CXAS4237C利用Switch Pro技术，CXAS4237C是一款双SPTT模拟开关，具有超低失真、高断开隔离度，适用于具有负摆动音频信号容量的特殊立体声音频应用，其特点是在3.3V VCC下具有0.2Ω（典型）的超低Ron。CXAS4237C在3.0V到4.5V的宽范围内操作单个电源，1.8V逻辑与超高PSRR兼容。
具有软启动功能，可消除在任何应用条件（如切换、启用/禁用和通电）下关联的持久性有机污染物和点击。凭借优越的THD+N性能和其他高性能，CXAS4237C是高保真系统应用的理想设备。
CXAS4237C提供12球晶圆级芯片级封装（WLCSP），尺寸为1.2x1.6x0.5mm。所有产品无铅无卤
•单电源范围从3.0V到4.5V
在2Vrms时，将-118dB THD+N转换为100kΩ负载
在2Vrms时，将-114dB THD+N转换为32Ω负载
信噪比132dBA
10kHz时100dB PSRR
137dB串扰和分离
用外部电容器调整软启动
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[ CXAS4237C ]
目录
产品概述 返回TOP
With SwitchPro technology, The CXAS4237C is a Dual SPDT analog switch with ultra-low distortion, high OFF-Isolation for special stereo audio applications with negative swing audio signals capacity that features ultra-low Ron of 0.2Ω (typical) at 3.3V VCC. The CXAS4237C operates a single power supply over a wide range from 3.0V to 4.5V and 1.8V logic compatible with ultra high PSRR.
With soft-start feature that eliminates pops and clicks associated at any application conditions likes switched, enable/disable and power-up. With superior THD+N performance and other high performance, the CXAS4237C is an ideal device for Hi-Fi system applications.
The CXAS4237C is available in 12 Ball Wafer Level Chip Scale Package (WLCSP) with 1.2x1.6x0.5mm. All products is Pb-free and Halogen-free
产品特点 返回TOP
Single supply range operating from 3.0V to 4.5V
-118dB THD+N into 100kΩ load at 2Vrms
-114dB THD+N into 32Ω load at 2Vrms
Signal-to-Noise (SNR) Ratio 132dBA
100dB PSRR at 10kHz
137dB crosstalk & separation
Adjust soft-start with external capacitor
应用范围 返回TOP
Hi-Fi Smartphones and Portable Device
Hi-Fi SACD/DVD players
High Quality Home Theaters
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:CXAS4236Q双SPTT模拟开关有超低失真高断开隔离度用于具有负摆动音频信号容量的特殊立体声音频应用有3.3V VCC下0.2Ω的超低Ron宽范围内操作单个电源1.8V逻辑与超高PSRR兼容
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