AK4561 Datasheet, PDF (4/48 Pages) Asahi Kasei Microsystems – 16bit CODEC with built-in ALC and MIC/HP-Amp

ASAHI KASEI
AKM CONFIDENTIAL
PIN/FUNCTION
No. Pin Name
Power Supply
17 VREF
18 VCOM
19 AGND
20 VA
28 VD
29 DGND
30 VT
37 VCOM_H
42 HVDD
52 MPWR
55 MRF
56 MVCM
57 MVSS
58 MVDD
Operation Clock
22 BCLK
23 LRCK
24 MCLK
25 SDTI
26 SDTO
MIC Block
1 INV_O_R
2 EQ_N_L
3 EQ_O_L
4 HPF_P1_L
5 HPF_P2_L
6 HPF_O_L
44 HPF_O_R
45 HPF_P2_L
46 HPF_P1_L
47 EQ_O_R
48 EQ_N_R
49 INV_O_L
50 PRE_O_R
51 PRE_N_R
53 EXT_MIC_R
54 INT_MIC_R
60 INT_MIC_L
61 EXT_MIC_L
62 MIC_B
63 PRE_N_L
64 PRE_O_L
I/O
Function
O ADC, DAC Reference Level, 0.5 x VA
O Common Voltage Output Pin, 0.5 x VA
- Analog Ground Pin
- Analog Power Supply Pin, +2.8V
- Digital Power Supply Pin, +2.8V
- Digital Ground Pin
- Digital I/F Power Supply Pin, +2.8V
O LINEOUT Common Voltage Output Pin, 0.5 x HVDD
- LINEOUT Power Supply Pin, +4.5V
O MIC Power Supply Pin, +2.0V, Idd=3mA(max)
O MIC Power Supply Ripple Filter Pin
O MIC Block Common Voltage Output Pin, 0.5 X MVDD
- MIC Block Ground Pin
- MIC Block Power Supply Pin
I Audio Serial Data Clock Pin
I Input/Output Channel Clock Pin
I Master Clock Input Pin
I Audio Serial Data Input Pin
O Audio Serial Data Output Pin
O Rch Inverter-Amp Output Pin
I Lch EQ-Amp Negative Input Pin
O Lch EQ-Amp Output Pin
I Lch HPF-Amp Positive #1 Input Pin
I Lch HPF-Amp Positive #2 Input Pin
O Lch HPF Output Pin
O Rch HPF Output Pin
I Lch HPF-Amp Positive #2 Input Pin
I Lch HPF-Amp Positive #1 Input Pin
O Rch EQ-Amp Output Pin
I Rch EQ-Amp Negative Input Pin
O Lch Inverter-Amp Output Pin
O Rch Pre-Amp Output Pin
I Rch Pre-Amp Negative Input Pin
I Exteranl MIC Rch Input Pin
I Internal MIC Rch Input Pin
I Internal MIC Lch Input Pin
I External MIC Lch Input Pin
I MIC-Amp Bias Pin
I Lch Pre-Amp Negative Input Pin
O Lch Pre-Amp Output Pin
Note: All input pins should not be left floating.
[AK4561]
Rev. 0.9
2000/09
-4-