiple sensors need to be connected in parallel, as each DS18S20+ features a unique 64-bit serial code that allows for multi-drop capability. Power can be supplied via a direct connection or through "parasite power," which uses the data line to draw power, reducing the need for extra wires.
The DS18S20+ is popular in consumer electronics, industrial systems, and environmental monitoring due to its simplicity, reliability, and ability to operate in harsh conditions. It's widely used in projects requiring precise temperature readings and minimal wiring.

Equivalent

The DS18S20+ is a digital temperature sensor with a 1-Wire interface. Equivalent products include the DS18B20, which offers higher resolution and similar functionality. Other alternatives are the MAX31820, offering extended temperature range and similar interfacing, and the DHT22 (or AM2302), which includes humidity sensing in addition to temperature. While these alternatives may offer additional features or slight variations, they serve similar basic functions for temperature sensing applications.

Features

The DS18S20+ is a digital thermometer sensor known for its precision and ease of use. Key features include:
1. Temperature Range: Measures temperatures from -55°C to +125°C (-67°F to +257°F) with an accuracy of ±0.5°C from -10°C to +85°C.

2. Digital Output: Provides a digital output via a 1-Wire interface, allowing communication over a single data line, which simplifies connectivity and reduces wiring complexity.
3. Unique 64-Bit Serial Code: Each sensor has a unique 64-bit serial code, enabling multiple sensors to function on the same data bus.
4. Power Supply Options: Can operate in parasite power mode, eliminating the need for an external power supply, which is useful for remote or battery-operated applications.
5. Resolution: Typically outputs 9-bit resolution but can provide higher precision by filtering readings or using oversampling techniques.
6. Applications: Ideal for applications in consumer electronics, industrial systems, thermostatic controls, or any other application requiring precise temperature monitoring.
These features make the DS18S20+ a versatile choice for various temperature sensing tasks.

Pinout

The DS18S20+ is a digital temperature sensor with a 3-pin configuration. The pin functions are as follows:
1. GND (Ground): This pin is used to connect the sensor to the ground of the circuit. It serves as the reference point for the sensor's operation.
2. DQ (Data): This is the data input/output pin. It is used for communication between the sensor and a microcontroller or other control unit. The sensor uses the 1-Wire protocol for data transmission, which allows both power and data to be sent over a single wire when used in parasitic power mode.
3. VDD (Power Supply): This pin provides power to the sensor. It can be connected to a power supply voltage between 3.0V and 5.5V. In parasitic power mode, this pin can be connected to ground, making it possible to operate the sensor with only two wires (GND and DQ).
The DS18S20+ is widely used for measuring temperature in various applications due to its ease of use and the capability of being used in a network of multiple sensors.

Manufacturer

The DS18S20+ is a digital thermometer produced by Maxim Integrated, which is now part of Analog Devices, Inc. Maxim Integrated was known for designing and manufacturing analog and mixed-signal integrated circuits. As a technology company, it focused on creating a wide range of products including sensors, power management ICs, amplifiers, and data converters. The DS18S20+ is a temperature sensor that provides digital temperature readings and is used in various applications for temperature monitoring and control.

Application

The DS18S20+ is a digital temperature sensor commonly used in various applications due to its precision and ease of use. Key application areas include:
1. HVAC Systems: For monitoring and controlling temperature in heating, ventilation, and air conditioning systems.
2. Weather Stations: Used in meteorological equipment to gather temperature data.
3. Consumer Electronics: Embedded in devices requiring temperature regulation, like thermostats and smart home devices.
4. Industrial Automation: For process control in manufacturing environments where temperature monitoring is crucial.
5. Data Centers: Employed to prevent overheating and maintain optimal operating conditions.
6. Medical Devices: Utilized in equipment where precise temperature readings are critical.
Its simple interface and wide temperature range make it versatile for numerous applications.

Package

The DS18S20+ temperature sensor is typically available in a TO-92 package. This package type is compact and often used for small-scale applications. It features three pins for connection: ground, data (DQ), and power (VDD), although it can operate in a parasitic power mode using just two pins.

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