DS18B20Z+

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DS18B20Z+

+BOM

SENSOR DIGITAL -55C-125C 8SOIC

  • Nhà sản xuấtAnalog Devices Inc./Maxim tích hợp

  • Ông. Phần #DS18B20Z+

  • Có sẵn3166

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Thông số kỹ thuật

thuộc tính Giá trị
Part Status Obsolete
Base Product Number DS18B20
Sensor Type Digital, Local
Sensing Temperature - Local -55°C ~ 125°C
Output Type 1-Wire®
Voltage - Supply 3V ~ 5.5V
Resolution 12 b
Features Output Switch, Programmable Limit, Programmable Resolution
Accuracy - Highest (Lowest) ±0.5°C (±2°C)
Test Condition -10°C ~ 85°C (-55°C ~ 125°C)
Operating Temperature -55°C ~ 125°C
Mounting Type Surface Mount
Package 8-SOIC (0.154", 3.90mm Width)
Supplier Device Package 8-SOIC
Packaging Tube

Tổng quan

Description

The DS18B20Z+ is a digital temperature sensor manufactured by Maxim Integrated. It offers high precision and a wide operating range, making it suitable for various applications in consumer electronics, industrial systems, and environmental monitoring. This sensor utilizes the 1-Wire communication protocol, allowing it to communicate over a single data line, which simplifies wiring and reduces infrastructure costs. Each DS18B20Z+ has a unique 64-bit serial code, enabling multiple sensors to function on the same 1-Wire bus.
The sensor provides temperature readings with a resolution ranging from 9 to 12 bits, allowing for adjustments based on the required accuracy and data acquisition speed. It operates within a temperature range of -55°C to +125°C with an accuracy of ±0.5°C in the -10°C to +85°C range. The DS18B20Z+ can be powered through its data line (parasite power) or externally, providing flexibility in various deployment scenarios. Its small package and low power consumption make it ideal for use in portable and space-constrained applications. The sensor is also known for its robustness and reliability in different environmental conditions.

Equivalent

The DS18B20Z+ is a digital temperature sensor from Maxim Integrated. Equivalent products include:
1. DS18B20 - The standard model without the "+" designation.
2. DS18S20 - Similar digital temperature sensor with slightly different resolution.
3. DHT22 (AM2302) - A digital temperature and humidity sensor.
4. TMP36 - An analog temperature sensor.
5. LM35 - Another analog temperature sensor.
Keep in mind that while these alternatives may offer similar functionalities, their interfaces and specifications might differ.

Features

The DS18B20Z+ is a digital temperature sensor with the following key features:
1. Temperature Range: It measures temperatures from -55°C to +125°C with an accuracy of ±0.5°C over a range of -10°C to +85°C.

2. Resolution: Offers user-selectable resolution from 9 to 12 bits.

3. One-Wire Interface: Utilizes a unique 1-Wire interface that requires only one data line (and ground) for communication.

4. Unique 64-Bit Serial Code: Each sensor has a unique 64-bit serial code, allowing multiple sensors to be connected to the same bus.

5. No External Components: Does not require any external components, facilitating easy setup and deployment.

6. Power Supply Options: Can be powered either through an external power supply or parasitically via the data line.

7. Alert Feature: Includes a programmable temperature alarm function with nonvolatile user-programmable upper and lower trigger points.

8. Applications: Suitable for applications including thermostatic controls, industrial systems, consumer products, and thermometers.

The compact 3-pin TO-92 package or 8-pin SOIC package options make it adaptable for various applications requiring precise temperature monitoring.

Pinout

The DS18B20Z+ is a temperature sensor with three pins:
1. GND (Ground): This pin is used to connect the sensor to the ground of the system it is interfacing with.
2. DQ (Data): This pin serves as a data line for communication. It is used to send and receive data to and from a microcontroller. The DS18B20 operates on a 1-Wire protocol, allowing for data transmission over a single data line.
3. VDD (Power Supply): This pin can be used to power the sensor with a supply voltage, typically between 3.0V and 5.5V. However, the DS18B20 can also operate in "parasite power" mode, which uses the DQ line for power, eliminating the need for a direct connection to a power supply on the VDD pin.
The DS18B20Z+ measures temperature with a high degree of accuracy and provides a digital output. It is widely used in various applications due to its simplicity, low cost, and ease of integration with microcontrollers.

Manufacturer

The DS18B20Z+ is manufactured by Maxim Integrated, which is now a part of Analog Devices, Inc. Maxim Integrated was known for designing and manufacturing analog and mixed-signal integrated circuits. They provided products for a wide range of applications, including industrial, automotive, consumer, and communications sectors. With its acquisition by Analog Devices in 2021, the combined entity continues to offer a broad portfolio of semiconductor solutions, enhancing capabilities in analog, mixed-signal, power management, and digital processing. The DS18B20Z+ itself is a digital temperature sensor, popular for its precision and ease of use in various electronic and embedded system projects.

Application

The DS18B20Z+ is a digital temperature sensor widely used in various applications due to its precision and ease of integration. Key application areas include:
1. Weather Stations: For monitoring ambient temperature.
2. HVAC Systems: To regulate and maintain desired temperature levels.
3. Industrial Temperature Monitoring: Used in processes where precise temperature tracking is critical.
4. Consumer Electronics: To prevent overheating by monitoring the temperature of devices.
5. Home Automation: For smart thermostats and climate control systems.
6. Medical Devices: In applications where monitoring the temperature of equipment or patients is required.
7. Refrigeration Systems: Ensuring optimal temperatures are maintained for food safety.
Its 1-Wire interface and wide operating temperature range make it versatile for these applications.

Package

The DS18B20Z+ is a digital temperature sensor from Maxim Integrated, and it typically comes in a TO-92 package. This package is small, resembling a transistor, and is designed for through-hole mounting, which is suitable for various applications requiring accurate temperature sensing.

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