[原创] AKM AK4492Premium32位两路DAC解决方案

AKM公司的AK4492是采用VELVET SOUNDTM技术的新一代Premium 32位两路DAC,具有一流低失真特性和低功耗特性,具有六种类型32位8x数字滤波器,可接受高达768kHz PCM数据和11.2MHz DSD数据,THD+N位-115 dB, S/N为127dB.取样速率8kHz-768kHz,主要用在高分辨率音频源播放器,如智能手机,IC录音机,手持音频播放器,蓝牙耳机,USB耳机,CD/SACD播放器,网络音频,AV接收器等.本文介绍了AK4492主要特性,框图,连接图和多种应用电路,以及评估板AKD4492-SB-TypeS主要功能,框图和电路图.

The AK4492 is a new generation Premium 32-bit 2ch DAC with VELVET SOUNDTM technology, achieving industry’s leading level low distortion characteristics. The OSR-Doubler technology establishes low power consumption and low distortion characteristics. Moreover, the AK4492 has six types of 32-bit digital filters, realizing simple and flexible sound tuning in wide range of applications. The AK4492 accepts up to 768kHz PCM data and 11.2MHz DSD data, ideal for a high-resolution audio source playback that are becoming widespread in smartphone, portable audio player etc.

AK4492应用:

Smart Cellular Phones, IC-Recorders, Bluetooth Headphones, CD/SACD Players, Network Audios, USB DACs, USB Headphones, Sound Plates/Bars, HD Audio/Voice Conference Systems, AV Receivers

AK4492主要特性:

 THD+N: -115 dB ..

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