CXAS42254高带宽模拟开关电平移位缓冲器和电平转换FET开关完整的2:2双图形交叉解决方案的VGA信号交换为RGB信号提供12个超高频700MHz SPST开关显示数据通道DDC信号提供4个低频钳位开关为HSYNC和VSYNC信号提供2对电平移位缓冲器

CXAS42254高带宽模拟开关电平移位缓冲器和电平转换FET开关完整的2:2双图形交叉解决方案的VGA信号交换为RGB信号提供12个超高频700MHz SPST开关显示数据通道DDC信号提供4个低频钳位开关为HSYNC和VSYNC信号提供2对电平移位缓冲器

产品型号:CXAS42254
产品类型:DC-DC转换器
产品系列: 模拟负载开关
产品状态:量产
浏览次数:57 次
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产品简介

CXAS42254集成了高带宽模拟开关、电平移位缓冲器和电平转换FET开关。该设备实现了一个完整的2:2双图形交叉解决方案的VGA信号交换。CXAS42254为RGB信号提供12个超高频700MHz SPST开关,为显示数据通道(DDC)信号提供4个低频钳位开关,为HSYNC和VSYNC信号提供2对电平移位缓冲器,还提供集成扩展ESD保护。CXAS42254用于从两个源中选择一个源到笔记本电脑中的两个目标。水平和垂直同步(SH_u/SV_u)输入具有电平移位缓冲器,以支持低电压控制器和标准5V TTL电平监视器。DDC由SDA_u和SCL_u组成,是一种FET开关,在降低电容性负载的同时,保护低电压VGA源免受来自显示器上的高电压的潜在损害。CXAS42254的所有14个输出端子对±15kV人体模型(HBM)和±6kV IEC 61000-4-2触点具有高ESD保护。所有其他引脚均保护至±2kV HBM。CXAS42254在TQFN5X5-40包装中提供,带有外露的衬垫。
·低通电阻5Ω(典型),RGB信号
·低供电电流<5μA(最大值)
·高带宽,700MHz(典型),RGB
·DDC水平移动、带内部拉起终端的隔离和保护
·水平和垂直同步水平移动和缓冲
输入与VL兼容,输出与TTL兼容
每个SH、SV输出上的源/汇±10mA
独立的可选择逻辑输入,用于切换

技术参数

输入电压范围 (VIN)≤ 1.65~5.5V
工作频率700MHzHz
封装类型TQFN5X5-10
Topology模拟负载开关
Control method线性
Iq0.2uA
Internal resistance
Reaction time(min)2ns
Protectionsovp/ocp/otp/scp

产品详细介绍

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

   产品概述 返回TOP


The CXAS42254 integrates high-bandwidth analog switches, level-shifting buffers and level-translating FET switches. The device implements a complete 2:2 dual-graphics crossover solution for VGA signal switching. The CXAS42254 provides 12 very high-frequency 700MHz SPST switches for RGB signals, 4 low- frequency clamping switches for the Display Data Channel(DDC) signals, 2 pairs of level-shifting buffers for the HSYNC and VSYNC signals, and also integrated extended ESD protection. The CXAS42254 is used to select one of two sources to either of two destinations within a laptop computer. Horizontal and vertical synchronization (SH_/SV_) inputs feature level-shifting buffers to support lowvoltage controllers and standard 5V TTL-level monitors. DDC, consisting of SDA_ and SCL_, are FET switches that protect the low-voltage VGA source from potential damage from high-voltage presence on the monitor while reducing capacitive load. All 14 output terminals of the CXAS42254feature high-ESD protection to ±15kV Human Body Model (HBM) and ±6kV IEC 61000-4-2 Contact. All other pins are protected to ±2kV HBM. The CXAS42254 is available in the TQFN5X5-40 package with exposed pad.

   产品特点 返回TOP


„ Low ON-Resistance 5Ω (Typical), RGB Signal 

„ Low supply Current<5μA (Max) 

„ High Bandwidth, 700MHz (Typical), RGB 

„ DDC Level Shifting, Isolation with Internal Pullup Termination, and Protection 

„ Horizontal and Vertical Sync Level Shifting and Buffering 

„ Inputs Compatible with VL, Outputs TTL Compatible 

 „ Source/Sink ±10mA on Each SH_, SV_ Output 

„ Independent Selectable Logic Inputs For Switching 

„ High ESD Protection on Outputs: ±15kV HBM ESD ±6kV IEC 61000-4-2 Contact Discharge 

„ TQFN 5x5 40 pins Package with Exposed Pad

   应用范围 返回TOP


„ Notebook Computer-Switchable Graphics

   技术规格书(产品PDF) 返回TOP 


     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!

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产品封装图 返回TOP


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电路原理图 返回TOP


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Analog   Switch

Part NO.

Vin (V)

min.

Vin (V)

max.

RON 

(Ohm)

BW

(MHz)

TON

(ns)

TOFF

(ns)

ISUPPLY

(uA)

Note

Package

CXAS42247

2.25

5.5

0.75

43

21.6

18

0.1

Single SPDT

WLCSP2X4-8

CXAS42248

2.25

5.5

0.75

43

19

16

0.2

Dual   SPDT

WLCSP3X4-12

CXAS42249/A/B

1.65

5.5

1

100

19

17

0.05

Single   SPDT

SC-70-6/WLCSP2X3-6

CXAS42250

1.65

5.5

3.5

250

6

8

1

Single   SPDT

SC-70-6

CXAS42251

2.3

5.5

10

--

5

4.5

1

Quad   SPDT

TSSOP-16/SSOP-16

CXAS42252

2.7

5.5

1

20

26

14

1

Dual   SPDT

MSOP-10

CXAS42253

2.3

5

6

1200

22

8.8

1

High-Speed   1:2 Switch

TDFN3X3-10

CXAS42254

4.5

5.5

5

700

2

2

0.2

VGA   RGB 2:2 Dual-Graphics

TQFN5X5-10

CXAS42255

1.65

5.5

--

--

2

2

10

Single   Inverter

WLCSP2X2-4

CXAS42256

1.65

5.5

--

--

3.4

3.4

10

Single   2-Input OR Gate

WLCSP2X3-5

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