[原创] AKM AK5397高性能32位立体声ADC解决方案

AKM公司的AK5397是高性能32位立体声ADC,立体声输出的动态范围127dB,取样频率8kHz ~ 768kHz,S/(N+D)为108dB,通带 0 ~ 21.82kHz (@ fs=48kHz) ,阻带衰减100dB,通带波动+0.00010/-0.00015dB.本文介绍了AK5397主要特性,框图, 应用电路图以及评估板AKD5397-SA主要特性和电路图.

The AK5397 is a high performance 32-bit stereo ADC that achieves class leading performance of 127dB dynamic range for stereo output. This is a flagship addition to AKM’s VERITA series of product in the Audio 4 ProTM family. The AK5397 integrates a newly developed circuit by VELVET SOUNDTM technology achieving rich sound field and bass representation that realizes a music playback experience with less distortion. The class leading performance with a maximum 768kHz PCM output is supported for digital output and newly developed 32-bit digital filters are integrated for the best sound quality. The AK5397 is suitable for digital video recorders and high quality sound studio mixers for recording and editing high-resolution sound sources.

AK5397主要特性:

Advanced multi bit Architecture ADC
Resolution: 32bit
Sampling Rate: 8kHz ~ 768kHz
Full Differential Inputs
S/(N+D): 108dB
DR, S/N: 127dB (Mono Mode: 130dB)
Sharp Roll Off Digital Filter (GD=41.5/fs) ..

查看全文