WMSIC Electronic Components

HGSEMI CD4051BMT/TR CD4051BMT

ModelCD4051BMT/TR
PackageTSSOP-16
BrandHGSEMI
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 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
HGSEMI CD4051BMT / TR
Type
HGSEMI
Minimum package
2500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
HGSEMI
Electronic Component
CD4051BMT/TR
Electronic Component
1
Package
TSSOP-16
Electronic Component
Analog Switch / Multiplexer
Electronic Component
0.18g
Electronic Component
1
Channel Count
8
Features
Electronic Component
Electronic Component
BM0226614581
Operating Temperature
40℃~+85℃
Operating Voltage
3V~15V
Switch
8:1
(tpd)
7ns
Capacitor(Con)
0.2pF

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

CD4051BMT/TR 产品概述

一、产品简介

CD4051BMT/TR 是一款基于 CMOS 工艺的单片 8:1 模拟开关多路复用器,华冠(HGSEMI)出品,封装为 TSSOP-16。器件支持单电源或双电源工作,额定工作电压为 3V ~ 15V,工作温度范围为 -40℃ ~ +85℃。其结构适合在模拟信号与数字控制混合的系统中进行通道选择与信号路由。

二、主要参数

  • 开关路数:8:1(八通道对一公共端)
  • 工作电压:3V ~ 15V(单电源或双电源配置)
  • 工作温度:-40℃ ~ +85℃
  • 传播延迟 (tpd):7 ns(典型)
  • 导通电阻 (Ron):60 Ω(典型)
  • 导通电容 (Con):0.2 pF(典型)
  • 封装:TSSOP-16

三、功能特性

CD4051B 采用 CMOS 开关结构,具有高输入阻抗、低静态功耗与较低的导通电阻。较小的导通电容有利于保持较宽的带宽与低失真。器件通过三个地址控制端 (A、B、C) 实现对八个通道的快速选择,另设有使能/抑制脚以实现通道隔离或高阻态输出。

四、典型应用

  • 多通道 ADC 输入选择与传感器采集前端
  • 仪器仪表中的信号切换、测试测量系统
  • 音频、视频信号路由与切换(注意带宽与失真控制)
  • 数据采集系统、开关矩阵和自动化测试设备

五、设计与使用建议

  • 电源旁路:靠近 VCC 引脚放置 0.1 μF 陶瓷电容并并联适当的电解电容,抑制瞬态。
  • 信号范围:输入信号必须限制在 VEE(或 GND)与 VCC 之间,避免超出电源轨引起损伤或寄生二极管导通。
  • 布局:模拟通路尽量短且靠近共同接地,控制信号与模拟信号分开布线,减少耦合干扰。
  • Ron 影响:导通电阻会随电源电压、温度及开关状态变化,低频应用直接连接通常可接受;对精密或高阻测量应在开关后加缓冲放大器。
  • 开关瞬态:在高速切换或采样保持场合注意电荷注入与换挡毛刺,必要时采用断续时间(break-before-make)或外部滤波、采样电容。
  • ESD 与工艺:TSSOP-16 封装体积小,焊接需按厂家回流曲线执行,PCB 设计注意热阻和散热。

六、封装与引脚提示

TSSOP-16 提供紧凑的 PCB 占位,适用于高密度布局。引脚通常包括三个地址端、八个通道端、一公共端、使能端以及电源脚(VCC、VEE/GND)。设计时请参考华冠的完整引脚图与焊接规范,确保电源与地连接可靠。

七、总结

CD4051BMT/TR 以其宽电源范围、低导通电阻与低导通电容,适合在多通道模拟信号切换、数据采集与仪器控制等场景中使用。合理的电源旁路、布局与后端缓冲能最大程度发挥其性能,满足工业级温度与电压范围的应用需求。若需更详细的电气特性曲线与引脚图,请参阅产品规格书。

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