參數(shù)資料
型號: MAX253MJA
廠商: MAXIM INTEGRATED PRODUCTS INC
元件分類: 其它接口
英文描述: Transformer Driver for Isolated RS-485 Interface
中文描述: SPECIALTY INTERFACE CIRCUIT, CDIP8
封裝: CERAMIC, DIP-8
文件頁數(shù): 13/16頁
文件大小: 230K
代理商: MAX253MJA
M
Transformer Driver for
Isolated RS -485 Interfac e
______________________________________________________________________________________
13
10μF
6N136
MAX253
D1
D2
GND1
GND2
V
CC
4
2
7
8
1
SD
6
6N136
6N136
10μF
79 L12
78L05
1
2
3
4
8
7
6
5
1
2
3
4
8
7
6
5
1
2
3
4
8
7
6
5
1
2
3
4
8
7
6
5
CONVST
V
DD
V
SS
CLOCK
DATA
AIN
VREF
GND
MAX176
3k
3k
470
0.1μF 10μF
0.1μF
10μF
0.1μF
10μF
+5V
200
200
8.2k
74HC04
7
6
5
4
3
2
1
15
16
QH
QG
QF
QE
QD
QC
QB
QA
SER
74HC595
SCK
RCK
SCLR
14
11
12
10
13
8
+5V
0.1μF
D11(MSB)
D10
D9
D8
+5V
7
6
5
4
3
2
1
15
16
QH
QG
QF
QE
QD
QC
QB
QA
SER
74HC595
SCK
RCK
SCLR
14
11
12
10
13
8
+5V
0.1μF
D7
D6
D5
D4
D3
D2
D1
D0(LSB)
+5V
74HC04
ON/OFF
START
INPUT CLOCK
1CT : 1.5CT : 3CT*
4 x 1N5817
V
IN
5V
SIGNAL
GROUND
ANALOG
INPUT
ISO
5V
ISO
-12V
8
QH
ISOLATION
BARRIER
*SEE TABLE 2
Figure 10. Typical Isolated ADC Application
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