參數(shù)資料
型號(hào): 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(yè)數(shù): 10/16頁(yè)
文件大小: 230K
代理商: MAX253MJA
M
Transformer Driver for
Isolated RS -485 Interfac e
10
______________________________________________________________________________________
C3
0.1μF
C1
0.1μF
C2
22μF
5V @ 200mA
ISOOUTPUT
5V
V
IN
2L2
MAX253
D1
D2
FS
GND1
GND2
V
CC
1
8
6
2
7
3
FREQUENCY
SWITCH
SD
4
C7
2.2μF
FILTER
OUTPUT
OUTPUT
OPTIONAL 21kHz LOWPASS OUTPUT FILTER
TP1
1N5817
ICT
:
1.3CT*
1N5817
ON / OFF
*SEE TABLE 2
Figure 6. 5V to Isolated 5V Application Circuit
C3
0.1μF
C1
0.1μF
C2
22μF
5V @ 100mA
ISOOUTPUT
3.3V
V
IN
2L2
MAX253
D1
D2
FS
GND1
GND2
V
CC
6
1
8
2
7
3
FREQUENCY
SWITCH
SD
4
C7
2.2μF
FILTER
OUTPUT
OUTPUT
OPTIONAL 21kHz LOWPASS OUTPUT FILTER
TP1
1N5817
ICT
:
2.1CT*
1N5817
ON / OFF
1N5817
1N5817
C4
0.1μF
*SEE TABLE 2
Figure 7. 3.3V to Isolated 5V Application Circuit
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