AK4561 Datasheet, PDF (2/48 Pages) Asahi Kasei Microsystems – 16bit CODEC with built-in ALC and MIC/HP-Amp

ASAHI KASEI
AKM CONFIDENTIAL
[AK4561]
EXT_MIC_L INT_MIC_L VTH
INT_MIC_R EXT_MIC_R
MVDD MVSS
MVCM
+
+
MRF
MPWR
64
63
62
61
60
59
58
57
56
55
54
53
52
51
50
49
S5- 6
1
S0
S0
Pre Amp
EQ
2
EQ Amp
3
Inv Amp
S0
MIC Block
PM0
Comparator
S0
S5- 6
48
Pre Amp
EQ Amp
47
EQ
EXT S0
Inv Amp
S1
46
S1
4
EXT S0
S1
5
PM1
S2
PM2
ADC
Delay
ATT
HPF
S2
Delay
ATT
S1
45
HPF
44
HPF
S2
Digital ALC
6
43
7
HVCM
8
PM5
S8
9
HPL
S8
10
HPR Headphone- Amp
PM5
11
S7
12
Analog Volume
13
S9
S12
S11
PM3
DAC
S10
42
HVDD
+
S4
S10 ^S10
S10 PM7
41
LOUT1
S3
S10
40
LIN
S4
S10
S10
S10 ^PM7
39
ROUT1
S3
38
RIN
37
+ ^VCOM_H
36
MUTE
S7
14
BEEP
15
PM5 or PM6
16
To SPK- Amp
17
18
VREF
VCOM
19
20
AGND
VA
PM6
Audio I/F
Controller
21
22
TEST
BCLK
Clock
Divider
23
24
25
LRCK
MCLK
SDTI
26
27
SDTO
COMP
28
29
30
+
VD
DGND
+
VT
35
CDTI
Control
Register
34
CS
I/F
33
CCLK
31
32
PD
REC_MUTE
Signal Select
Power Management
Power Save
Figure 1. AK4561 Block Diagram
Rev. 0.9
2000/09
-2-