WMSIC Electronic Components

MAXLINEAR SP3070EEN-L/TR SP3070EEN

ModelSP3070EEN-L/TR
Package14-SOIC
BrandMAXLINEAR
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 25+

Available for RFQ

Technical data

Product details

20 specifications

Core information

Product name
MAXLINEAR SP3070EEN-L / TR
Type
MAXLINEAR
Unit
Electronic Component
Minimum package
2500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
MAXLINEAR
Electronic Component
SP3070EEN-L/TR
Electronic Component
1
Package
14-SOIC
Type
Transceiver
Electronic Component
RS-485 / RS-422IC
Electronic Component
0.418g
Electronic Component
256
Electronic Component
1
Features
Low Power
Electronic Component
BM0000515121
Operating Temperature
40℃~+85℃
Operating Voltage
3.3V
Receiver
1

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

SP3070EEN-L/TR 产品概述

SP3070EEN-L/TR 是 MAXLINEAR(迈凌)推出的一款单路驱动器/单路接收器的差分收发器(IC TRANSCEIVER FULL 1/1 14SOIC),封装为 14-SOIC,工作电压 3.3V,支持全双工通信,适用于工业级串行差分通信场合。该器件在低功耗、强静电防护与工业温度范围内具有良好表现,适合多节点总线及点对点高速可靠传输应用。

一、核心参数亮点

  • 类型:收发器(Transceiver);驱动器数:1;接收器数:1(全双工)
  • 工作电压:3.3 V(典型),适配现代低电压系统
  • 最大数据速率:250 kbps,满足中速工业串行通信需求
  • 支持节点数:最多可达 256 节点,适合大规模多点拓扑
  • 静态(静态/静态待机)电流:约 1.5 mA,低功耗设计适用于对能耗敏感的系统
  • 静电保护:±15 kV(典型,针对接触或空气放电的静电冲击具备良好耐受能力)
  • 工作温度范围:-40 ℃ 至 +85 ℃,满足工业级可靠性要求
  • 封装:14-SOIC(便于表面贴装自动化生产)
  • 封装型号与订货:SP3070EEN-L/TR(常见卷带包装,适合贴片机上料)

二、功能与特性说明

  • 全双工通信:独立的驱动器与接收器通道支持同时发送与接收数据,适用于点对点或需要并行双向链路的应用场景。
  • 差分信号传输:采用差分接口可提高抗干扰能力与共模抑制,适配工业现场复杂电磁环境。
  • 多节点支持:设计允许高达 256 个节点接入同一差分总线(视具体拓扑和负载而定),便于实现大规模分布式设备联网。
  • 工业级温度与静电防护:-40~+85 ℃工作温度和 ±15 kV 静电耐受,适合现场安装与经常有人接触的端口保护要求。
  • 低静态功耗:典型静态电流 1.5 mA,有利于降低系统待机能耗并延长供电设备寿命。

三、典型应用场景

  • 工业自动化现场总线、传感器网络与分布式控制系统
  • 串行通信模块、工业网关与远程 I/O 单元
  • 楼宇自控、安防系统与能源管理终端
  • 需要差分全双工链路的点对点/点对多点通信设备
  • 电池供电或低功耗要求的嵌入式终端

四、设计与使用建议

  • 电源退耦:在 VCC 引脚靠近器件放置 0.1 μF 陶瓷去耦电容,以抑制电源噪声并保证信号完整性。
  • 差分线匹配与终端:长距离或高抗干扰要求的差分线建议使用差分终端电阻(例如接近线缆特性阻抗的终端)并保持差分对阻抗控制。
  • 布线与接地:尽量使用短回路面积的布局,差分对对称布线,提供良好接地平面以降低 EMI 与噪声耦合。
  • ESD 保护与接口防护:虽然器件本身具备 ±15 kV 静电防护,仍建议在易受冲击的外部接口处采取额外的 TVS 或防护元件以提高系统可靠性。
  • 封装与贴装:14-SOIC 适配常见 PCB footprint,SP3070EEN-L/TR 的 -L/TR 后缀通常指卷带(tape & reel)供货,便于自动化贴装与生产线集成。

五、系统集成与测试关注点

  • 芯片功耗评估:静态 1.5 mA 为参考值,实际系统功耗还需考虑发送/接收活动时的动态电流。系统级测试应覆盖长时间工作与极端温度工况。
  • 总线负载能力:若接入大量节点或长线缆,需评估总线终端、反射与时序容限,保证 250 kbps 下的误码率满足预期。
  • 可靠性验证:在目标系统中进行热循环、ESD 模拟及长期老化试验,验证在 -40~+85 ℃、高湿或振动环境下的稳定性。

六、小结

SP3070EEN-L/TR 代表了一类适用于工业环境的 1/1 全双工差分收发器,具备 3.3V 低压供电、250 kbps 数据率、256 节点支持、±15 kV 静电防护与宽温工作范围等关键特性。其 14-SOIC 封装便于生产与替换,低静态电流有利于能耗控制。对于需要可靠差分通信、抗干扰与工业级可靠性的应用,SP3070EEN-L/TR 是一个值得优先考虑的解决方案。在最终设计中,建议参照器件完整规格书(Datasheet)进行引脚连接、滤波与布局优化,以确保系统达到最佳性能与可靠性。

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