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MAX253C データシートの表示(PDF) - Maxim Integrated
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コンポーネント説明
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MAX253C
Transformer Driver for Isolated RS-485 Interface
Maxim Integrated
MAX253C Datasheet PDF : 16 Pages
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Transformer Driver for
Isolated RS-485 Interface
78L05
ISO
10µF
5V
79 L12
ISO
-12V
10µF
0.1µF
ANALOG
INPUT
0.1µF
10µF
MAX176
1
V
DD
8
V
SS
2
7
AIN CONVST
3
VREF
4
GND
6
CLOCK
5
DATA
0.1µF 10µF
3k
3k
470
Ω
SIGNAL
GROUND
ISOLATION
V
IN
5V
BARRIER
1CT : 1.5CT : 3CT*
4 x 1N5817
1
D1
6
V
CC
MAX253
8
D2
4
SD
ON/OFF
GND1 GND2
10µF
2
7
+5V
6N136
8
1
7
2
200
Ω
6
3
5
4
6N136
8
1
7
2
200
Ω
6
3
5
4
6N136
1
8
74HC04
74HC04
START
INPUT CLOCK
QH
7
14
SER
QG
6
74HC595
QF
5
11
SCK
QE
4
QD
3
12
RCK
QC
2
QB
1
+5V
10
SCLR
QA
15
16
13
8
D11(MSB)
D10
D9
D8
+5V
0.1µF
2
7
8.2k
3
6
4
5
8
QH
′
QH
7
14
SER
QG
6
74HC595
QF
5
11
SCK
QE
4
QD
3
12
RCK
QC
2
QB
1
+5V
10
SCLR
15
QA
16
13
8
D7
D6
D5
D4
D3
D2
D1
D0(LSB)
+5V
0.1µF
*SEE TABLE 2
Figure 10. Typical Isolated ADC Application
______________________________________________________________________________________ 13
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