NAD C521 - IC Block Diagrams (Continued); PCM1710 U IC Block Diagram; NE5532 IC Block Diagram; TC74 HC00 IC Block Diagram

18
U302: PCM1710U
Input
Interface
Timing
Control
Digital
Filter
Mode
Control
Noise
Shaper
5-Level DAC
Left
Low Pass Filter
Left
CMOS Amp
Left
5-Level DAC
Right
Low Pass Filter
Right
CMOS Amp
Right
1
2
3
4
6
8
10
12
5
7
9
11
13
14
LRCIN
DIN
BCKIN
CLKO
XTI
XTO
DGND
VDD
VCC2R
AGND2R
EXT1R
EXT2R
VOUTR
AGND1
28
27
26
25
23
21
19
17
24
22
20
18
16
15
ML/DSD
MC/DM2
MC/DM1
MUTE
MODE
CKSL
DGND
VDD
VCC2L
AGND2L
EXT1L
EXT2L
VOUTL
VCC1
A1
B1
Y1
A2
B2
Y2
GND
VCC
B4
A4
Y4
B3
A3
Y3
1
2
3
4
5
6
7
14
13
12
11
10
9
8
AMPLIFIER 1
OUTPUT
INVERTING
INPUT
NON-INVERTING
INPUT
V –
AMPLIFIER 2
V +
OUTPUT
INVERTING
INPUT
NON-INVERTING
INPUT
1
2
3
4
8
7
6
5
+ – – +
U305-U306: NE5532
U403: TC74HC00