CXAS42249 CXAS42249A CXAS42249B CXAS42250是一个低导通电阻、单刀双掷（SPTT）模拟开关，工作电压从1.65V到5.5V。该器件具有良好的电阻匹配和低总谐波失真（THD）性能。该设备设计用于快速切换速度，具有“先断后合”功能，以防止信号从一个通道传输到另一个通道时出现信号失真。这些特性使该设备适合于便携式音频应用。
断电模式下的隔离，V+=0
4.5V Vcc下的典型1.15Ω通态电阻
低电荷注入
优良的电阻匹配
+1.65V至+5.5V单电源操作
低总谐波失真
低供电电流（<0.3μA）
接通前断开启用电路
控制输入5V耐受
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[ CXAS42249/A/B ]
目录
7.相关产品
产品概述 返回TOP
The CXAS42249 CXAS42249A CXAS42249B CXAS42250 is a low on-resistance, SPDT (Single-Pole/Double-Throw) analog switch that operates from a 1.65V to 5.5V supply. The device offers an excellent ON-resistance matching, and low total harmonic distortion (THD) performance. The device is designed for fast switching speeds with the breakbefore-make feature to prevent signal distortion during the transferring of signal from one channel to another. These features make this device suitable for portable audio applications. The CXAS42249/A/B CXAS42250 is available in the SC-70-6 (SOT-363) and WLCSP2X3-6 package.
产品特点 返回TOP
„ Isolation in Powered-Down Mode, V+=0
„ Typical 1.15Ω ON-State Resistance at 4.5V Vcc
„ Low Charge Injection
„ Excellent ON Resistance Matching
„ +1.65V to +5.5V Single-Supply Operation
„ Low Total Harmonic Distortion
„ Low supply Current (<0.3μA )
„ Break-before-make enable circuitry
„ Control inputs 5V Tolerant
„ SC-70-6 (SOT-363) and WLCSP2X3-6 package
应用范围 返回TOP
„ Cell Phones
„ PDAs
„ Portable Instrumentation
技术规格书（产品PDF) 返回TOP
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产品封装图 返回TOP
电路原理图 返回TOP
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Analog Switch |
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|
Part NO. |
Vin (V) min. |
Vin (V) max. |
RON (Ohm) |
BW (MHz) |
TON (ns) |
TOFF (ns) |
ISUPPLY (uA) |
Note |
Package |
|
2.25 |
5.5 |
0.75 |
43 |
21.6 |
18 |
0.1 |
Single SPDT |
WLCSP2X4-8 |
|
|
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 |
|
1.65 |
5.5 |
3.5 |
250 |
6 |
8 |
1 |
Single SPDT |
SC-70-6 |
|
|
2.3 |
5.5 |
10 |
-- |
5 |
4.5 |
1 |
Quad SPDT |
TSSOP-16/SSOP-16 |
|
|
2.7 |
5.5 |
1 |
20 |
26 |
14 |
1 |
Dual SPDT |
MSOP-10 |
|
|
2.3 |
5 |
6 |
1200 |
22 |
8.8 |
1 |
High-Speed 1:2 Switch |
TDFN3X3-10 |
|
|
4.5 |
5.5 |
5 |
700 |
2 |
2 |
0.2 |
VGA RGB 2:2 Dual-Graphics |
TQFN5X5-10 |
|
|
1.65 |
5.5 |
-- |
-- |
2 |
2 |
10 |
Single Inverter |
WLCSP2X2-4 |
|
|
1.65 |
5.5 |
-- |
-- |
3.4 |
3.4 |
10 |
Single 2-Input OR Gate |
WLCSP2X3-5 |
|
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