参数资料
型号: MAX245D
厂商: Maxim Integrated Products, Inc.
元件分类: RS-232
英文描述: 5V High-Speed RS-232 Transceivers with 0.1uF Capacitors
中文描述: 5V的高速RS - 232收发器与0.1uF电容
文件页数: 20/36页
文件大小: 442K
代理商: MAX245D
M
+5V-Powered, Multichannel RS-232
Drivers/Receivers
20
______________________________________________________________________________________
20
19
18
17
16
15
14
13
1
2
3
4
5
6
7
8
T5
IN
N.C.
SHDN
T2
IN
T2
OUT
T1
OUT
T5
OUT
T4
IN
T3
IN
V-
C1+
V
CC
GND
T1
IN
12
11
9
10
C2-
C2+
C1-
V+
DIP/SO
MAX230
V+
V-
9
1
C1+
C1-
8
10
11
12
5
4
14
13
2
3
1
20
T3
IN
T4
IN
T2
IN
T5
IN
T1
OUT
T2
OUT
+5V INPUT
C2+
C2-
RS-232
OUTPUTS
TTL/CMOS
INPUTS
GND
6
400k
+5V
400k
+5V
400k
+5V
400k
+5V
400k
+5V
+10V TO -10V
VOLTAGE INVERTER
VCC
+5V TO +10V
VOLTAGE DOUBLER
7
1.0
μ
F
1.0
μ
F
1.0
μ
F
1.0
μ
F
19
15
16
T3
OUT
T4
OUT
18
x
T1
IN
T3
OUT
T4
OUT
T5
OUT
17
1.0
μ
F
T1
T2
T3
T4
T5
N.C.
SHDN
TOP VIEW
Figure 9. MAX230 Pin Configuration and Typical Operating Circuit
V+
V-
14
3
C1+
C1-
1
2
8
7
11
4
T2
IN
T1
IN
T1
OUT
T2
OUT
+5V INPUT
RS-232
INPUTS
TTL/CMOS
INPUTS
GND
12 (14)
5k
5k
+12V TO -12V
VOLTAGE CONVERTER
13 (15)
V
CC
1.0
μ
F
1.0
μ
F
C2
1.0
μ
F
400k
+5V
400k
+5V
6
9
10
R1
IN
R2
IN
R2
OUT
R1
OUT
5
16
15
14
13
12
11
10
9
1
2
3
4
5
6
7
8
V+
V
CC
GND
T1
OUT
T2
OUT
V-
C-
C+
MAX231
R1
IN
R1
OUT
T1
IN
N.C.
N.C.
T2
IN
R2
OUT
R2
IN
SO
(12)
RS-232
OUTPUTS
TTL/CMOS
INPUTS
(11)
(13)
(10)
PIN NUMBERS IN ( ) ARE FOR SO PACKAGE
14
13
12
11
10
9
8
1
2
3
4
5
6
7
V+
V
CC
GND
T1
OUT
T2
OUT
V-
C-
C+
MAX231
R1
IN
R1OUT
T1
IN
T2
IN
R2
OUT
R2
IN
DIP
+7.5V TO +12V
(16)
T1
T2
R1
R2
TOP VIEW
Figure 10. MAX231 Pin Configurations and Typical Operating Circuit
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