CXDS4219B是一种高性能、单刀双掷（SPTT）CMOS模拟开关，用于总线交换或音频交换应用。它具有高带宽高达400兆赫在-3分贝和低导通电阻（5.5Ω典型）。SEL引脚具有过电压保护，允许电压高于VCC，引脚上存在高达7.0V的电压，而不会损坏或中断部件的运行，无论工作电压如何。
CXDS4219B还具有智能电路，即使当SEL控制电压低于VCC电源电压时，也能将VCC泄漏电流降至最低。换言之，在实际应用中，不需要额外的器件来改变SEL电平，使之与VCC的相同。CXDS4219B有标准SOT-363（SC-70-6L）组件。标准产品无铅无卤。
供电电压：2.3~5.5V
导通电阻：5.5Ω@VCC=4.5V
-3dB带宽：400MHz@CL=5pF
断开隔离：-69dB@10MHz
低静态电流：<1uA
先断后合功能
静电防护
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[ CXDS4219B ]
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）
一.产品概述
The CXDS4219B is a high performance, single pole double throw (SPDT) CMOS analog switch for bus switching or audio switching applications. It features high bandwidth up to 400MHz at -3dB and low on-resistance (5.5Ω Typ.). The SEL pin has overvoltage protection that allows voltages above VCC, up to 7.0V to be present on the pin without damage or disruption of operation of the part, regardless of the operating voltage.
The CXDS4219B is also featured with smart circuitry to minimize VCC leakage current even when SEL control voltage is lower than VCC supply voltage. In other word, there is no need of additional device to shift SEL level to be the same as that of VCC in real application.
The CXDS4219B is available in standard SOT-363(SC-70-6L) package. Standard product is Pb-Free and halogen-Free.
二.产品特点
Supply voltage : 2.3 ~ 5.5V
On-Resistance : 5.5Ω @ VCC=4.5V
-3dB Bandwidth : 400MHz @ CL=5pF
Off isolation : -69dB @ 10MHz
Low quiescent current :<1uA
Break-before-make function
ESD protection
HBM : ±8000V
MM : ±600V
Small package SOT-363
三.应用范围
Cell phones
MID
Other portable equipments
四.技术规格书（产品PDF)
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
六.电路原理图
七.相关芯片选择指南 更多同类产品......
| 模拟开关 > 数据开关 | ||||||||||
| 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) | ||||
| CXDS4219B | SPDT | 2.3 | 5.5 | 1 | 400 | -70 | -68 | -69 | 2.1 x 2.3 | SOT-363 |
| CXDS4220C | 4-Lane MIPI | 2.7 | 4.5 | 120 | 1500 | -43 | -39 | 2.4 x 2.4 | WLCSP-36B | |
| CXDS4221Q | Dual SPDT | 2.3 | 5.5 | 1 | 660 | -70 | -60 | -45 | 1.4 x 1.8 | QFN1418-10L |
| CXDS4222Q | 3:1 DPDT | 2.3 | 5.5 | 75 | 1200 | - | -57 | -57 | 1.8 x 1.8 | QFN1818-12L |
| CXDS4223Q | 4:1 DPDT | 2.3 | 5.5 | 80 | 1200 | - | -30 | -50 | 1.8 x 2.6 | QFN1826-16L |
| CXDS4224QA | 2:1 DPDT | 2.3 | 5.5 | 55 | 200 | - | -70 | -70 | 1.4 x 1.8 | QFN1418-10L |
| CXDS4224QB | 2:1 DPDT | 2.3 | 5.5 | 55 | 200 | - | -70 | -70 | 2.1 x 1.6 | QFN2116-10L |
| CXDS4225Q | 2:1 DPDT | 2.3 | 5.5 | 1 | 800 | - | -47 | -36 | 1.4 x 1.8 | QFN1418-10L |
| CXDS4226Q | 2:1 DPDT | 2.3 | 4.5 | 1 | 800 | - | -47 | -36 | 2.1 x 1.6 | QFN2116-10L |
| CXDS4227Q | 2:1 DPDT | 2.5 | 4.5 | 1 | 800 | - | -47 | -38 | 1.4 x 1.8 | QFN1418-10L |
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