ON/OFF
circuit
Voltage
regulator
Soft
Start
-
+
Oscill
ator
fo Conversion
circuit
Q
R
S
+
-
Over
Heat
Detection
circuit
Drive
Circuit
F/F
Comparator
AMP
V
ref
V
IN
V
B
Vo
ON/OFF
V
NC
adj
COM
1
8
4
5
3
2
6, 7
Over
current
Detection
circuit
2
ERROR
AMP.
1
COMP.
S
50A
GROUND
SYNC.
COMP.
INV.INPUT
SOFT-START
SHUTDOWN
N.I.INPUT
DISCHARGE
5k
5k
V
REF
V
REF
V
i
R
T
C
T
S
R
9
5
7
6
3
12
15
8
10
FLIP
FLOP
TO INTRENAL
CIRCUITRY
OSCILLATOR
OUTPUT
PWM
LATCH
U.V.
LOCK
OUT
OSC.
REF.
REG.
16
4
NOR
OUTPUT B
SG1525A OUTPUT STAGE
SG1527A OUTPUT STAGE
14
NOR
V
C
OUTPUT A
11
13
OR
OUTPUT B
14
OR
V
C
OUTPUT A
11
13
FB
IN-
SCP
SCP
0.5
A
2A
2k
GND
OUT
RT
R
T
R
T
DTC
0.5V
PWM
1V
1V
UVLO
V+
0.8V
0.2V
1V
Vref
ER.AMP
Soft Start
Latch
Buffer
OSC
3
2
4
5
6
7
8
1
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
V
IN
L
V
IN
R
V
REF
1
V
REF
2
V
CC
AGND
PDWN
BYPAS
TEST
LRCK
MODE1
MODE0
FMT1
FMT0
OSR
SCKI
V
DD
DGND
DOUT
BCK
BCK
V
IN
L
Reference
V
REF
1
V
REF
2
V
IN
R
Delta-Sigma
Modulator
Delta-Sigma
Modulator
x 1/64, x 1/128
Decimation
Filter
With
High-Pass Filter
Power Supply
AGND
V
CC
V
DD
DGND
Clock and Timing Control
Serial
Interface
Mode/
Format
Control
LRCK
DOUT
FMT0
FMT1
MODE0
MODE1
BYPAS
OSR
PDWN
SCKI
TEST
r
NJU7630-M
(X8682A0)
Regulator
PSANH: IC205
r
PQ1CX12H2ZP
(X6188A0)
Regulator
PSANH: IC208
r
SG2525AN
(X8960A0)
PW Modulator
PSANH: IC301
r
PCM1803ADBR
(X7357B0)
A/D Converter
CONTROL: IC035-038
NXAMP4x4
41
Содержание NXAMP 4X4
Страница 48: ...B B NXAMP4x4 48 CONTROL Circuit Board Pattern side パターン側 2NA WR77020 10 0 ...
Страница 49: ...B B NXAMP4x4 49 CONTROL Circuit Board Pattern side パターン側 2NA WR77020 10 0 ...
Страница 51: ...NXAMP4x4 51 OUTANH Circuit Board Pattern side パターン側 2NA WJ97320 10 0 ...
Страница 54: ...B B NXAMP4x4 54 PN AN Circuit Board Pattern side パターン側 2NA WJ97170 10 2 ...
Страница 55: ...B B NXAMP4x4 55 PN AN Circuit Board Pattern side パターン側 2NA WJ97170 10 2 ...
Страница 59: ...B A NXAMP4x4 59 PSANHA PSANHB Circuit Board Reduction 7 10 Component side 部品側 2NA WJ97350 70 3 ...
Страница 60: ...B B NXAMP4x4 60 PSANHA PSANHB Circuit Board Reduction 7 10 Pattern side パターン側 2NA WJ97350 70 3 ...
Страница 63: ...Expansion slot NXAMP4x4 63 NX DFLT Circuit Board Pattern side パターン側 Component side 部品側 2NA WT66120 10 0 ...