[AK4372]
■
Comparison with AK4370/71
1 Function
Function
Analog Mixing
PLL
Internal VREF
Hands-free Amp
Ta
Package
AK4370
2-Stereo
Single-ended Input
or Full-differential Input
No
No
No
−30 ∼
+85°C
24 pin QFN
(4mm x 4mm, 0.5mm pitch)
AK4371
3-Stereo
Single-ended Input
or Full-differential Input
Yes
Yes
Yes
−30 ∼
+85°C
32 pin QFN
(4mm x 4mm, 0.4mm pitch)
AK4372
1-Stereo + 1-Mono
Single-ended Input
or Full-differential Input
Yes
No
No
AK4372ECB:
−30 ∼
+85°C
AK4372VCB:
−40 ∼
+85°C
24 pin CSP
(2.5mm x 2.5mm, 0.4mm pitch)
2 Register (difference from AK4370/71)
Addr
00H
01H
02H
03H
04H
05H
06H
07H
08H
09H
0AH
0BH
0CH
0DH
0EH
0FH
10H
11H
12H
13H
Register Name
Power Management 0
PLL Control
Clock Control
Mode Control 0
Mode Control 1
DAC Lch ATT
DAC Rch ATT
Headphone Out Select 0
Lineout Select 0
Lineout ATT
Reserved
Reserved
Reserved
Headphone Out Select 1
Headphone ATT
Lineout Select 1
Mono Mixing
Differential Select
Reserved
Reserved
D7
PMVREF
FS3
PLL4
0
ATS
ATTL7
ATTR7
HPG1
0
0
0
0
0
RIN3HR
0
RIN3R
0
0
RIN3M
0
D6
D5
D4
D3
D2
PMPLL
PMLO
MUTEN PMHPR PMHPL
FS2
FS1
FS0
PLL3
PLL2
MCKAC
0
M/S
BF
PS0
MONO1 MONO0
BCKP
LRP
DIF2
DATTC LMUTE SMUTE
BST1
BST0
ATTL6
ATTL5
ATTL4
ATTL3
ATTL2
ATTR6
ATTR5
ATTR4
ATTR3
ATTR2
HPG0
MINHR MINHL
RINHR
LINHL
LOG
MINR
MINL
RINR
LINL
0
0
0
ATTS3
ATTS2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
RIN3HL LIN3HR LIN3HL RIN2HR RIN2HL
HPZ
HMUTE ATTH4
ATTH3
ATTH2
RIN3L
LIN3R
LIN3L
RIN2R
RIN2L
0
L3M
L3HM
L2M
L2HM
0
0
0
0
LDIFM
LIN3M
RIN2M
LIN2M
RIN1M
LIN1M
MMUTE
PMMO
MOG
ATTM3 ATTM2
These bits are changed from the AK4370/71.
These bits are deleted in the AK4372.
These bits are deleted in the AK4370.
D1
PMDAC
PLL1
PS1
DIF1
DEM1
ATTL1
ATTR1
DARHR
DARR
ATTS1
0
0
0
LINHR
ATTH1
LINR
LM
LDIFH
DARM
ATTM1
D0
PMVCM
PLL0
MCKO
DIF0
DEM0
ATTL0
ATTR0
DALHL
DALL
ATTS0
0
0
0
RINHL
ATTH0
RINL
LHM
LDIF
DALM
ATTM0
MS0684-E-02
-4-
2008/12
AKM [ ASAHI KASEI MICROSYSTEMS ]
