MAX240CMH-T Maxim Integrated, MAX240CMH-T Datasheet - Page 27

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MAX240CMH-T

Manufacturer Part Number
MAX240CMH-T
Description
RS-232 Interface IC
Manufacturer
Maxim Integrated
Series
MAX220, MAX222, MAX223, MAX225, MAX230, MAX231, MAX232, MAX232A, MAX233, MAX233A, MAX234, MAX235, MAX236, MAX237, MAX238, MAX239, MAX240, MAX241, MAX242, MAX243, MAX244, MAX245, MAX246, MAX247, MAX248, MAX249r
Datasheet

Specifications of MAX240CMH-T

Data Rate
120 Kbps
Operating Supply Voltage
5 V
Supply Current
15 mA
Operating Temperature Range
0 C to + 70 C
Mounting Style
SMD/SMT
Function
Transceiver
Maximum Operating Temperature
+ 70 C
Minimum Operating Temperature
0 C
Number Of Drivers
5
Number Of I/os
20
Number Of Receivers
5
Propagation Delay Time Ns
10 us
Shutdown
Yes
Maxim Integrated
Figure 18. MAX240 Pin Configuration and Typical Operating Circuit
R2OUT
R1OUT
T2IN
T1IN
R1IN
GND
N.C.
N.C.
N.C.
N.C.
V
CC
TOP VIEW
12
13
14
15
16
17
18
19
20
21
22
Plastic FP
MAX240
+5V-Powered, Multichannel RS-232
+
44
43
42
41
40
39
38
37
36
35
34
N.C.
SHDN
EN
T5OUT
R4IN
R4OUT
T4IN
T3IN
R5OUT
R5IN
N.C.
TTL/CMOS
TTL/CMOS
OUTPUTS
INPUTS
1.0μF
1.0μF
27
29
13
39
36
42
25
28
15 T1IN
14
37
38 T4IN
16
3
2
C1+
C1-
C2+
C2-
EN
T2IN
T3IN
T5IN
R1OUT
R2OUT
R3OUT
R4OUT
R5OUT
MAX220–MAX249
MAX220–MAX249
Drivers/Receivers
+5V
+5V
+5V
+5V
+5V
1.0μF
VOLTAGE INVERTER
VOLTAGE DOUBLER
400kΩ
400kΩ
400kΩ
400kΩ
400kΩ
+5V TO +10V
+5V TO -10V
+5V INPUT
V
GND
CC
R1
R2
R3
R4
R5
19
T1
T2
T3
T4
T5
18
5kΩ
5kΩ
5kΩ
5kΩ
5kΩ
T1OUT
T2OUT
T3OUT
T4OUT
T5OUT
SHDN
R1IN
R2IN
R3IN
R4IN
R5IN
V+
V-
43
10
4
40
35
7
8
6
17
5
41
26
30
1.0μF
1.0μF
RS-232
OUTPUTS
RS-232
INPUTS
27