MAX240CMH-T Maxim Integrated, MAX240CMH-T Datasheet - Page 25

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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 16. MAX238 Pin Configuration and Typical Operating Circuit
TOP VIEW
R2OUT
R1OUT
T2OUT
T1OUT
R2IN
R1IN
T1IN
GND
V
C1+
C1-
V+
CC
10
11
12
1
2
3
4
5
6
7
8
9
+
MAX238
DIP/SO
+5V-Powered, Multichannel RS-232
24
23
22
21
20
19
18
17
16
15
14
13
T3OUT
R3IN
R3OUT
T4IN
R4IN
V-
C2-
C2+
T4OUT
T3IN
T2IN
R4OUT
TTL/CMOS
TTL/CMOS
OUTPUTS
INPUTS
1.0μF
1.0μF
10
12
13
14
18
19
21
22
17
5 T1IN
6
4
C1+
C1-
C2+
C2-
T2IN
T3IN
T4IN
R1OUT
R2OUT
R3OUT
R4OUT
+5V
+5V
+5V
+5V
MAX220–MAX249
MAX220–MAX249
1.0μF
VOLTAGE INVERTER
VOLTAGE DOUBLER
Drivers/Receivers
+10V TO -10V
400kΩ
400kΩ
400kΩ
400kΩ
+5V TO +10V
+5V INPUT
GND
V
T4
T1
T2
T3
R1
R2
R3
R4
CC
8
9
5kΩ
5kΩ
5kΩ
5kΩ
T1OUT
T2OUT
T3OUT 24
T4OUT
R1IN
R2IN
R3IN
R4IN
V+
V-
2
1
20
7
3
23
16
11
15
1.0μF
1.0μF
RS-232
OUTPUTS
RS-232
INPUTS
25