WMSIC Electronic Components

Siproin SSP3085

ModelSSP3085
PackageSOP-8
BrandSIPROIN
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 Electronic Component

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
Siproin SSP3085
Type
SIPROIN
Minimum package
4000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
SIPROIN
Electronic Component
SSP3085
Electronic Component
1
Package
SOP-8
Type
Transceiver
Electronic Component
RS-485 / RS-422IC
Electronic Component
0.049g
Electronic Component
256
Electronic Component
1
Features
Tx / Rx
Electronic Component
BM0265529368
Operating Temperature
40℃~+85℃
Operating Voltage
5V
Receiver
1
Data
500Kbps

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

SSP3085 产品概述

一、产品简介

SSP3085 是上海矽朋(Siproin)推出的一款通用差分收发器,封装为 SOP-8(150mil),适用于工业现场总线与多点通讯场合。器件支持 RS485/RS422/RS232/RS562 等常见串行接口应用,工作电压为 5V,半双工通讯模式,数据速率可达 500 kbps,能够满足多数工业控制、楼宇自控与远程仪表的数据传输需求。

二、主要性能参数

  • 工作温度:-40 ℃ 到 +85 ℃,适合工业级环境。
  • 数据速率:最高 500 kbps,适用于常见现场总线与半双工网络。
  • 静态电流:典型 480 µA(空闲/静止状态电流),低功耗设计有利于系统节能。
  • 通讯模式:半双工(单对差分总线收发),一个驱动器(Driver)与一个接收器(Receiver)。
  • 工作电压:5 V 单电源供电,便于与传统工业设备接口。
  • 抗静电能力:ESD ±15 kV(典型按 IEC61000-4-2 规格),提高系统可靠性。
  • 支持节点数:可扩展至 256 节点(多点网络支持,取决于总线终端与驱动器负载能力)。
  • 封装:SOP-8(150mil),便于常规贴片工艺。

三、典型应用场景

  • 工业现场总线(如 MODBUS-RTU、半双工 RS485 网络)
  • 楼宇自动化与安防系统通讯节点
  • 远程数据采集(RTU)、仪表与传感器网络
  • 电梯控制、楼宇照明与能源管理系统
  • 需要抗静电与多节点支持的嵌入式串口扩展场合

四、设计与使用注意事项

  • 总线终端:长距离差分总线应在两端采用终端电阻(典型 120 Ω)以抑制反射;对于多点网络,根据拓扑避免中间分叉产生信号畸变。
  • 偏置与失效保护:半双工总线需提供适当偏置(上拉/下拉)实现空闲线状态判定(fail-safe),可在器件或总线上实现。
  • 电源与去耦:靠近器件引脚布局 0.1 µF 陶瓷去耦电容,降低电源噪声并改善瞬态响应。
  • PCB 布线:差分对走线长度匹配,控制阻抗(约 100 Ω 差分),避免长 stub,接地回流路径合理设计以降低干扰。
  • ESD 防护:尽管器件具有 ±15 kV 的静电耐受能力,但在易受干扰环境仍建议外部 TVS 或浪涌保护器件配合使用以提升系统鲁棒性。

五、封装与选型建议

SSP3085 采用常规 SOP-8 封装(150mil),适合手工焊接与自动贴装。选型时应注意系统工作温度与节点数量需求,若网络节点众多或需要更高传输速率,可评估器件时序与驱动能力以确保总线信号完整性。

六、总结

SSP3085 以其工业级温度范围、低静态功耗、较高的 ESD 抗扰性能以及对多种串行接口的兼容性,成为工业控制、楼宇自控与多点总线应用的稳健选择。合理的 PCB 布局、终端匹配与电源去耦能显著提升系统可靠性与通讯稳定性。如需进一步电气参数(如接收灵敏度、差模输入范围、驱动能力、热阻等)或参考电路图,请参考厂商数据手册或联系供应商获取完整规格表与应用参考。

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