WMSIC Electronic Components

SGMICRO SGM4518XS16G/TR SGM4518XS16G

ModelSGM4518XS16G/TR
PackageSOIC-16
BrandSGMICRO
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

19 specifications

Core information

Product name
SGMICRO SGM4518XS16G / TR
Type
SOIC-16
Minimum package
2500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
SGMICRO
Electronic Component
SGM4518XS16G/TR
Electronic Component
1
Package
SOIC-16
Electronic Component
Analog Switch / Multiplexer
Electronic Component
0.288g
Electronic Component
1
Channel Count
1
Features
Analog
Electronic Component
BM0257575833
Operating Temperature
40℃~+125℃
Operating Voltage
3.2V~36V;-18V~-3.2V
Switch
8:1
Resistor(Ron)
22Ω
Electronic Component
Electronic Component

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

SGM4518XS16G/TR 产品概述

一、产品简介

SGM4518XS16G/TR 是由 SGMICRO(圣邦微)推出的一款高耐压模拟开关器件,封装为 SOIC-16。器件采用 8:1 开关电路结构(8 路输入选择到 1 路输出),单通道多路复用设计,适用于信号通断与多路选择场合。器件工作温度范围宽(-40℃ 到 +125℃),适合工业与汽车级等苛刻环境。

二、关键特性

  • 开关结构:8:1 模拟多路开关(单通道输出)
  • 工作电压范围:支持单电源供电 3.2V ~ 36V,或在特定应用下允许负电压工作 -18V ~ -3.2V(具体应用时请参照器件数据手册)
  • 导通电阻(Ron):典型值 22Ω(在不同工作电压与温度下 Ron 会有变化)
  • 工作温度:-40℃ ~ +125℃,适合工业级使用
  • 封装:SOIC-16,便于 PCB 布局与焊接

以上参数决定了该器件适合处理中低频模拟信号与数字信号的多路切换,但对超低阻抗或高精度模拟路径要求需谨慎评估。

三、典型应用

  • 数据采集系统(多路传感器输入切换)
  • 工业控制与监测(多通道输入选择)
  • 自动测试测量设备(信号切换与多路扫描)
  • 电源管理与电池监测(需注意电压极性与范围)
  • 一般模拟/数字信号多路复用场合

四、使用要点与 PCB 布局建议

  • 电源与去耦:在器件供电端附近放置适当的去耦电容(如 0.1μF 与 1μF 并联),以降低瞬态干扰。
  • 控制逻辑:器件地址及使能脚的驱动需满足器件的输入电平要求,避免不确定电平造成误切换。
  • 热与功耗:22Ω 的导通电阻在大电流下会产生功耗与热量,上板设计时应考虑电流限制与散热路径,避免长期高电流通过导致温升。
  • 布线:模拟输入输出走线应尽量短且远离高速数字线,避免耦合干扰;若存在大电压边界,应增加限流或钳位元件保护。
  • 开关瞬态:注意电荷注入与开关瞬态,关键模拟测量通道可增加缓冲放大器或滤波器以改善精度。
  • ESD 与浪涌保护:在工业应用中建议在外部信号入口处增加 TVS 或限流保护元件,防止浪涌与静电损伤。

五、选型对比与注意事项

SGM4518 适合需要宽电源范围与工业温度等级的多路开关场合。若应用要求更低的导通电阻、高速切换或更低的失真(如高保真音频、精密测量),建议比较 Ron 更低、保持电荷注入更小的专用模拟开关或模拟多路复用器。选型时应综合考量工作电压、最大信号幅值、开关速度、失真、功耗以及环境可靠性要求,并参考官方数据手册中的典型曲线与限制条件以获得最佳设计效果。

如需引脚分配、控制脉冲时序或更详细的电气特性建议,建议查阅 SGM4518 的完整数据手册或联系供应商获取支持。

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