产品概述 返回TOPcdI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TOPcdI嘉泰姆
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‧音频输入输出cdI嘉泰姆
工作电压:8V到26V,3.3V数字电源cdI嘉泰姆
负载8Ω,工作电压18V,单一通道输出功率可达20WcdI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cdI嘉泰姆
‧音频处理cdI嘉泰姆
直流滤波器</p>
独立音量控制,从24dB到静音</p>
EQcdI嘉泰姆
DRCcdI嘉泰姆
‧优点cdI嘉泰姆
EQ:大大提高了音频性能cdI嘉泰姆
DRC:提供了喇叭保护和夜间模式cdI嘉泰姆
缓慢静音cdI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cdI嘉泰姆
‧符合RoHS规范及Pb-FreecdI嘉泰姆
Audio Input/OutputcdI嘉泰姆
- Wide Power Supply Voltage: 8 V to 26 VcdI嘉泰姆
- Digital Supply: 3.3VcdI嘉泰姆
- 20W/ch into an 8- Load from an 18-V SupplycdI嘉泰姆
- 40W into an 4- Mono load from an 18-V supplycdI嘉泰姆
- Supports 8 kHz - 48 kHz Sample Rates SerialcdI嘉泰姆
Audio Input (LJ/RJ/I2S)cdI嘉泰姆
- Bidirectional I2C interfacecdI嘉泰姆
Audio ProcessingcdI嘉泰姆
- DC Blocking FilterscdI嘉泰姆
- Channel Volume Control 24 dB to mutecdI嘉泰姆
- 14 Biquads for Speaker EQcdI嘉泰姆
- Flexible Dynamic Range Control (DRC)cdI嘉泰姆
BenefitscdI嘉泰姆
- EQ: Speaker Equalization Improves AudiocdI嘉泰姆
PerformancecdI嘉泰姆
- DRC: Enables Speaker Protection and Night-ModecdI嘉泰姆
ListeningcdI嘉泰姆
- Soft MutecdI嘉泰姆
- Auto detect: Automatically Detects Sample-ratecdI嘉泰姆
ChangescdI嘉泰姆
- Thermal and short circuit protectioncdI嘉泰姆
Available in TQFP-48 (EP) PackagecdI嘉泰姆
RoHS compliant and 100% lead(Pb)-freecdI嘉泰姆
Halogen-FreecdI嘉泰姆
应用范围 返回TOPcdI嘉泰姆
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TelevisioncdI嘉泰姆
iPodTM DockcdI嘉泰姆
Sound BarcdI嘉泰姆
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