CXAS4234Q是一款高性能的四极单刀双掷（SPTT）模拟开关，在3.0V VCC下具有0.5Ω（典型）的超低Ron。CXAS4234Q在2.3V至4.5V的宽VCC范围内工作，专为通电前断开而设计。选择输入与TTL级兼容。
CXAS4234Q还配有智能电路，即使控制电压低于VCC电源电压，也能将VCC泄漏电流降至最低。此功能适合移动手机应用，允许直接与基带处理器通用IO接口，耗电量最小。也就是说，在实际应用中不需要额外的设备来改变控制水平，使之与VCC相同。
CXAS4234Q有QFN1.8x2.6-16L包装。标准产品是无铅和无卤素的。
电源电压：2.3~4.5V
•超低导通电阻：0.5欧
•3dB带宽：40MHz
铁路至铁路信号范围
合闸前断开
扩展控制输入范围内的低静态电流
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[ CXAS4234Q ]
目录
产品概述 返回TOP
The CXAS4234Q is a high performance, quad, Single Pole Double Throw (SPDT) analog switch that features ultra-low Ron of 0.5 Ω (typical) at 3.0V VCC. The CXAS4234Q operates over a wide VCC range of 2.3V to 4.5V and is designed for break-before-make operation. The select input is TTL-level compatible.
CXAS4234Q is also featured with smart circuitry to minimize VCC leakage current even when the control voltage is lower than VCC supply voltage. This feature suits mobile handset applications by allowing direct interface with baseband processor general-purpose IO with minimal battery consumption. In other word, there is no need of additional device to shift control level to be the same as that of VCC in real application.
The CXAS4234Q is available in QFN1.8x2.6-16L package. Standard Products are Pb-free and halogen-free.
产品特点 返回TOP
Supply voltage : 2.3 ~ 4.5V
ultra-low On Resistance : 0.5 Ω
-3dB Bandwidth : 40MHz
Rail-to-Rail Signal Range
Break-Before-Make Switching
Low quiescent current over an Expanded Control Input Range
应用范围 返回TOP
Cell phones, PDA, Digital Camera and Notebook
LCD Monitor, TV and Set-Top Box
Audio and Video Signal Routing
Other electronics equipments
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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| 音频开关 | ||||||||||
| Product | Configuration | VIN | IQ | BW@-3dB | THD+N | Crosstalk | OFF | Size | Package | |
| (Min.) | (Max.) | (Max.) | (Typ.) | (Typ.) | (Typ.) | (Typ.) | (L×W) | |||
| (V) | (uA) | (Ω) | (dB) | (dB) | (dB) | (mm) | ||||
| CXAS4228Q | Dual SPDT | 2.3 | 5.5 | 1 | 0.5 | -73 | -83 | -81 | 1.4 x 1.8 | QFN1418-10L |
| CXAS4229Q | Dual SPDT | 2.3 | 5.5 | 1 | 0.5 | -73 | -83 | -81 | 1.4 x 1.8 | QFN1418-10L |
| CXAS4230Q | Dual SPDT | 2.3 | 5.5 | 1 | 0.75 | -66 | -81 | -80 | 1.4 x 1.8 | QFN1418-10L |
| CXAS4231D | MIC/GND | 2.3 | 5 | 1 | 0.08 | -80 | -50 | -50 | 2.0 x 2.0 | DFN2020-6L |
| CXAS4232B | MIC/GND | 2.3 | 5.5 | 0.6 | 0.5 | - | - | - | 2.1 x 2.3 | SOT-353 |
| CXAS4233Q | Dual SPST | 3.3 | 4.5 | 12 | 50 | -105 | -130 | -130 | 1.4 x 1.8 | QFN1418-10L |
| CXAS4234Q | Quad SPDT | 2.3 | 4.5 | 1 | 0.5 | -73 | -50 | -50 | 1.8 x 2.6 | QFN1826-16L |
| CXAS4235Q | Quad SPDT | 2.3 | 4.5 | 1 | 0.5 | -73 | -50 | -50 | 3.0 x 3.0 | QFN3030-16L |
| CXAS4236Q | Dual SPDT HIFI | 3.3 | 4.5 | 55 | 0.2 | -118 | 145 | 145 | 1.8 x 2.6 | QFN1826-16L |
| CXAS4237C | Dual SPDT HIFI | 3.3 | 4.5 | 55 | 0.2 | -118 | 145 | 145 | 1.2 x 1.63 | WLCSP-12 |
◀ 上一篇:CXAS4233Q高性能双单刀单掷SPST模拟开关有负摆幅音频功能在3.6V VCC下具有1Ω的低Ron在3.3V到4.5V的宽VCC范围内工作为高压隔离而设计智能电路控制电压低于VCC电源电压
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