Sanyo DCS-AVD8501 Service Manual page 54

IC BLOCK DIAGRAM & DESCRIPTION
IC861 PCM1602Y (Digital to Analog Converter)
BCK
LRCK
DATA1(1,2)
DATA2(3,4)
DATA3(5,6)
TEST
RST
ML
MC
MDI
MDO
SCKI
40
41
Serial
47
Input
I/F
46
45
Oversampling
Digital Filter
Function
42
Controller
37
Function
36
Control
35
I/F
34
33
System Clock
System Clock
38
Manager
39
36 35 34 33 32 31 30 29 28 27 26 25
RST
37
SCKI 38
SCKO 39
BCK 40
LRCK 41
TEST 42
V 43
DD
DGND 44
DATA1 45
DATA2 46
47
DATA3
ZEROA 48
1 2
4x8x
Enhanced
Multilevel
Delta-Sigma
with
Modulator
Zero Detect
48 1 2 3 4 5 6
PCM1602
3 4 5 8
6 9 9
- 69 -
Output Amp and
DAC
Low-Pass Filter
Output Amp and
DAC
Low-Pass Filter
Output Amp and
DAC
Low-Pass Filter
Output Amp and
DAC
Low-Pass Filter
Output Amp and
DAC
Low-Pass Filter
Output Amp and
DAC
Low-Pass Filter
Power Supply
43 44 28,26.24 27,25.23
22,18 21,17,19
V 3
24
DD
23 AGND3
22 V 4
CC
21 AGND4
20 NC
19 AGND6
18 V 5
CC
17 AGND5
16 NC
15 V
COM
14
V 1
OUT
13 V 2
OUT
10 11 12
14 V 1
OUT
13 V 2
OUT
12 V 3
OUT
15 V
COM
11 V 4
OUT
10 V 5
OUT
9 V 6
OUT