[AK4621]
■
Compatibility with AK4620B
1. Function
Function
Max fs
ADC Inputs
Input analog PGA
Input digital ATT
ADC S/(N+D)
ADC DR, S/N
ADC Digital Filter Type
ADC Digital Filter SA
ADC Digital Filter GD
DAC S/(N+D)
DAC DR, S/N
DAC Digital Filter Type
DAC Digital Filter SA
DAC Digital Filter GD
Output digital Attenuator
DAC DSD mode
DAC Zero-data detection
Parallel Mode
AK4620B
216kHz
Single-ended
0 ~ +18dB
0.5dB/step
Mute,-63.5dB ~ 0dB
0.5dB/step
90dB
110dB
Differential
-
Mute,-63.5dB ~ 0dB
0.5dB/step
100dB
113dB
AK4621
←
Differential
-
-
102dB
115dB
Sharp Roll-off
100dB
39/fs
Short Delay
Sharp Roll-off
80dB
14/fs
←
Sharp Roll-off
70dB
27/fs
Slow Roll-off
Short Delay
Sharp Roll-off
70dB
7/fs
Sharp Roll-off
100dB
43.2/fs
97dB (0dBFS)
115dB
Sharp Roll-off
75dB
28/fs
Mute, -48dB ~ 0dB
Linear 256 steps
X
X
X
Slow Roll-off
72dB
28/fs
Mute, -48dB ~ 0dB
Linear 256 steps
100dB (-1dBFS)
73dB
27/fs
Mute, -72dB ~ 0dB
Linear 16 + 256 steps
-
←
←
X: Available, -: Not Available
2. Register (difference from AK4620B)
Addr
00H
01H
02H
03H
04H
05H
06H
07H
08H
09H
Register Name
Power Down Control
Reset Control
Clock and Format Control
Deem and Volume Control
Reserved
Reserved
Lch DATT Control
Rch DATT Control
Lch Extension DATT Control
Rch Extension DATT Control
D7
SLOW
D/P
DIF2
SMUTE
IATTL7
IATTR7
DATTL7
DATTR7
0
0
D6
D5
D4
D3
DZFB
ZOE
ZOS
SDDA
DCKS
DCKB
SDAD
AML
DIF1
DIF0
CMODE
CKS1
HPRN
HPLN
ZCEI
ZTM1
IATTL6
IATTL5
IATTL4
IATTL3
IATTR6
IATTR5
IATTR4
IATTR3
DATTL6 DATTL5 DATTL4 DATTL3
DATTR6 DATTR5 DATTR4 DATTR3
0
EXTE
0
EATTL3
0
0
0
EATTR3
These bits were added in the AK4621.
These bits were deleted in the AK4621.
D2
PWVR
AMR
CKS0
ZTM0
IATTL2
IATTR2
DATTL2
DATTR2
EATTL2
EATTR2
D1
PWAD
RSTAD
DFS1
DEM1
IATTL1
IATTR1
DATTL1
DATTR1
EATTL1
EATTR1
D0
PWDA
RSTDA
DFS0
DEM0
IATTL0
IATTR0
DATTL0
DATTR0
EATTL0
EATTR0
MS1258-E-01
-4-
2011/01
AKM [ ASAHI KASEI MICROSYSTEMS ]
