[AK5397] AK5397
32-Bit Stereo Premium ADC
1. Genaral Description
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. 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 2.
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) Passband: 0 ~ 21.82kHz (@ fs=48kHz) Passband Ripple: +0.00010/-0.00015dB Stopband Attenuation: 100dB Short Delay Digital Filter (GD=12.5/fs) Passband: 0 ~ 22.22kHz (@ fs=48kHz) Passband Ripple: +0.055/-0.015dB Stopband Attenuation: 93dB Minimum Phase Digital Filter (GD=3.5/fs) Passband: 0 ~ 21.75kHz(@ fs=48kHz) Passband Ripple: +0.04/-0.02dB Stopband Attenuation: 93dB Feartures
Master / Slave Mode Master Clock: 256fs/512fs (Normal Speed; 8kHz~48kHz) 256fs (Double Speed; 48Hz ~ 96kHz) 128fs (Quad Speed; 96kHz ~ 192kHz) 64fs (Octal Speed; 192kHz ~ 384kHz) 32fs (Hex Speed; 384kHz ~ 768kHz) Audio Interface Format: 32bit MSB justified, I2S compatible or TDM Cascade TDM I/F: 8ch/48kHz, 4ch/96kHz, 4ch/192kHz Digital HPF for Offset Cancel Overflow Flag Power Supply: 4.75 ~ 5.25V(Analog), 3.0 ~ 3.6V(Digital) Power Dissipation: 455mW Ta = -10 ~ 70 C Package: 44-pin LQFP 014011535-E-00 -1- 2014/11 [AK5397] 3.
AVDD AVSS SDFI L VCOM LIN+ LINVREFHL VREFLL VREFLR VREFHR RINRIN+ Common Voltage Delta-Sigma Modulator Voltage Reference Voltage Reference Delta-Sigma Modulator Block Diagram
HPFE DVDD DVSS MONO DIF TDM1 TDM0 SDM2 Decimation Filter HPF SDM1 TDMIN2 TDMIN1 OVF SDTO1 SDTO2 LRCK BICK MCLK MSN Audio Interface Decimation Filter HPF PDN CKS2 CKS1 CKS0 Figure 1. Block Diagram 014011535-E-00 -2- 2014/11 [AK5397] 4.
1. 2. 3. 4. 5. Table of Contents Genaral Description . 1 Feartures . 1 Block Diagram . 2 Table of Contents . 3 Pin Configurations and Functions . 4 Pin Configurations . 4 Functions . 5 Handling of Unused Pin . 6 6. Absolute Maximum Ratings . 7 7. Recommended Operating …
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