DS18B20Z

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DS18B20Z

SENSOR DIGITAL -55C-125C 8SOIC

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  • Mfr. Partie #DS18B20Z
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Spécifications

Part Status Obsolete
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 / Case 8-SOIC (0.154", 3.90mm Width)
Supplier Device Package 8-SOIC
Base Product Number DS18B20

Vue d'ensemble

Description

The DS18B20Z is a digital temperature sensor commonly used in various applications due to its accuracy, ease of use, and ability to communicate over a 1-Wire bus protocol. It provides temperature readings in Celsius or Fahrenheit with an accuracy of ±0.5°C over a range of -10°C to +85°C. The sensor can operate in temperatures ranging from -55°C to +125°C, making it suitable for extreme conditions.
The 1-Wire interface allows multiple DS18B20Z sensors to be connected to a single microcontroller pin, simplifying wiring and reducing costs. Each sensor has a unique 64-bit serial code, enabling individual identification in multi-sensor setups.
The DS18B20Z features a programmable resolution of 9 to 12 bits, allowing users to balance speed and accuracy according to their needs. It is widely used in applications such as HVAC systems, industrial monitoring, and home automation. The sensor is compact, robust, and often packaged in a waterproof housing for outdoor use. Overall, the DS18B20Z is a versatile and reliable choice for temperature sensing in various projects and environments.

Features

The DS18B20Z is a digital temperature sensor from Maxim Integrated, known for its accuracy and versatility. Key features include:
1. Temperature Range: Measures from -55°C to +125°C with an accuracy of ±0.5°C from -10°C to +85°C.
2. Digital Output: Communicates temperature readings via a 1-Wire interface, allowing multiple sensors to be connected to a single microcontroller pin.
3. Resolution: Programmable resolution from 9 to 12 bits, allowing for more precise measurements and trade-offs between speed and accuracy.
4. Power Supply: Operates on a wide voltage range of 3.0V to 5.5V and supports parasitic power mode, which simplifies wiring.
5. Built-in EEPROM: Stores configuration settings and temperature data.
6. Compact Package: Available in various package options including TO-92 and SOIC, facilitating easy integration into projects.
These features make the DS18B20Z suitable for various applications, including HVAC systems, weather stations, and home automation.

Package

The DS18B20Z is typically packaged in a TO-92 package, which is a small, cylindrical plastic package with three leads. It is designed for easy mounting and use in various temperature sensing applications.

Pinout

The DS18B20Z is a digital temperature sensor with a total of 3 pins. The functions of these pins are as follows:
1. VDD (Pin 1): This is the power supply pin. The DS18B20 operates with a voltage range of 3.0V to 5.5V.
2. GND (Pin 2): This is the ground pin, which is connected to the system ground.
3. DQ (Pin 3): This is the data pin, used for both data transmission and for powering the device in parasitic mode. The DQ pin is a single-wire interface that allows for communication with microcontrollers.
The DS18B20Z provides a digital output and can measure temperatures from -55°C to +125°C with a ±0.5°C accuracy. It supports 9 to 12-bit resolution, making it suitable for various temperature sensing applications.

Manufacturer

The DS18B20Z is manufactured by Maxim Integrated, which is now part of Analog Devices, Inc. Maxim Integrated specializes in high-performance analog and mixed-signal semiconductor solutions. The company provides a wide range of products including sensors, power management, interface, and signal processing devices. The DS18B20Z is a digital temperature sensor known for its accuracy and ease of use in various applications, particularly in embedded systems and environmental monitoring.

Application

The DS18B20Z is a digital temperature sensor widely used in applications such as HVAC systems, industrial temperature monitoring, consumer appliances, food processing, and medical devices. Its waterproof version is popular for aquaculture and environmental monitoring. The sensor's digital output and precise temperature range make it suitable for home automation and IoT projects, enabling real-time data collection and control in smart homes and remote sensing applications.

Equivalent

Equivalent products to the DS18B20Z chip include the DS18B20 (plastic package), DS18S20 (lower resolution, 9-bit), and the MAX31820 (similar functionality, different package). Other alternatives are the LM35 (analog output) and the MCP9808 (I2C interface). Always check specific features and compatibility for your application.

Expédition

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Référence des frais d'expédition (DHL/FedEx):

DHL: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 2 à 5 jours ouvrables.

FedEx: Les frais d'expédition varient de 25 à 40 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

UPS: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

TNT: Les frais d'expédition varient de 25 à 65 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

EMS: Les frais d'expédition varient de 30 à 50 $ (0,5 kg), avec un délai de livraison estimé de 7 à 15 jours ouvrables.

Courrier aérien enregistré: Le coût d'expédition est de 2 à 4 $ (0,1 kg), avec un délai de livraison estimé de 5 à 20 jours ouvrables.

Paiements

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