MAX240C-D 查看數據表（PDF） - Maxim Integrated
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MAX240C-D Datasheet PDF : 36 Pages
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+5V-Powered, Multichannel RS-232
Drivers/Receivers
TOP VIEW
T3OUT 1
T1OUT 2
T2OUT 3
R2IN 4
R2OUT 5
T2IN 6
T1IN 7
R1OUT 8
R1IN 9
GND 10
VCC 11
C1+ 12
V+ 13
C1- 14
MAX223
MAX241
Wide SO/
SSOP
28 T4OUT
27 R3IN
26 R3OUT
25 SHDN (SHDN)
24 EN (EN)
23 R4IN*
22 R4OUT*
21 T4IN
20 T3IN
19 R5OUT*
18 R5IN*
17 V-
16 C2-
15 C2+
*R4 AND R5 IN MAX223 REMAIN ACTIVE IN SHUTDOWN
NOTE: PIN LABELS IN ( ) ARE FOR MAX241
1.0µF
1.0µF
TTL/CMOS
INPUTS
+5V INPUT
1.0µF
12
C1+
14 C1-
15 C2+
16 C2-
11
VCC
+5V TO +10V
VOLTAGE DOUBLER
+10V TO -10V
VOLTAGE INVERTER
+5V
7 T1IN
400kΩ
T1
+5V
6 T2IN
+5V
400kΩ
T2
400kΩ
20 T3IN
T3
+5V
21 T4IN
400kΩ
T4
13
V+
V- 17
T1OUT 2
T2OUT 3
T3OUT 1
T4OUT 28
1.0µF
1.0µF
RS-232
OUTPUTS
8 R1OUT
5 R2OUT
LOGIC
OUTPUTS
26 R3OUT
22 R4OUT
19 R5OUT
24 EN (EN)
R1
R2
R3
R4
R5
GND
10
R1IN 9
5kΩ
R2IN 4
5kΩ
R3IN 27
5kΩ
R4IN 23
5kΩ
R5IN 18
5kΩ
SHDN 25
(SHDN)
RS-232
INPUTS
Figure 8. MAX223/MAX241 Pin Configuration and Typical Operating Circuit
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