CXAR41280

CXAR41280是一款立体声音频功率放大器,采用16针SOP热敏垫封装,具有直流音量控制功能。在5V电源电压下,它能以桥接负载(BTL)模式将1.9W的连续有效值电源输出到每个通道的4Ω负载。在上述操作条件下,其THD小于1%。为了简化笔记本电脑应用中的音频系统设计,CXAR41280支持驱动扬声器的桥接负载(BTL)模式和驱动耳机的单端(SE)模式。对于低电流消耗应用程序,支持关机模式以在CXAR41280空闲时禁用它。电流消耗可降低到1μA以下。内部直流音量增益设置范围为+20dB到-80dB,32步。通过施加合适的直流电压,可以很容易地获得预期的直流体积增益。cxar41280嵌入了depop电路以抑制通电或断电转换噪声。它还支持最大输出功率钳位功能,以防止扬声器烧坏。采用热保护电路,避免意外损坏。
32步直流音量控制,从+20dB~-80dB
·Depop电路集成
·1%THD+N时的输出功率,VDD=5V
--1.9W/CH(典型)到4Ω负载
--1.25W/CH(典型)进入8Ω负载
·10%THD+N时的输出功率,VDD=5V
--2.4W/CH(典型)到4Ω负载
--1.55W/CH(典型)输入8Ω负载
支持桥梁捆绑荷载(BTL)和单端(SE)模式
最大输出功率夹紧电路集成
超低关机电流
热关机保护

CXAR41280立体声音频功率放大器直流音量控制功能在5V电源电压下桥接负载BTL模式将1.9W的连续有效值电源输出到每个通道的4Ω负载驱动扬声器的桥接负载BTL模式和驱动耳机的单端SE模式

产品手册

产品订购

产品简介

目录

1.产品概述       2.产品特点     Ofu嘉泰姆

3.应用范围       4.技术规格书下载(PDF文档)Ofu嘉泰姆

5.产品封装       6.电路原理图  Ofu嘉泰姆

7.相关产品Ofu嘉泰姆

   产品概述 返回TOPOfu嘉泰姆


The CXAR41280 is a stereo audio power amplifier with dc volume control in 16-pin SOP thermal pad package. It can deliver 1.9W continuous RMS power into 4Ω load per channel in Bridge-Tied Load (BTL) mode at 5V supply voltage. Its THD is smaller than 1% under the above operation condition. To simplify the audio system design in the notebook application, the CXAR41280 supports the Bridge-Tied Load (BTL) mode for driving the speakers, Single-End (SE) mode for driving the headphone. For the low current consumption applications, the shutdown mode is supported to disable the CXAR41280 when it is idle. The current consumption can be reduced below 1μA. The internal DC volume gain setting is ranged from +20dB to -80dB with 32 steps. It is easily to get the expected DC volume gain by applying the volume pin with a suitable dc voltage. The CXAR41280has embedded depop circuitry to suppress the power-on or power-off transition noises. It also supports the maximum output power clamping function to protect the speakers from burned-out. Thermal protection circuitry is implemented to avoid unintentionally damaging.

   产品特点 返回TOPOfu嘉泰姆


„ 32 Steps DC Volume Control from +20dB ~-80dB Ofu嘉泰姆

„ Depop Circuitry Integrated Ofu嘉泰姆

„ Output Power at 1% THD+N, VDD=5V Ofu嘉泰姆

--1.9W/CH (typical) into a 4Ω Load Ofu嘉泰姆

--1.25W/CH (typical) into a 8Ω Load Ofu嘉泰姆

„ Output Power at 10% THD+N, VDD=5V Ofu嘉泰姆

--2.4W/CH (typical) into a 4Ω Load Ofu嘉泰姆

--1.55W/CH (typical) into a 8Ω Load Ofu嘉泰姆

„ Bridge-Tied Load (BTL) and Single-Ended (SE) Modes Supported Ofu嘉泰姆

„ Maximum Output Power Clamping Circuitry Integrated Ofu嘉泰姆

„ Ultra Low Shutdown Current Ofu嘉泰姆

„ Thermal Shutdown Protection Ofu嘉泰姆

„ SOP-16 Package AvailableOfu嘉泰姆

   应用范围 返回TOPOfu嘉泰姆


Notebooks Ofu嘉泰姆

„ LCD Monitor or TVOfu嘉泰姆

   技术规格书(产品PDF) 返回TOP Ofu嘉泰姆


     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!Ofu嘉泰姆

 QQ截图20160419174301.jpgOfu嘉泰姆

产品封装图 返回TOPOfu嘉泰姆


image.pngOfu嘉泰姆

电路原理图 返回TOPOfu嘉泰姆


aOfu嘉泰姆

相关芯片选择指南 返回TOP          更多同类产品。。。。。。。


Stereo Audio AmplifierOfu嘉泰姆

Part NO.Ofu嘉泰姆

VDD Ofu嘉泰姆

(V)Ofu嘉泰姆

minOfu嘉泰姆

VDD Ofu嘉泰姆

(V)Ofu嘉泰姆

maxOfu嘉泰姆

POUTOfu嘉泰姆

THD=1% Ofu嘉泰姆

(W,Ohm)Ofu嘉泰姆

POUT(mW)Ofu嘉泰姆

THD=10%Ofu嘉泰姆

(W,Ohm)Ofu嘉泰姆

PSRR Ofu嘉泰姆

(dB)Ofu嘉泰姆

Gain Ofu嘉泰姆

settingOfu嘉泰姆

Enable Ofu嘉泰姆

ActiveOfu嘉泰姆

NoteOfu嘉泰姆

PackageOfu嘉泰姆

CXAR41277Ofu嘉泰姆

4.5Ofu嘉泰姆

5.5Ofu嘉泰姆

2.0, 4Ofu嘉泰姆

2.5, 4Ofu嘉泰姆

68Ofu嘉泰姆

Fixed/ADJOfu嘉泰姆

HighOfu嘉泰姆

BTL, De-popOfu嘉泰姆

TSSOP-20(FD)Ofu嘉泰姆

CXAR41278Ofu嘉泰姆

--Ofu嘉泰姆

6Ofu嘉泰姆

2.0,   4Ofu嘉泰姆

2.6,   4Ofu嘉泰姆

65Ofu嘉泰姆

ADJOfu嘉泰姆

Low/HighOfu嘉泰姆

BTL, Mute, De-pop, Ofu嘉泰姆

POUT(max) ClampingOfu嘉泰姆

TSSOP-24(FD)/   QFN4X4-24Ofu嘉泰姆

CXAR41279Ofu嘉泰姆

3Ofu嘉泰姆

5.5Ofu嘉泰姆

1.2,   4Ofu嘉泰姆

2.0,   4Ofu嘉泰姆

68Ofu嘉泰姆

Fixed/ADJOfu嘉泰姆

LowOfu嘉泰姆

DC  volume control, Ofu嘉泰姆

PC-BeepOfu嘉泰姆

TSSOP-28(FD)/   TQFN5X5-28Ofu嘉泰姆

CXAR41280Ofu嘉泰姆

4.5Ofu嘉泰姆

5.5Ofu嘉泰姆

1.9,   4Ofu嘉泰姆

2.6,   4Ofu嘉泰姆

50Ofu嘉泰姆

FixedOfu嘉泰姆

HighOfu嘉泰姆

BTL,   SE, OTPOfu嘉泰姆

SOP-16(FD)Ofu嘉泰姆

CXAR41281Ofu嘉泰姆

3Ofu嘉泰姆

5.5Ofu嘉泰姆

1.5,   4Ofu嘉泰姆

2.1,   3Ofu嘉泰姆

--Ofu嘉泰姆

ADJOfu嘉泰姆

Low/HighOfu嘉泰姆

BTL,   De-popOfu嘉泰姆

TQFN3X3-16Ofu嘉泰姆

◀ 上一篇:CXAR41279桥梁捆绑荷载BTL立体声输入多路复用器提供静音和关机控制支持驱动扬声器的桥接负载BTL模式和驱动耳机的单端SE模式内部直流音量增益设置范围为0dB到-78dB

返回顶部

下一篇▶:CXAR41281 CXAR41281L立体声音频功率放大器有热垫组件在5V电源电压下桥连负载BTL方式将1.45W连续均方根功率驱动至4Ω负载立体声电桥捆绑负载BTL