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Asahi Kasei Microsystems

AK5397 Datasheet Preview

AK5397 Datasheet

32-Bit Stereo Premium ADC

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[AK5397]
AK5397
32-Bit Stereo Premium ADC
1. Genaral Description
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.
2. Feartures
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
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




Asahi Kasei Microsystems

AK5397 Datasheet Preview

AK5397 Datasheet

32-Bit Stereo Premium ADC

No Preview Available !

VCOM
LIN+
LIN-
VREFHL
VREFLL
VREFLR
VREFHR
RIN-
RIN+
[AK5397]
3. Block Diagram
AVDD AVSS SDFI
L
HPFE DVDD DVSS MONO DIF
Common
Voltage
Delta-Sigma
Modulator
Voltage
Reference
Voltage
Reference
Delta-Sigma
Modulator
Decimation
Filter
Decimation
Filter
HPF
HPF
Audio
Interface
TDM1
TDM0
SDM2
SDM1
TDMIN2
TDMIN1
OVF
SDTO1
SDTO2
LRCK
BICK
MCLK
MSN
PDN
Figure 1. Block Diagram
CKS2 CKS1 CKS0
014011535-E-00
-2-
2014/11


Part Number AK5397
Description 32-Bit Stereo Premium ADC
Maker Asahi Kasei Microsystems
PDF Download

AK5397 Datasheet PDF






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