WMSIC Electronic Components

RENESAS DG403DYZ-T DG403DYZ

ModelDG403DYZ-T
PackageSOIC-16
BrandRENESAS
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
RENESAS DG403DYZ-T
Type
RENESAS
Minimum package
2500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
RENESAS
Electronic Component
DG403DYZ-T
Electronic Component
1
Package
SOIC-16
Electronic Component
Analog Switch / Multiplexer
Electronic Component
0.432g
Electronic Component
1
Channel Count
2
Features
Analog
Electronic Component
BM0257394542
Operating Temperature
40℃~+85℃
Operating Voltage
5V~34V;-17V~-5V;5V~17V
Switch
2:1
(ton)
150ns
Resistor(Ron)
45Ω

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

DG403DYZ-T 产品概述

一、产品简介

DG403DYZ-T 是瑞萨(RENESAS)推出的一款双通道单刀双掷(2:1,SPDT)开关 IC,适用于模拟与数字信号切换与多路复用。器件采用 SOIC-16 封装,提供可靠的通断控制性能,可用于音频、传感器信号、测试测量及一般信号路由场合。

二、主要规格

  • 通道数:2(双通道,单刀双掷,每通道 2:1 切换)
  • 导通电阻(Ron):45 Ω(典型/额定值)
  • 导通时间(ton):150 ns
  • 关闭时间(toff):100 ns
  • 工作电压范围:5 V~34 V;-17 V~-5 V;5 V~17 V(视供电与工作模式而定,具体以数据手册为准)
  • 工作温度:-40 ℃ ~ +85 ℃
  • 封装:SOIC-16
  • 品牌:RENESAS(瑞萨)

三、功能特性

  • 双路 2:1 切换,支持双向信号通过(适用于双极性或单极性信号,需按供电方式确认)
  • 快速开关响应,满足大多数中高速信号切换需求(开/关时间分别为 150 ns / 100 ns)
  • 中等导通电阻(45 Ω),在低功率或阻抗匹配不严格的场合表现良好
  • 宽温度范围与工业级供电兼容,适合多种工作环境

四、典型应用

  • 音频信号选择与切换
  • 传感器信号多路复用与故障切换
  • 自动测试设备(ATE)中的通断路由
  • 仪器仪表信号路由与隔离
  • 低速模拟/数字信号切换场景

五、设计与布局建议

  • 供电与控制:根据系统需要选择合适的供电拓扑,注意器件对 V+、V- 与控制电平的要求,避免将输入信号电压超出器件电源范围。
  • 去耦与滤波:在器件电源附近放置足够的去耦电容(如 0.1 μF 与 1 μF 组合),抑制开关瞬态与电源干扰。
  • 路径阻抗考虑:45 Ω 的导通电阻在传输低幅度信号或高阻抗源时影响有限,但在低阻抗高速路径或对阻抗严格匹配的应用中会引入衰减与失真,应评估影响并酌情选择更低 Ron 的器件。
  • 布线与隔离:信号线尽可能短且靠近接地平面,避免长线引入寄生电容和干扰;敏感模拟地与数字地应适当分割或通过单点连接处理。

六、选型与注意事项

  • 工作电压与信号范围:器件支持多种供电配置,选择前务必核对数据手册中对 V+、V- 与输入/输出信号电平的限制,防止出现超压或反向偏置。
  • 频率与带宽:开关时间决定了可用信号带宽,若用于较高频率或高精度模拟应用,请验证开关引入的失真、插入损耗与带宽限制。
  • 热与可靠性:在高温或连续通断场合下关注功耗与可靠性指标,必要时参考厂商应用说明与可靠性数据。

七、总结

DG403DYZ-T 作为一款工业级双通道 SPDT 开关,具有封装紧凑、开关速度快和宽工作温度范围等优点,适合多种通用信号切换场景。在实际应用中,应结合系统供电、信号幅度与带宽需求评估导通电阻与开关时间对性能的影响,并遵循良好布局与去耦实践以获得稳定可靠的工作表现。如需深入电气特性与引脚分配,请参考 RENESAS 官方数据手册与应用说明。

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