WMSIC Electronic Components

UMW DS18B20

ModelDS18B20
PackageTO-92
BrandUMW
Price Price on request Electronic component prices change quickly with market supply and demand. Please refer to the latest WMSIC quotation for current pricing.
Configuration
1 options
Configuration Date code within 2 years

Available for RFQ

Technical data

Product details

17 specifications

Core information

Product name
UMW DS18B20
Type
UMW
Minimum package
2000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
UMW
Electronic Component
DS18B20
Electronic Component
1
Package
TO-92
Electronic Component
Temperature Sensor
Electronic Component
±0.4℃
Electronic Component
0g
Electronic Component
1
Electronic Component
BM0084288895
Operating Voltage
3V~5.5V
Electronic Component
55℃~+125℃
Electronic Component
Electronic Component
Electronic Component
2000

For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.

DS18B20 产品概述

DS18B20 是一种数字温度传感器,广泛应用于各种温度测量和监控系统。该传感器由友台半导体(UMW)生产,具有灵活的工作温度范围和精确的数字输出,因而在工业、家居自动化和环境监测等多个领域得到了广泛的应用。

主要特性

  1. 测量范围
    DS18B20 的测量范围为 -55°C 到 125°C,这使它能够满足大部分实际应用中的温度需求。其可以用于极端环境下的温度监测,这对于诸如冷链物流、气象监测和 HVAC 系统等领域至关重要。

  2. 分辨率与精度
    DS18B20 支持 9-bit 到 12-bit 的可编程分辨率,这意味着用户可以根据具体需求在测量精度和响应速度之间进行权衡。最高分辨率下的精度为±0.5°C,这确保了温度读数的可靠性。此外,数字化输出消除了模拟信号传输中的噪声干扰,进一步提高了测量精度。

  3. 输出方式
    该传感器采用单总线(1-Wire)通信协议,用户只需使用一条数据线即可实现多点连接,这是其相较于传统模拟温度传感器的显著优势。借助这种通信方式,最多可连接 128 个 DS18B20 温度传感器到同一个总线,提高了系统的扩展性和灵活性。

  4. 封装与体积
    DS18B20 采用 TO-92 封装,这种传统的半导体封装形式尺寸小巧、便于在电路中集成。TO-92 封装也常用于其他类型的电子元器件,因此其兼容性较好。

应用领域

DS18B20 的广泛应用领域涵盖了以下几个方面:

  1. 家居自动化
    在智能家居系统中,DS18B20 常常用于室内外温度监测,通过与智能控制器配合,能够实现自动调节空调、暖气和空气流通设备的功能,以达到节能和舒适的效果。

  2. 环境监测
    环境监测设备中,DS18B20 可以用于实时监测空气和水体的温度,帮助研究者分析生态环境的变化,为科研工作提供数据支持。

  3. 工业控制
    在工业环境中,DS18B20 能够监测机器和设备的工作温度,从而为设备的安全运行提供保障,避免因过热导致的故障和损失。

  4. 冷链物流
    该传感器在冷链物流领域也有重要应用,能够实时监测运输过程中商品(如生鲜食品和药品)的温度变化,确保食品和药品的质量。

结论

DS18B20 数字温度传感器凭借其宽广的测量范围、可编程的分辨率、简单的接口以及小巧的封装,成为市场上最受欢迎的温度传感器之一。它不仅具备出色的测量性能,还能适应多种复杂的应用场合,对于用户来说,不仅能得益于其高精度的温度监测,还可通过一条数据线连接多个传感器,节约了布线成本,简化了设计过程。

无论是在家庭还是工业领域,DS18B20 都以其优越的性能和可靠性,为各种温度监测与控制系统提供了强大的支持。随着智能设备与物联网技术的发展,DS18B20 的应用前景仍然广阔,必将在更多新兴领域中展现出更大的潜力。

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