Model & package intelligence
Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
TWGMC SP485EN RS-485 Transceiver SP485EN
Configuration
1 options
Configuration
Date code within 2 years
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- TWGMC SP485EN
- Type
- TWGMC
- Minimum package
- 2500 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- TWGMC
- Electronic Component
- SP485EN
- Electronic Component
- 1
- Package
- SOP-8
- Type
- Transceiver
- Electronic Component
- RS-485 / RS-422IC
- Electronic Component
- 0.18g
- Electronic Component
- 32
- Electronic Component
- 1
- Electronic Component
- BM0227688441
- Operating Temperature
- 40℃~+85℃
- Operating Voltage
- 5V
- Receiver
- 1
- Data
- 2.5Mbps
- Communication
- Electronic Component
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
SP485EN 产品概述
一、产品简介
SP485EN 为 TWGMC（台湾迪嘉）推出的一款 RS-485/RS-422 类收发器，封装为 SOP-8。器件支持半双工通讯，工作电压 5V，适用于工业控制、楼宇自动化、数据采集等基于差分总线的多节点通讯场合。产品工作温度范围宽 (-40℃~+85℃)，适合常见工业环境使用。
二、主要特点
- 半双工通讯模式，单驱动器（Driver）与单接收器（Receiver）配置。
- 支持最大数据速率 2.5Mbps，能满足高速差分数据传输需求。
- 节点支持数目达 32，符合典型 RS-485 网络拓扑。
- 静态电流低至 500µA（无负载空闲态），利于低功耗系统设计。
- 工作电源 5V，便于与传统工业控制设备直接接口。
- 封装为 SOP-8，便于通用 PCB 布局与批量生产。
三、技术参数（摘要）
- 工作温度：-40℃ 至 +85℃
- 数据速率：2.5Mbps（最大）
- 静态电流：500µA（典型/空闲）
- 通讯模式：半双工
- 驱动器/接收器：1 驱动 / 1 接收
- 支持节点数：32
- 工作电压：5V
- 封装：SOP-8
四、应用场景
- 工业现场总线（如 Modbus over RS-485）
- 楼宇自动化与控制系统
- 远程数据采集与监控（SCADA）
- 仪器仪表内部差分串行链路
- 电力、交通等需要长距离差分通讯的场合
五、封装与引脚建议
SOP-8 封装适合自动贴片与回流焊工艺。建议在 VCC 引脚附近布置 0.1µF 旁路电容以抑制瞬态噪声；差分对 (A/B) 走线配对并保持阻抗一致，必要时在总线两端配置终端电阻及偏置电阻以保证总线静态逻辑电平。
六、使用建议与注意事项
- 半双工工作时，注意控制 DE/RE 引脚时序，避免驱动冲突。
- 在高速通讯或长总线情况下，合理选择终端电阻并控制分支数目与线缆阻抗。
- 电源与接地回路应尽量紧凑，减少共模干扰。
- 若在强电磁干扰环境中使用，考虑增加共模扼流圈或 TVS 抑制元件保护差分总线。
七、品牌与可靠性
TWGMC（台湾迪嘉）为品牌标识，产品定位工业级应用，工作温度与低静态电流指标体现了在功耗与环境适应性方面的平衡。如需完整器件数据手册、时序图或可靠性认证信息，建议向供应商索取原厂规格书以获得详细电气特性与典型应用电路。
如需我帮您输出引脚排列、典型应用接线图或与常见 MCU 的接口示例，请告知目标 MCU 型号与具体应用场景。
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