CXAR41276是MSOP-10（FD）、TDFN3X3-10和WLCSP3X3-9中的单声道D类音频功率放大器，带有热垫封装。在5V电源电压下，驱动2W连续均方根功率以桥连负载（BTL）方式进入4Ω负载。在上述操作条件下，其THD小于1%。对于低电流消耗应用程序，支持SHDN模式以在CXAR41276空闲时禁用它。电流消耗可以进一步降低到1μA以下。使停机引脚处于低电平将驱动CXAR41276进入停机状态。
Depop电路集成
·2.8V至5.5V操作
·1%THD+N时的输出功率，VDD=5V
--2W（典型）到4Ω负载
--8Ω负载时为1.2W（典型值）
单桥捆绑荷载（BTL）
·关闭控制可用
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[ CXAR41276 ]
目录
7.相关产品
产品概述 返回TOP
The CXAR41276 is a mono class-D audio power amplifier in MSOP-10 (FD), TDFN3X3-10 and WLCSP3X3-9 with thermal pad package. It can drive 2W continuous RMS power into 4Ω load in Bridge-Tied Load (BTL) mode at 5V supply voltage. Its THD is smaller than 1% under the above operation condition. For the low current consumption applications, the SHDN mode is supported to disable the CXAR41276 when it is idle. The current consumption can be further reduced to below 1μA. Giving the SHUTDOWN pin low level will drive the CXAR41276 entering the shutdown.
产品特点 返回TOP
„ Depop Circuitry Integrated
„ 2.8V to 5.5V Operation
„ Output Power at 1% THD+N, VDD=5V
--2W (typical) into a 4Ω Load
--1.2W (typical) into a 8Ω Load
„ Mono Bridge-Tied Load (BTL)
„ Shutdown Control Available
„ MSOP-10 (FD), TDFN3X3-10 and WLCSP3X3-9 Package Available
应用范围 返回TOP
„ PDAs
„ Mobile Phone
„ Portable Devices
„ Notebook
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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Mono Audio Amplifier |
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Part NO. |
VDD (V)min. |
VDD (V)max. |
POUT THD=1% (W,Ohm) |
POUT(mW) THD=10% (W,Ohm) |
Gain setting |
Enable Active |
Note |
Package |
|
2.7 |
5.5 |
2, 4 |
2.6, 3 |
ADJ |
High |
BTL,OTP, De-pop |
MSOP-8/TDFN3X3-8 |
|
|
2.7 |
5.5 |
2, 4 |
2.6, 3 |
ADJ |
High |
BTL, OTP, De-pop |
MSOP-8(FD)/TDFN3X3-8 |
|
|
2.8 |
5.5 |
2, 4 |
2.5, 4 |
ADJ |
High |
BTL,De-pop, Class D |
WLCSP3X3-9 |
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