CXAS4239是单宽带宽单极双掷 SPDT CMOS开关在VCC=5.0V和宽电源范围从1.8V到5.5V模拟电源使用开关或作为低延迟总线开关300MHz高带宽性能支持高频应用TTL/CMOS兼容合闸前断开轨对轨信号范围

CXAS4239是一种单宽带宽、快速单极双掷（SPDT）CMOS开关，在VCC=5.0V和宽电源范围从1.8V到5.5V，可作为模拟电源使用开关或作为低延迟总线开关。300MHz高带宽性能
支持高频应用。两种情况下的先断后合功能部分消除了切换期间的信号中断同时启用开关。
宽电源范围：1.8V至5.5V
高带宽：300MHz
高关隔离：1MHz时84dB，10MHz时51dB
导通电阻：5.0V时为2.7Ω（典型值）
快速切换时间ton=12.0ns；toff=5.0ns
TTL/CMOS兼容
合闸前断开
轨对轨信号范围

                          目录

   1.产品概述      2.产品特点      3.应用范围     4.技术规格书下载（PDF文档）

   5.产品封装      6.电路原理图     7.相关产品

一.产品概述

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  The CXAS4239 is a Single Wide-Bandwidth, fast singlepole double-throw (SPDT) CMOS switch featuring an On-Resistance of 2.7 ohm at VCC=5.0V and wide power supply range from 1.8V to 5.5V. It can be used as an analog switch or as a low-delay bus switch. The 300MHz high bandwidth performance supports the high frequency application. Break-before-make function for both parts eliminates signal disruption during switching from preventing both switches being enabled simultaneously.

二.产品特点

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Wide Power Supply Range: 1.8V to 5.5V  

High Bandwidth: 300MHz  

High Off-Isolation: 84dB at 1MHz 51dB at 10MHz  

On-Resistance: 2.7Ω(typ) at 5.0V 

Fast Switching Time ton = 12.0ns; toff = 5.0ns 

TTL/CMOS Compatible  

Break-Before-Make Switching  

Rail-to-Rail Signal Range 

Operation Temperature Range: -40℃ to 85℃  

Lead (Pb) Free SC70-6 Package

三.应用范围

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Wireless Handsets  

MP3 Players  

Portable Electronic Devices  

Relay Replacement  

PDAs  

Audio & Video Signal Routing  

PCMCIA Cards  

Computer Peripherals  

Modems    

四.技术规格书（产品PDF)

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需要详细的PDF规格书请扫一扫微信联系我们，还可以获得免费样品以及技术支持！

 

五.产品封装图

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六.电路原理图

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七.相关芯片选择指南

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模拟开关(Analog Switch)
Part No.	Mode	Features	VDD	Package	Applications
CXAS4239	SPDT	2.7Ω 300MHz Low-Voltage Analog Switch	1.8~5.5V	SC70-6	Mobile Phone, PDA
CXAS4240C	Dual SPDT	0.4Ω 27MHz Analog Switch	1.65~5.5V	CSP10	Mobile Phone, PDA
CXAS4241	4 SPDT	0.4Ω 42MHz Analog Switch	1.6~4.2V	TQFN16	Mobile Phone, PDA
CXAS4242	DPDT	High Speed USB 2.0(480Mbps)	2.3~5 V	UTQFN10	Mobile phone, DC and Notebook
CXAS4243	DPDT	High Speed USB 2.0(480Mbps)	2.3~5V	UTQFN10  MSOP10	Mobile phone, DC and Notebook
CXAS4244	4 SPDT	5.0Ω 500MHz Analog   Switch	4~5.5V	SOP16    SSOP16	LCD TV, STB, DVD
CXAS4245	4 SPDT	Quad SPDT Analog Switch	4~5.5V	SOP16    SSOP16	LCD TV, STB, DVD