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EXAR SP3088EEN-L/TR SP3088EEN
Configuration
1 options
Configuration
22+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- EXAR SP3088EEN-L / TR
- Type
- EXAR
- Minimum package
- 2500
Technical parameters
- Electronic Component
- EXAR
- Electronic Component
- SP3088EEN-L/TR
- Electronic Component
- 1
- Package
- SOIC-8
- Type
- Transceiver
- Electronic Component
- RS-485 / RS-422IC
- Electronic Component
- 0.24g
- Electronic Component
- 256
- Electronic Component
- 1
- Features
- Tx / Rx;;;; Low Power
- Electronic Component
- BM0230663417
- Operating Temperature
- 40℃~+85℃
- Operating Voltage
- 4.5V~5.5V
- Receiver
- 1
- Data
- 20Mbps
- Communication
- Electronic Component
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
SP3088EEN-L/TR 产品概述
一、简介
SP3088EEN-L/TR 是艾科嘉（EXAR）推出的一款高可靠性差分收发器，集成 1 路驱动器与 1 路接收器，专为工业级多节点半双工差分通信设计。器件在宽工作电压、低静态功耗与高静电防护间取得平衡，适用于需稳定长线传输与多节点连接的场景。
二、主要特性
- 工作电压：4.5V ～ 5.5V，兼容典型 5V 系统。
- 数据速率：最高 20 Mbps，支持高速差分数据传输。
- 驱动/接收通道：1 个驱动器、1 个接收器，半双工通信模式。
- 多节点支持：最多可支持 256 节点的总线结构，适合大规模分布式系统。
- 静态电流：典型值 400 μA，适合对待机功耗敏感的应用。
- 静电保护：对 I/O 引脚提供 ±15 kV（接触放电）级别的 ESD 防护，提升系统可靠性。
- 工作温度范围：-40℃ 至 +85℃，满足工业环境要求。
- 封装：标准 SOIC-8 封装，便于 PCB 布局与生产装配。
三、电气与环境参数要点
SP3088EEN-L/TR 在 4.5V–5.5V 电源下工作，设计时建议在 VCC 近端放置一个 0.1 μF 陶瓷旁路电容以抑制瞬态噪声。器件静态电流约 400 μA，有利于降低系统待机功耗；但在高数据率或重载驱动时应关注瞬态电流与热耗散。-40℃~+85℃ 的温度额定适用于多数室外或工控场合。器件总线引脚具有高达 ±15 kV 的 ESD 抗扰能力，能提高系统对现场静电放电的免疫性。
四、典型应用场景
- 工业现场总线与分布式控制系统；
- 多节点数据采集与传感器网络；
- 工程机械、楼宇自控与电力监控通信接口；
- 任何需在恶劣环境下实现高可靠差分半双工通讯的场合。
五、设计与布局建议
- 差分对走线尽量成对且等长，减少串扰与抖动。
- 在总线两端使用终端电阻以匹配特性阻抗，避免反射。
- 对于多节点系统，采用偏置（fail-safe）电阻以确保空闲状态的确定性。
- VCC 必须靠近器件放置去耦电容；信号回流路径要短且连贯，减少环路面积。
- 考虑外部 TVS 或额外的过压保护以应对瞬态电压冲击，进一步提升系统稳健性。
六、封装与订购信息
- 品牌：EXAR（艾科嘉）。
- 型号：SP3088EEN-L/TR。
- 封装：SOIC-8，卷带盘装（Tape & Reel）适合自动贴片生产。
在选型时可根据目标系统的总线拓扑和电磁兼容要求，配合合适的外部终端与保护元件，确保长期可靠运行。
总结：SP3088EEN-L/TR 以其工业级温度范围、较高的数据速率、低静态功耗与强 ESD 防护，适合要求稳定、多节点半双工差分通信的工业与嵌入式应用。
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