NAD T 761 - IC Block Diagrams; AC3 Board IC Block Diagrams

45
IC BLOCK DIAGRAM
AC3 BOARD
U101: 74HC151
AC3 BOARD
U102: 74HC157
AC3 BOARD
U103: CS5331A
1D3
2D2
3D1
4D0
5Y
6W
7ST
16 V
CC
15 D4
14 D5
13 D6
12 D7
11 A
10 B
8GND
9C
12
11
10
9
S7
13
S6
14
S5
15
S4
1
S3
2
S2
3
S1
4
12
13
14
15
1
2
3
4
7
ST
6
W
5
Y
S0
S7
S7
A
S6
S6
S5
S5
S4
S4
S3
S3
S2
S2
S1
S1
S0
S0
B
C
4
1Y
7
2Y
9
3Y
12
4Y
15
1
G
13
4B
10
3B
6
2B
5
2A
3
1B
2
1A
11
3A
14
4A
A/B
1A/B VCC16
21A G15
31B 4A14
41Y 4B13
52A 4Y12
62B 3A11
72Y 3B10
8GND 3Y9
AINL
8
+
-
+
-
+
-
5
6
7
42 3
1
AINR
AGND
S/H
Comparator
MCLK SCLK LRCK
SDATA
Comparator
Voltage Reference
Serial Output Interface
Digital
Decimation
Filter
Digital
Decimation
Filter
High
Pass
Filter
High
Pass
Filter
S/H
VA+
+
-
LP Filter
DAC
DAC
LP Filter