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HGSEMI 74HC4052LQ/TR 74HC4052LQ
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- HGSEMI 74HC4052LQ / TR
- Type
- QFN-16(3X3)
- Minimum package
- 5000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- HGSEMI
- Electronic Component
- 74HC4052LQ/TR
- Electronic Component
- 1
- Package
- QFN-16(3x3)
- Electronic Component
- 1.34GHz
- Electronic Component
- Analog Switch / Multiplexer
- Electronic Component
- 0.131g
- Electronic Component
- 1
- Channel Count
- 8
- Features
- Analog
- Electronic Component
- BM0264548216
- Operating Temperature
- 40℃~+85℃
- Operating Voltage
- 3V~9V
- Switch
- 4:1
- Resistor(Ron)
- 2.5kΩ
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
74HC4052LQ/TR 产品概述
一、器件简介
74HC4052LQ/TR（HGSEMI·华冠）是一款双路四选一（2×4:1）的模拟多路复用/开关芯片。器件每路含四个独立的输入/输出（Y0–Y3）、一个公共输入/输出（Z）和选择端（A0、A1），并设有一个低有效使能端E，用于整片使能控制。该器件为双向模拟通道设计，可在单片上实现两组独立通道的信号切换，适合多路模拟或数字信号选择场景。
二、主要规格要点
- 通道配置：2路四选一（合计8个独立I/O通道）
- 导通电阻（Ron）：典型值 2.5 kΩ（实际随输入电压、温度及通道间差异而变化）
- 工作电压：3 V ~ 9 V（支持多种单电源系统）
- 带宽：1.34 GHz（-3 dB 点，适用较高频率的模拟信号）
- 工作温度范围：-40 ℃ ~ +85 ℃
- 功能特性：双向模拟通道，低有效使能E，两个选择输入A0、A1
- 封装：QFN-16（3 mm × 3 mm）
- 供应形式：LQ/TR（卷带装，适合贴片生产）
三、功能与使用注意
- 双向通路：器件为双向开关，可允许信号在Y与Z端双向传输，适合ADC前端、传感器多路选择等场合。
- 使能控制：E 为低有效，当E = 0时，选择信号有效；当E = 1时，所有开关断开（高阻态）。
- 电源与信号范围：输入/输出电压应限制在VCC与GND之间，超过电源轨的信号可能引起导通体外流或损伤器件（建议加保护或衰减处理）。
- Ron影响：典型2.5 kΩ 的导通电阻对低频或高源阻电路（如精密传感器、超低噪声放大）会引入误差或带宽限制，应在系统设计时考虑源阻与负载阻抗匹配。
- 高频特性：1.34 GHz 的带宽使其适用于视频基带、较高频率的模拟开关场景，但在射频或需严格阻抗匹配的应用中需谨慎，并做好布局与阻抗控制。
四、封装与布局建议
QFN-16（3×3）封装利于散热与体积优化。推荐在VCC引脚附近放置0.1 μF陶瓷旁路电容，并在器件底部中心焊盘留意焊盘打磨与接地处理以保证热性能与可靠焊接。信号线尽量短且避开高频噪声源，模拟与数字走线分区布线。
五、典型应用场景
- 多路传感器选择与数据采集前端
- 音频/视频信号切换与路由
- 仪表与测试设备中的通道复用
- 低至中频带宽下的信号切换与分配
六、选型与备注
74HC4052LQ/TR 由 HGSEMI（华冠）提供，LQ/TR 表示 QFN 小封装并支持卷盘（Tape & Reel）供货，适合自动化贴片生产。设计时请根据系统工作电压、导通电阻容忍度与频率要求确认本器件能满足性能指标；对精密模拟或严格阻抗控制的场合，建议做样机测试验证实际信号完整性与开关失真。
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