Marantz ER2500 Service Manual page 27

IC27: AK5381
No. Pin Name
1 AINR
2 AINL
3 CKS1
4 VCOM
5 AGND
6 VA
7 VD
8 DGND
9 SDTO
10 LRCK
11 MCLK
12 SCLK
13 PDN
14 DIF
15 CKS2
16 CKS0
Note: All digital input pins should not be left floating.
AINL
AINR
VCOM
AINR
1
AINL
2
CKS1
3
VCOM
4
AGND
5
VA
6
VD
7
DGND
8
I/O
I Rch Analog Input Pin
I Lch Analog Input Pin
I Mode Select 1 Pin
Common Voltage Output Pin, VA/2
O
Bias voltage of ADC input.
- Analog Ground Pin
- Analog Power Supply Pin, 4.5 5.5V
- Digital Power Supply Pin, 2.7 5.5V(fs=48kHz), 3.0 5.5V(fs=96kHz)
- Digital Ground Pin
Audio Serial Data Output Pin
O
"L" Output in Master Mode at Power-down mode.
Output Channel Clock Pin
I/O
"L" Output in Master Mode at Power-down mode.
I Master Clock Input Pin
Audio Serial Data Clock Pin
I/O
"L" Output in Master Mode at Power-down mode.
Power Down Mode Pin
I
"H": Power up,
Audio Interface Format Pin
I
"H" : 24bit IS Compatible, "L": 24bit MSB justified
I Mode Select 2 Pin
I Mode Select 0 Pin
VA AGND VD
Modulator
Modulator
Voltage Reference
CKS2 CKS1 CKS0
Top View
Function
ìLî: Power down
DGND
Clock Divider
Decimation
Filter
Decimation
Filter
PDN
25
CKS0
16
CKS2
15
DIF
14
PDN
13
SCLK
12
MCLK
11
LRCK
10
SDTO
9
MCLK
LRCK
SCLK
Serial I/O
SDTO
Interface
DIF