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UMW SN75LBC184DR
Configuration
1 options
Configuration
Date code within 2 years
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- UMW SN75LBC184DR
- Type
- UMW
- Minimum package
- 2500 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- UMW
- Electronic Component
- SN75LBC184DR
- Electronic Component
- 1
- Package
- SOP-8
- Type
- Transceiver
- Electronic Component
- RS-485 / RS-422IC
- Electronic Component
- 0g
- Electronic Component
- 128
- Electronic Component
- 1
- Electronic Component
- BM0228532359
- Operating Temperature
- 20℃~+85℃
- Operating Voltage
- 4.75V~5.25V
- Receiver
- 1
- Data
- 250Kbps
- Static Current
- 300uA
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
SN75LBC184DR 产品概述
一、产品简介
SN75LBC184DR 为友台半导体（UMW）推出的一款单路收发器，集成1个驱动器与1个接收器，适用于差分多点通信场合。器件工作电压为4.75V5.25V，在-20℃+85℃工作温度范围内可靠运行，针对体积受限的应用以SOP-8封装提供，兼顾功能与易用性。
二、主要参数
- 类型：收发器（单驱动/单接收）
- 工作电压：4.75V ~ 5.25V
- 数据速率：最高250 kbps
- 支持节点数：最多128节点（多点总线应用）
- 静态电流：典型300 μA（低待机功耗）
- 静电保护：±15 kV（人体模型）
- 工作温度：-20℃ ~ +85℃
- 封装：SOP-8
三、功能特点
- 单通道差分收发，适合多节点总线结构。
- 供电在5V ±5%范围内稳定工作，便于与典型5V系统接口。
- 支持高达250 kbps 的数据速率，满足多数工业及楼宇级通信需求。
- 低静态电流设计，有利于待机节能与电池供电场景。
- 强化ESD保护（±15kV），提高现场抗干扰能力与可靠性。
- 宽温度工作范围适配普通工业级应用环境。
四、典型应用
- 工业控制总线与远程I/O模块
- 楼宇自动化与安防系统通信接口
- 数据采集与测量仪表的差分通信
- POS、门禁等需多节点互联的本地网络
五、封装与接口提示
SOP-8 封装便于手工焊接与批量贴片。外形小巧，便于在空间受限的控制板上布置。引脚排列应参考芯片手册，关键注意电源旁布置0.1 μF去耦电容，保证电源稳定。
六、使用建议与注意事项
- 总线两端应采用合适的终端电阻以抑制反射；若为长线或高速应用，依据线缆特性选择阻值（常见做法为匹配电阻）并考虑偏置电阻确保空闲态可靠。
- 在布局上将敏感信号线远离强干扰源，VCC与GND走低阻抗回路。
- 考虑节点数量接近128时，总线负载与线缆电容对速率影响显著，应评估链路长度与节点分布。
- 在实际设计前，请参照厂商完整数据手册以确认引脚功能、电气特性及时序要求。
本产品以兼顾性能、抗扰与低功耗为目标，适用于要求稳健差分通信的多点网络场景。
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