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: 21/36页
文件大小: 442K
代理商: MAX240D
M
+5V-Powered, Multichannel RS-232
Drivers/Receivers
______________________________________________________________________________________
21
2
1
5
18
T2
IN
T1
IN
T1
OUT
T2
OUT
+5V INPUT
RS-232
OUTPUTS
TTL/CMOS
OUTPUTS
GND
6
GND
9
400k
+5V
400k
+5V
5k
5k
7
20
3
4
R1
IN
R2
IN
R2
OUT
R1
OUT
19
RS-232
OUTPUTS
TTL/CMOS
INPUTS
V
CC
( ) ARE FOR SO PACKAGE ONLY.
20
19
18
17
16
15
14
13
1
2
3
4
5
6
7
8
R2
IN
T2
OUT
V-
R1
IN
R1
OUT
T1
IN
C2-
C2+
V+ (C1-)
C1- (C1+)
(V+) C1+
V
CC
GND
T1
OUT
12
11
9
10
V- (C2+)
C2+ (C2-)
(V-) CS-
GND
DIP/SO
MAX233
MAX233A
T2
IN
R2
OUT
C1+
C1-
V-
V-
V+
C2+
C2-
C2-
C2+
8 (13)
13 (14)
12 (10)
17
14 (8)
11 (12)
15
16
10 (11)
DO NOT MAKE
CONNECTIONS TO
THESE PINS
INTERNAL -10
POWER SUPPLY
INTERNAL +10V
POWER SUPPLY
1.0
μ
F
TOP VIEW
Figure 11. MAX233/MAX233A Pin Configuration and Typical Operating Circuit
16
15
14
13
12
11
10
9
1
2
3
4
5
6
7
8
T3
OUT
T4
OUT
T4
IN
T3
IN
T1
IN
T2
IN
T2
OUT
T1
OUT
MAX234
V-
C2-
C2+
C1-
V+
C1+
V
CC
GND
DIP/SO
V+
V-
8
C1+
C1-
C2+
1.0
μ
F
1.0
μ
F
1.0
μ
F
7
9
10
11
4
3
13
14
12
1
3
16
15
T1
IN
T3
IN
T2
IN
T4
IN
T1
OUT
T3
OUT
T2
OUT
T4
OUT
+5V INPUT
C2-
RS-232
OUTPUTS
TTL/CMOS
INPUTS
GND
5
+5V
+5V
+10V TO -10V
VOLTAGE INVERTER
V
CC
+5V TO +10V
VOLTAGE DOUBLER
6
+5V
+5V
400k
400k
400k
400k
1.0
μ
F
1.0
μ
F
T1
T2
T4
T3
TOP VIEW
Figure 12. MAX234 Pin Configuration and Typical Operating Circuit
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