WMSIC Electronic Components

RENESAS DG441DYZ-T DG441DYZ

ModelDG441DYZ-T
Package16-SOIC
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 23+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
RENESAS DG441DYZ-T
Type
RENESAS
Minimum package
2500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
RENESAS
Electronic Component
DG441DYZ-T
Electronic Component
1
Package
16-SOIC
Electronic Component
Analog Switch / Multiplexer
Electronic Component
0.29g
Electronic Component
1
Channel Count
4
Features
Analog
Electronic Component
BM0264369417
Operating Temperature
40℃~+85℃
Operating Voltage
5V~34V
Switch
1:1
(ton)
250ns
Capacitor(Con)
16pF

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

DG441DYZ-T 产品概述

一、概述

DG441DYZ-T 是瑞萨(RENESAS)出品的一款四路双向模拟开关 IC,采用 16-SOIC 封装,适合在工业级温度范围内工作的信号路由与多路复用场合。器件每路为独立 1:1 通道,支持双向导通,工作电压范围宽(5V ~ 34V),在模拟和数字信号切换上具有良好的通用性。

二、主要特性

  • 四路独立开关:4 个单刀单掷(1:1)双向模拟通道,便于多路信号选择与隔离。
  • 典型导通电阻(Ron):85 Ω(在规定条件下的典型值),适合中低频模拟信号及弱驱动数字信号传输。
  • 导通电容(Con):约 16 pF,降低通道间串扰并提升高频性能。
  • 开关速度:导通时间 ton ≈ 250 ns,关闭时间 toff ≈ 120 ns,满足多数中速切换场合。
  • 工作电压范围:VCC = 5V ~ 34V,支持较宽的电源适配,适用于多种系统电压。
  • 工作温度:-40 ℃ ~ +85 ℃,满足工业级应用温度要求。
  • 封装形式:16-SOIC,-T 后缀通常表示卷带包装(Tape & Reel),便于自动化贴片生产。

三、性能说明与适用场景

DG441DYZ-T 的 85 Ω 导通电阻属于中等范围,对低阻抗大电流负载不适合,但非常适合:

  • 信号复用/切换:音频、传感器输出、微弱模拟信号的路由。
  • 模拟前端开关:测量系统中传感器选通、通道切换。
  • 多通道采样:配合 ADC 做多路采样开关(注意 Ron 与采样电容配合)。
  • 低/中速数字信号:用于数字总线隔离或信号分配(在电平及速率允许范围内)。

四、使用注意与设计建议

  • 电源与驱动:VCC 必须在 5V~34V 范围内,控制端逻辑电平应与器件供电电压匹配,避免超出绝对最大额定值。
  • 去耦与滤波:靠近器件的 VCC 引脚放置 0.1 μF 陶瓷去耦电容,以抑制电源瞬态,改善开关性能。
  • PCB 布局:模拟路径尽量缩短且避免与高速数字线交叉,输出端添加合适阻抗匹配或 RC 滤波以降低开关瞬态。
  • 热与可靠性:在满载或高频切换条件下注意功耗与温升,遵循器件最大结温限制。
  • 开关速率与信号完整性:ton/toff 在数百纳秒量级,适合中速切换;对高频或高速数字信号需评估 Ron、Con 对边沿与带宽的影响。
  • ESD 与保护:输入/输出为双向通路,若连接外部接口应在必要位置增加防护元件(TVS、串联电阻等)以增强系统鲁棒性。

五、封装与订购信息

  • 品牌:RENESAS(瑞萨)
  • 封装:16-SOIC,便于 DIP 转接与 SMT 贴装生产
  • 标识:DG441DYZ-T(-T 常用于卷带包装,便于批量贴片生产)

六、典型应用一览

  • 多路信号路由与切换(测试仪器、数据采集)
  • 音频开关与选择电路
  • 传感器阵列的通道选择
  • 低速通信与测量系统的通断控制

总结:DG441DYZ-T 提供了四路独立、可靠的双向模拟开关解决方案,宽电源范围与工业级温度特性使其在测量仪器、传感器接口与多路复用场景中具有较高的实用性。设计时需关注导通电阻与开关时间对信号带宽和采样精度的影响,并做好电源去耦与 PCB 布局优化。若需进一步的典型接线图、详细电气特性或参数曲线,建议参考厂商数据手册以获得完整规范。

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