WMSIC Electronic Components

ADI/LINEAR MAX313LESE+T MAX313LESE

ModelMAX313LESE+T
PackageSO-16-4.4mm
BrandADI/LINEAR
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
ADI(Analog Devices) / LINEAR MAX313LESE+T
Type
ADI/LINEAR
Minimum package
2500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
ADI(Analog Devices) / LINEAR
Electronic Component
MAX313LESE+T
Electronic Component
1
Package
SO-16-4.4mm
Electronic Component
Analog Switch / Multiplexer
Electronic Component
0.307g
Electronic Component
1
Channel Count
4
Features
Analog
Electronic Component
BM0264387845
Operating Temperature
40℃~+85℃
Operating Voltage
4.5V~36V;-20V~-4.5V;4.5V~20V
Switch
1:1
(ton)
115ns
Capacitor(Con)
15pF

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

MAX313LESE+T 产品概述

MAX313LESE+T 是一款四通道双向模拟开关,单刀单掷(SPST)结构,兼容 +3V 控制逻辑,适用于对信号路由与隔离要求较高的模拟/混合信号系统。器件具有较低的导通电阻和较小的导通电容,开关速度适中,能在宽温度与电压范围内稳定工作,适合音视频、数据采集与仪表等场合。

一、主要规格(概要)

  • 开关类型:1:1 单刀单掷(SPST),4 通道(Quad)
  • 双向模拟通道:支持正/负电平信号通过(取决于供电与输入范围)
  • 导通电阻 (Ron):典型 10 Ω
  • 导通电容 (Con):典型 15 pF
  • 导通时间 (ton):约 115 ns
  • 关闭时间 (toff):约 100 ns
  • 控制逻辑:+3V 逻辑兼容
  • 工作电压/信号范围(器件可承受的典型范围,需结合供电方式使用):
    • 4.5 V ~ 36 V
    • -20 V ~ -4.5 V
    • 4.5 V ~ 20 V
  • 工作温度:-40 ℃ ~ +85 ℃
  • 封装:SO-16(4.4 mm 宽)
  • 品牌:ADI(Analog Devices / Linear)

二、电气与开关性能说明

  • 低导通电阻(10 Ω)意味着开关在导通时对信号有较小的压降与能量损耗,适合要求低失真或低串联阻抗的应用。
  • 典型导通电容 15 pF 与 Ron 一起决定了开关的高频传输特性。按理想 RC 近似计算,-3 dB 截止频率约为 fC ≈ 1/(2π·Ron·Con) ≈ 1.06 GHz(理论值,实际带宽受外部电路、互连电容和封装寄生参数影响)。
  • 开关延时(ton ≈ 115 ns,toff ≈ 100 ns)适合多数一般信号切换与多路复用场合,但对超高速时序或需要亚十纳秒切换的系统需谨慎评估。
  • 双向通道结构可在两端互换源/负载,便于信号路由与矩阵开关设计,但在处理负电压或高压信号时需按器件最大额定值设计电源与输入保护。

三、典型应用场景

  • 音频/视频信号选择与切换:低 Ron 和低 Con 有利于保持信号完整性,减少低频压降与高频衰减。
  • 数据采集前端多路复用:用于将多路模拟信号按序切换到 ADC 采集通道。
  • 仪表与测试设备:小信号路由、校准回路切换、参考源切换等。
  • 电源路径或负载选择(需根据电压/电流能力与热耗评估):在较宽工作电压范围内可实现电源信号的控制与隔离。
  • 通用模拟开关/保护:在需要隔离或短接模拟路径的场合替代机械继电器以节省空间并提高寿命。

四、设计建议与注意事项

  • 供电与信号范围匹配:器件标出的电压区间提示其能承受的信号或供电范围;使用前必须确认外部电源、控制逻辑及被切换信号均在器件允许范围内,特别是当存在负电压信号时需采用对应供电或保护电路。
  • 控制逻辑驱动:+3V 逻辑兼容,但若驱动电压高于器件电源或存在电平转换,应确保不会对控制引脚施加超限电压。
  • 布局与走线:为保持高频性能与减少寄生耦合,建议将关键模拟信号路径尽量短且靠近接地面层,开关引脚附近放置旁路电容,且避免长的高阻走线与大回路面积。
  • 负载与源阻抗匹配:实际系统带宽受源/负载阻抗影响;在高速或高带宽应用中考虑阻抗匹配与吸收端。
  • 热与功耗:虽然单个开关功耗通常较低,但在大电流或频繁切换条件下仍需评估器件功耗与封装散热能力。
  • ESD 与浪涌保护:若端口可能接触高能脉冲或插拔操作,增加限流或 TVS 二极管等保护器件,防止损伤内部薄氧化层或控制逻辑。

五、封装与可靠性

  • SO-16(4.4 mm)封装便于自动贴装与回流焊接,适合中等密度 PCB 布局。
  • 工作温度范围 -40 ℃ 至 +85 ℃ 满足工业级常见环境要求;若应用涉及更高温度或严苛可靠性,请评估器件热稳定性与长期漂移。

六、总结

MAX313LESE+T 提供了四路低阻抗、低电容、双向的模拟开关功能,兼容 +3V 控制逻辑并具备较宽的信号/供电电压范围。凭借 10 Ω 的低 Ron 和 15 pF 的低 Con,该器件在音视频、数据采集、仪表及一般模拟路由场景中具备良好的性能表现。设计者在使用时应关注供电/信号电压范围、布局布线与保护措施,以保证开关性能和可靠性达到预期。

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