ASAHI KASEI
[AK4620B]
Block Diagram
ADMODE
AINL+
VD
VT
DGND
AINL-/NC
ADC
AINR+
HPF
DATT
PDN
LRCK
BICK
SDTO
SDTI
MCLK
DFS0
DAC
DATT
SMUTE
Control Register I/F
P/S
AINR-/NC
OVFL/DZFL
OVFR/DZFR
AOUTL+
AOUTL-
AOUTR+
AOUTR-
OVF
Audio I/F
Controller
VCOM
VREF
VA
AGND
DEM0
CSN/
DIF
CCLK/
CKS1
CDTI/
CKS0
Figure 1. Block Diagram
•
Compatibility with AK4528 / AK4524
Function
Max fs
ADC Inputs
Input analog PGA
Input digital ATT
ADC S/(N+D)
ADC DR, S/N
ADC Digital Filter SA
ADC Overflow detection
DAC S/(N+D)
DAC DR, S/N
Output digital Attenuator
DAC DSD mode
DAC Zero-data detection
X’tal Oscillating Circuit
Master Mode
Parallel Mode
AK4524
96kHz
Single-ended
0dB ~ +18dB
0.5dB/step
Mute, -72dB ~ 0dB
Pseudo-log step
90dB
100dB
75dB
-
94dB
110dB
Mute, -72dB ~ 0dB
Pseudo-log step
-
-
X
X
-
AK4528
108kHz
Differential
-
Mute, -72dB ~ 0dB
Pseudo-log step
94dB
108dB
75dB
-
94dB
110dB
Mute, -72dB ~ 0dB
Pseudo-log step
-
-
-
-
X
AK4620B
216kHz
Single-ended
Differential
0 ~ +18dB
-
0.5dB/step
Mute,-63.5dB ~ 0dB Mute,-63.5dB ~ 0dB
0.5dB/step
0.5dB/step
90dB
100dB
110dB
113dB
100dB
X
97dB
115dB
Mute, -48dB ~ 0dB Mute, -48dB ~ 0dB
Linear 256 steps
Linear 256 steps
X
X
-
-
X
X: Available, -: NOT available
MS0401-E-00
-2-
2005/07
AKM [ ASAHI KASEI MICROSYSTEMS ]
