WMSIC Electronic Components

HGSEMI CD4051BLQ/TR CD4051BLQ

ModelCD4051BLQ/TR
PackageQFN-16(3x3)
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 CD4051BLQ / TR
Type
HGSEMI
Minimum package
5000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
HGSEMI
Electronic Component
CD4051BLQ/TR
Electronic Component
1
Package
QFN-16(3x3)
Electronic Component
Analog Switch / Multiplexer
Electronic Component
0.106g
Electronic Component
1
Channel Count
1
Features
Analog
Electronic Component
BM0264336362
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.

CD4051BLQ/TR 产品概述

CD4051BLQ/TR 是华冠(HGSEMI)基于先进 CMOS 工艺设计的一款高性能单刀八掷(8:1)模拟多路复用器/解复用器。器件集成了一个公共端与八个独立通道,通过三个二进制地址输入(A、B、C)进行通道选择,并带有使能端 INH,实现灵活的模拟信号路由。器件采用 QFN-16 (3×3 mm) 紧凑封装,适合空间受限的系统设计,并以卷带包装(/TR)供货,方便自动贴片生产。

一、主要参数与性能亮点

  • 配置:单刀八掷(8:1)模拟开关,内部为一个通道集合(通道数:1)
  • 工作电压:3 V ~ 15 V,兼容 3.3V 与 5V 系统
  • 工作温度范围:-40 ℃ ~ +85 ℃(工业级)
  • 导通电阻(Ron):典型约 60 Ω
  • 导通电容(Con):0.2 pF(典型值,低电容利于高频性能)
  • 传播延迟(tpd):约 7 ns(快速切换响应)
  • 功能特性:
    • 双向模拟通道,信号可双向传输
    • 无毛刺切换(glitchless switching),适合精确信号采集应用
    • 三位地址输入 A、B、C 控制通道选择;使能输入 INH 用于禁用所有通道
  • 封装:QFN-16 (3×3 mm),便于高密度 PCB 布局
  • 品牌/型号:HGSEMI(华冠) CD4051BLQ/TR(TR 表示卷带包装)

二、引脚及功能说明(概要)

  • 地址输入 A、B、C:选择对应的输出通道(000 → 通道0,…,111 → 通道7)
  • 公共端(COM):与选中通道导通,作为多路复用的公共端
  • 通道端(Y0–Y7):分别对应八路输入/输出
  • INH(使能):高电平或特定电平(参考数据手册具体逻辑电平)禁用所有通道,保证系统控制稳定性
  • VDD / VSS:器件供电端,支持单电源供电

(注:具体引脚排列请参考器件封装图及原厂数据手册以确认焊盘与接脚位置。)

三、典型应用场景

  • 多路传感器输入复用:在 MCU/ADC 引脚有限的情况下,使用 CD4051BLQ 将多路模拟传感器信号按序复用到单一路 ADC 输入,节省系统资源。
  • 音频通道选择与路由:低导通电容与中等导通电阻匹配音频信号的开关需求,且无毛刺切换可减少开关瞬态噪声。
  • 自动测试与测量设备:用于自动测试仪器中多个测试点的切换,配合无毛刺特性可提高测量精度。
  • 数据采集系统:在多路模拟输入系统中,作为前端通道选择开关,支持双向信号传递与宽电压范围。
  • 通用模拟信号路由:适合仪器仪表、开关矩阵、可编程滤波器等场合。

四、设计注意事项与建议

  • 电源去耦:建议在 VDD 与 VSS 之间放置 0.1 µF 陶瓷去耦电容,靠近器件电源引脚,以降低开关噪声与瞬态影响。
  • 信号范围:输入/输出信号应限制在 VSS–VDD 之间,超出供电轨可能会导致不可预期行为或损害器件。
  • PCB 布局:QFN 封装需注意焊盘热焊膏量与过孔安放,保证良好焊接与热管理;高速或低噪声设计中,缩短模拟信号线长度以降低寄生电容和干扰。
  • 开关特性:Ron 受供电电压、通道电流和温度影响;在需要低阻抗传输时建议评估最大电流条件下的电压降。
  • 切换控制:为发挥无毛刺切换优势,在控制信号切换时应保证地址线与 INH 的时序满足系统要求,避免在中间态出现非期望通路。

五、包装与订购信息

  • 型号:CD4051BLQ/TR
  • 品牌:HGSEMI(华冠)
  • 封装:QFN-16 (3×3 mm)
  • 包装形式:卷带装(TR),适合 SMT 自动贴装生产
  • 适用场合:工业级温度范围,适合量产及批量采购

总结:CD4051BLQ/TR 提供了宽电压范围、双向模拟通道、低电容及无毛刺切换等优点,是需要在受限引脚资源下进行多路模拟信号切换的理想选择。其 QFN 小封装与卷带供货方式也方便大批量自动化装配。若需更详细的引脚定义、电气特性曲线及时序图,请参考 HGSEMI 官方数据手册或联系供应商获取完整资料。

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