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AK4492 PDF预览

AK4492

更新时间: 2024-11-22 01:22:19
品牌 Logo 应用领域
AKM /
页数 文件大小 规格书
101页 2100K
描述
Quality Oriented 32-Bit 2ch DAC

AK4492 数据手册

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[AK4492]  
AK4492  
Quality Oriented 32-Bit 2ch DAC  
1. General Description  
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.  
Application: 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  
2. Features  
THD+N: -115 dB  
DR, S/N: 127 dB (2 Vrms Output)  
128 Times Over Sampling  
Sampling Rate: 8kHz 768 kHz  
32-bit 8x Digital Filter  
- Short Delay Sharp Roll-off, GD=6.0/fs,  
Ripple: 0.005dB, Attenuation: 100dB  
- Short Delay Slow Roll-off, GD=5.0/fs  
- Sharp Roll-off  
- Slow Roll-off  
- Low-dispersion Short Delay Filter  
- Super Slow Roll-off  
High Tolerance to Clock Jitter  
Low Distortion Differential Output  
2.8 MHz, 5.6 MHz, 11.2 MHz DSD Input Support  
- Filter1 (fc = 39 kHz, 2.8 MHz mode)  
- Filter2 (fc = 76 kHz, 2.8 MHz mode)  
Digital De-emphasis for 32, 44.1and 48kHz sampling  
Soft Mute  
Digital Attenuator (255 levels and 0.5dB step + mute)  
Mono Mode  
External Digital Filter Interface  
Audio I/F Format: 24/32 bit MSB justified, 16/20/24/32 bit LSB justified, I2S, DSD, TDM  
Master Clock  
8 kHz ~ 32 kHz: 256 fs or 384 fs or 512 fs or 768 fs or 1024 fs or 1152 fs  
8 kHz ~ 54 kHz: 256 fs or 384 fs or 512 fs or 768 fs  
8 kHz ~ 108 kHz: 256 fs or 384 fs  
108 kHz ~ 216 kHz: 128 fs or 192 fs  
~384 kHz: 32 fs or 48 fs or 64 fs or 96 fs  
~768 kHz: 16 fs or 32 fs or 48 fs or 64 fs  
3-wire, I2C-bus Interface  
016011073-E-00  
2016/12  
- 1 -  

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