MAX240CMH-T Maxim Integrated, MAX240CMH-T Datasheet - Page 19

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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 8. MAX223/MAX241 Pin Configuration and Typical Operating Circuit
*R4 AND R5 IN MAX223 REMAIN ACTIVE IN SHUTDOWN.
NOTE: PIN LABELS IN ( ) ARE FOR MAX241.
TOP VIEW
T3OUT
T1OUT
T2OUT
R2OUT
R1OUT
R2IN
R1IN
T2IN
T1IN
GND
C1+
V
C1-
CC
V+
10
11
12
13
14
1
2
3
4
5
6
7
8
9
+
Wide SO/
MAX223
MAX241
SSOP
+5V-Powered, Multichannel RS-232
28
27
26
25
24
23
22
21
20
19
18
17
16
15
T4OUT
R3IN
R3OUT
SHDN (SHDN)
EN (EN)
R4IN*
R4OUT*
T4IN
T3IN
R5OUT*
R5IN*
V-
C2-
C2+
TTL/CMOS
OUTPUTS
INPUTS
LOGIC
1.0μF
1.0μF
12
14
15
16
20
21 T4IN
26
22
19
24
7 T1IN
6
8
5
C1+
C1-
C2+
C2-
EN (EN)
T2IN
T3IN
R1OUT
R2OUT
R3OUT
R4OUT
R5OUT
MAX220–MAX249
MAX220–MAX249
+5V
+5V
+5V
+5V
Drivers/Receivers
1.0μF
VOLTAGE DOUBLER
VOLTAGE INVERTER
400kΩ
400kΩ
400kΩ
400kΩ
+10V TO -10V
+5V TO +10V
+5V INPUT
V
GND
CC
R1
R2
R3
R4
R5
T1
T2
T3
T4
11
10
5kΩ
5kΩ
5kΩ
5kΩ
5kΩ
(SHDN)
T1OUT
T2OUT
T3OUT 1
T4OUT
SHDN
R1IN
R2IN
R3IN
R4IN
R5IN
V+
V-
13
17
2
3
28
9
4
27
23
18
25
1.0μF
1.0μF
RS-232
OUTPUTS
RS-232
INPUTS
19