PSR-A300
14
■
IC BLOCK DIAGRAM
HD74LV32AFPEL (IS003200)
Quad 2 Input OR
1
2
3
1A
1Y
4
2A
5
2B
6
2Y
7
GND
1B
14
13
12
Vcc
4A
11
4Y
10
3B
9
3A
8
3Y
4B
AK4385ET (X6040A00)
D/A Converter
1
2
3
4
5
6
7
16
15
14
13
12
11
8
7
8
10
9
CSN
CCLK
CCLK
CDTI
CDTI
LRCK
LRCK
BICK
BICK
SDTI
SDTI
PDN
PDN
VDD
MCLK
MCLK
VSS
DZFL
DZFR
AOUTL+
AOUTL-
AOUTR+
AOUTR-
VDD
VSS
DZFL
DZFR
AOUTL+
AOUTL-
AOUTR+
AOUTR-
∆Σ
Modulator
∆Σ
Modulator
µ
P
Interface
De-emphasis
Control
Clock
Divider
Audio
Data
Interface
8X
Interpolator
8X
Interpolator
SCF
SCF
CSN
NJM4580E (X2331A00)
Dual Operational Amplifier
1
2
3
4
-V
8
7
6
5
A Output
+V
A+INPUT
V
-
V
+
B Output
B
-
INPUT
B +INPUT
A
-
INPUT
+
-
+
-
SN74LV138ANSR (ISO013810)
DECODER
1
2
3
4
5
6
7
A
A
Select
Enable
Output
Output
B
B
C
C
G2A
G2A
G2B
G2B
G1
G1
Y7
Y7
Y5
Y4
Y3
Y2
Y1
Y0
Y6
16
15
14
13
12
11
10
Vcc
YO
Y1
Y2
Y3
Y4
Y5
8
GND
9
Y6
ADCS7478AIMF (X5892A00)
A/D Converter
1
2
3
6
5
4
V
DD
V
IN
T/H
CONTROL
LOGIC
SUCCESSIVE
APPROXIMATION
ADC
SDATA
SCLK
GND
CS