20W具有EQ、DRC功能的立體聲數字D類音頻放大器20-W Stereo Digital Audio Power Amplifier with EQ and DRC CXAR41175是一款20W，4通道半桥式驱动的高效数字音频功率放大器。经由外部时钟信号驱动。I2S串行数据输入接口允许同时处理两个分离声道，并且可以无缝整合到大多数的数字音频处理器。器件可以接收一个很宽范围的输入数据和数据速

   产品概述 返回TOPKTh嘉泰姆

      CXAR41175是一款20W，4通道半桥式驱动的高效数字音频功率放大器。经由外部时钟信号驱动。I2S串行数据输入接口允许同时处理两个分离声道，并且可以无缝整合到大多数的数字音频处理器。器件可以接收一个很宽范围的输入数据和数据速率。内置双向I2C接口可以接受主机的各种指令改变内部寄存器状态。CXAR41175提供短路保护和过热保护，以避免芯片的损毁。CXAR41175采用48-pin TQFP封装。The CXAR41175 is a 20-W, digital audio power amplifier with 4 half-bridged power drivers. The CXAR41175 is a slave device that all clocks are provided by the external sources. One serial data input allows processing of up to two discrete audio channels and seamless integration to most digital audio processors. A bidirectional I2C interface allows reading or writing to change the internal register status. The CXAR41175 also features short-circuit and thermal protection preventing the device from being damaged during a fault condition. The CXAR41175 is available in thermally efficient 48-pin TQFP package.

   产品特点 返回TOPKTh嘉泰姆

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‧音频输入输出KTh嘉泰姆

工作电压：8V到26V，3.3V数字电源KTh嘉泰姆

负载8Ω，工作电压18V，单一通道输出功率可达20WKTh嘉泰姆

I2S串行音频输入，支持8KHz到48KHz的采样频率（LJ/RJ/I2S）</p>

双向I2C串行控制接口KTh嘉泰姆

‧音频处理KTh嘉泰姆

直流滤波器</p>

独立音量控制，从24dB到静音</p>

EQKTh嘉泰姆

DRCKTh嘉泰姆

‧优点KTh嘉泰姆

EQ：大大提高了音频性能KTh嘉泰姆

DRC:提供了喇叭保护和夜间模式KTh嘉泰姆

缓慢静音KTh嘉泰姆

自动检测：自动检测输入音频数据的采用率</p>

具有过温及短路保护机制</p>

‧48-pin TQFP封装KTh嘉泰姆

‧符合RoHS规范及Pb-FreeKTh嘉泰姆

Audio Input/OutputKTh嘉泰姆

- Wide Power Supply Voltage: 8 V to 26 VKTh嘉泰姆

- Digital Supply: 3.3VKTh嘉泰姆

- 20W/ch into an 8-
Load from an 18-V SupplyKTh嘉泰姆

- 40W into an 4- Mono load from an 18-V supplyKTh嘉泰姆

- Supports 8 kHz - 48 kHz Sample Rates SerialKTh嘉泰姆

Audio Input (LJ/RJ/I2S)KTh嘉泰姆

- Bidirectional I2C interfaceKTh嘉泰姆

Audio ProcessingKTh嘉泰姆

- DC Blocking FiltersKTh嘉泰姆

- Channel Volume Control 24 dB to muteKTh嘉泰姆

- 14 Biquads for Speaker EQKTh嘉泰姆

- Flexible Dynamic Range Control (DRC)KTh嘉泰姆

BenefitsKTh嘉泰姆

- EQ: Speaker Equalization Improves AudioKTh嘉泰姆

PerformanceKTh嘉泰姆

- DRC: Enables Speaker Protection and Night-ModeKTh嘉泰姆

ListeningKTh嘉泰姆

- Soft MuteKTh嘉泰姆

- Auto detect: Automatically Detects Sample-rateKTh嘉泰姆

ChangesKTh嘉泰姆

- Thermal and short circuit protectionKTh嘉泰姆

Available in TQFP-48 (EP) PackageKTh嘉泰姆

RoHS compliant and 100% lead(Pb)-freeKTh嘉泰姆

Halogen-FreeKTh嘉泰姆

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‧电视KTh嘉泰姆

‧ipodKTh嘉泰姆

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TelevisionKTh嘉泰姆

iPodTM DockKTh嘉泰姆

Sound BarKTh嘉泰姆

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