参数资料
型号: MAX240D
厂商: Maxim Integrated Products, Inc.
英文描述: TV 23C 21#20 2#16 SKT RECP
中文描述: 5V的供电,多通道的RS - 232驱动器/接收
文件页数: 29/36页
文件大小: 442K
代理商: MAX240D
M
+5V-Powered, Multichannel RS-232
Drivers/Receivers
______________________________________________________________________________________
29
400k
+10V TO -10V VOLTAGE INVERTER
+5V TO +10V VOLTAGE DOUBLER
V
CC
400k
400k
GND
+5V
+5V
+5V
+5V
+5V
25
24
23
21
20
2
1
μ
F
1
μ
F
1
μ
F
1
μ
F
1
μ
F
16
3
17
4
18
5k
5k
5k
5k
5k
5k
5k
5k
5k
5k
C2-
C2+
C1-
C1+
T
A2
OUT
T
A2
IN
T
A3
OUT
T
A3
IN
T
A4
OUT
T
A4
IN
9 R
A1
IN
10 R
A1
OUT
8 R
A2
IN
11 R
A2
OUT
7 R
A3
IN
12 R
A3
OUT
6 R
A4
IN
13 R
A4
OUT
5 R
A5
IN
14
19
R
A5
OUT
26
22
43
29
42
28
41
27
36
35
37
34
38
33
39
32
40
31
V-
V+
T
B2
OUT
T
B2
IN
400k
2
15
T
A1
OUT
T
A1
IN
44
30
T
B1
OUT
T
B1
IN
T
B3
OUT
T
B3
IN
T
B4
OUT
T
B4
IN
R
B1
IN
R
B1
OUT
R
B2
IN
R
B2
OUT
R
B3
IN
R
B3
OUT
R
B4
IN
R
B4
OUT
R
B5
IN
R
B5
OUT
MAX249 FUNCTIONAL DESCRIPTION
10 RECEIVERS
5 A-SIDE RECEIVER
5 B-SIDE RECEIVER
8 TRANSMITTERS
4 A-SIDE TRANSMITTERS
4 B-SIDE TRANSMITTERS
NO CONTROL PINS
44
1
2
3
4
40
41
42
43
5
21
24
26
25
27 28
22
23
19
20
8
9
10
11
12
13
14
15
16
17
29
30
31
32
33
34
35
36
37
38
T
A3
IN
V
C
R
A
I
MAX244
PLCC
TOP VIEW
T
A
O
T
A
O
T
A
O
T
A
O
T
B
O
T
B
O
T
B
O
T
4
O
R
B
I
G
V
C
C
C
V
C
T
B
I
T
B
I
R
B3
IN
R
B2
IN
R
B1
IN
R
B1
OUT
R
B2
OUT
R
B3
OUT
R
B4
OUT
R
B5
OUT
T
B1
IN
T
B2
IN
T
A2
IN
T
A1
IN
R
A5
OUT
R
A4
OUT
R
A3
OUT
R
A2
OUT
R
A1
OUT
R
A1
IN
R
A2
IN
7
39
R
B4
IN
R
A3
IN
6
18
R
A
I
T
A
I
+5V
+5V
+5V
+5V
Figure 20. MAX244 Pin Configuration and Typical Operating Circuit
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