IC753
IC753
IC753
IC753
IC751
IC752
IC752
W751
A
1
2
3
4
5
6
7
8
9
10
B
C
D
E
F
G
H
I
J
K
L
M
N
RX-V1900/HTR-6290/DSP-AX1900
143
NET 2/2
A-1
0
0
0
3.4
1.8
0
0
5.1
1.8
5.0
5.0
5.0
5.0
12.2
0
1.7
1.7
2.5
2.5
2.6
0
5.1
1.6
5.1
5.1
1.8
1.6
1.6
1.6
3.4
0
to NET 1/2
to NET 1/2
to NET 1/2
AUDIO DAC
IC752
: NJM4565M
Dual operational amplifier
8
2, 6
3, 5
1, 7
4
V+
–INPUT
+INPUT
V–
OUTPUT
(1) Open-drain output for the PCM1782
NOTE: Signal names in parentheses ( ) are for the PCM1781.
Power Supply
Enhanced
Multilevel
Delta-Sigma
Modulator
VOUTL
4 /8
Oversampling
Digital
Filter
With
Function
Control
Audio
Serial
Port
BCK
LRCK
DATA
Serial
Control
Port
Zero Detect
(TEST)
SCK
System
Clock
Manager
MC (DEMP1)
MS (DEMP0)
Output Amp
and
Low-Pass Filter
MD (MUTE)
DAC
VCOM
System Clock
AGND
V
CC
ZEROR/ZEROA
(1)
(ZEROA)
ZEROL/NA
(1)
Output Amp
and
Low-Pass Filter
DAC
VOUTR
(FMT)
ZEROA
VOUTL
VOUTR
VCOM
AGND
VCC
NC
TEST
16
15
14
13
12
11
10
9
FMT
DEMP0
DEMP1
MUTE
SCK
DATA
BCK
LRCK
1
2
3
4
5
6
7
8
IC751
: PCM1781DBQR
Audio digital-to-analog converter
IC753
: SN74LVC3GU04DCTR
Triple inverter gate
1
2
3
4
8
7
6
5
1A
3Y
2A
GND
V
CC
1Y
3A
2Y
POINT
A-1 XL751 (Pin 6 of IC753)
to DSP_CB562
(R, T, K, A, B, G, E, L, J models)
Page 125
F1
Содержание DSP-AX1900
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