DS18B20Z
Thermostats Programmable Resolution 1-Wire Digital Thermometer
Quantity | Unit Price(USD) | Ext. Price |
---|---|---|
1 | $0.519 | $0.52 |
10 | $0.464 | $4.64 |
30 | $0.438 | $13.14 |
100 | $0.411 | $41.10 |
500 | $0.347 | $173.50 |
1000 | $0.338 | $338.00 |
Inventory:4,192
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Part Number : DS18B20Z
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Package/Case : SOIC-8
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Manufacturer : Analog Devices
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Components Classification : Analog and Digital Output
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Datesheet : DS18B20Z DataSheet (PDF)
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Series : DS18B20
Overview of DS18B20Z
The DS18B20Z is a programmable resolution 1-Wire digital thermometer optimized for high accuracy temperature measurement and low power consumption. It provides excellent performance for various applications, including analog and digital signal switching.
Pinout
The DS18B20Z pinout refers to the configuration and function of each pin in its SOIC-8 package. This package typically includes a diagram showing the layout of the pins when viewed from the top down with pins named sequentially. Each pin on the DS18B20Z has a specific role such as power supply input, ground connection, or signal interface. The pinout details are crucial for integrating this component into a circuit as they ensure correct connections for optimal device performance. Designers and engineers must refer to the datasheet provided by the manufacturer to get accurate information regarding each pin's function and electrical characteristics.
Features
- Unique 1-Wire Interface: The DS18B20Z requires only one port pin for communication, reducing component count and simplifying distributed temperature-sensing applications with multidrop capability.
- Programmable Resolution: The device measures temperatures from -55°C to +125°C (-67°F to +257°F) with ±0.5°C accuracy from -10°C to +85°C, and offers programmable resolution from 9 bits to 12 bits.
- No External Components Required: The DS18B20Z does not require any external components for operation, making it a convenient choice for many applications.
- Parasitic Power Mode: The device operates in parasitic power mode, requiring only 2 pins (DQ and GND) for operation, which simplifies distributed temperature-sensing applications with multidrop capability.
- Flexible User-Definable Nonvolatile (NV) Alarm Settings: The DS18B20Z allows users to define nonvolatile alarm settings with an alarm search command that identifies devices with temperatures outside programmed limits.
- Unique 64-Bit Serial Code: Each device has a unique 64-bit serial code stored in on-board ROM, making it easy to identify and address individual devices.
Applications
- Vehicle Climate Control: The DS18B20Z is used in vehicle climate control systems to monitor temperature and provide accurate readings for heating and cooling systems.
- Temperature Alert Systems: The device is used in temperature alert systems that require precise temperature measurement and alarm settings.
- Distributed Temperature-Sensing Applications: The DS18B20Z is used in distributed temperature-sensing applications with multidrop capability, where multiple devices are connected to a single bus.
- Industrial Automation: The device is used in industrial automation systems that require precise temperature measurement and control.
- Aerospace Applications: The DS18B20Z is used in aerospace applications where high accuracy temperature measurement is critical for safety and performance.
Advantages and Disadvantages
Advantages
- High Accuracy Temperature Measurement: The DS18B20Z provides accurate temperature measurements with ±0.5°C accuracy from -10°C to +85°C.
- Low Power Consumption: The device operates in parasitic power mode, requiring only 2 pins (DQ and GND) for operation, which reduces power consumption.
- Simplified Distributed Temperature-Sensing Applications: The DS18B20Z simplifies distributed temperature-sensing applications with multidrop capability by reducing component count and complexity.
- Flexible User-Definable Nonvolatile (NV) Alarm Settings: The device allows users to define nonvolatile alarm settings, making it easy to monitor temperature and provide accurate readings for heating and cooling systems.
Disadvantages
- Limited Operating Temperature Range: The DS18B20Z has a limited operating temperature range of -55°C to +125°C (-67°F to +257°F), which may not be suitable for all applications.
- Complexity in Pinout and Circuit Design: The device's pinout and circuit design can be complex, requiring careful consideration when designing circuits that use the DS18B20Z.
Equivalents
For similar functionalities, consider these alternatives to the DS18B20Z:
- DS1822: The DS1822 is a digital thermometer with a unique 1-Wire interface and programmable resolution.
- DS1920: The DS1920 is a digital thermometer with a unique 1-Wire interface and high accuracy temperature measurement capabilities.
- MAX665: The MAX665 is a digital thermometer with a unique 1-Wire interface and programmable resolution, making it suitable for various applications.
Frequently Asked Questions
Q: What is the operating temperature range of the DS18B20Z?
A: The operating temperature range of the DS18B20Z is -55°C to +125°C (-67°F to +257°F).
Q: How does the DS18B20Z simplify distributed temperature-sensing applications with multidrop capability?
A: The DS18B20Z simplifies distributed temperature-sensing applications with multidrop capability by reducing component count and complexity, making it easy to integrate multiple devices on a single bus.
Q: What is the accuracy of the DS18B20Z's temperature measurement?
A: The DS18B20Z provides accurate temperature measurements with ±0.5°C accuracy from -10°C to +85°C.
Q: Can I use the DS18B20Z in aerospace applications?
A: Yes, the DS18B20Z is suitable for aerospace applications where high accuracy temperature measurement is critical for safety and performance.

Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
Product Category | Thermostats | RoHS | Details |
Accuracy | +/- 0.5 C | Product | Thermometers and Thermostats |
Brand | Analog Devices / Maxim Integrated | Maximum Operating Temperature | + 125 C |
Minimum Operating Temperature | - 55 C | Product Type | Thermostats |
Series | DS18B20 | Factory Pack Quantity | 100 |
Subcategory | Sensors | Part # Aliases | DS18B20Z 90-18B20+Z00 |
Unit Weight | 0.002942 oz |
Warranty & Returns
Warranty, Returns, and Additional Information
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QA & Return Policy ?
Parts Quality Guarantee: 365 days
Returns for refund: within 90 days
Returns for Exchange: within 90 days
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Shipping and Package ?
Shipping:For example, FedEx, JP, UPS, DHL,SAGAWA, or YTC.
Parts Packaging Guarantee: Featuring 100% ESD anti-static protection, our packaging incorporates high toughness and superior buffering capabilities.
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Payment ?
For example, channels like VISA,MasterCard,Western Union,PayPal,MoneyGram,Rakuten Pay and more.
If you have specific payment channel preferences or requirements, please get in touch with our sales team for assistance.

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DS18B20Z
Thermostats Programmable Resolution 1-Wire Digital Thermometer
Inventory:
4,192
Warranty & Returns
After Sales Service
What after-sales service can be provided?
We provide an extended quality assurance period of 365 days for all components we offer. If a return or exchange becomes essential, kindly adhere to these guidelines:
·Initiate the request within 90 days after the item's shipment date.
·Coordinate the return or exchange with our team.
·Keep the items in their original condition as delivered.
·Please be aware that the feasibility of returning or exchanging items is contingent upon an evaluation of their actual state upon return.
Shipping
What channels of transportation of goods does the website support?
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Package
How to ensure that the parts will be intact during transportation?
The items we ship will be packaged in anti-static bags, ensuring ESD anti-static protection, while the outer packaging boasts exceptional durability and sealing. We offer packaging options like Tape and Reel, Cut Tape, Tube, or Tray to suit your needs.




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Accepted payment methods commonly encompass VISA, MasterCard, UnionPay, Western Union, PayPal, and various other options.
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