MAX240CMH-T Maxim Integrated, MAX240CMH-T Datasheet - Page 3

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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
ELECTRICAL CHARACTERISTICS—MAX220/222/232A/233A/242/243 (continued)
(V
RS-232 Input Hysteresis
RS-232 Input Resistance
TTL/CMOS Output Voltage Low
TTL/CMOS Output Voltage High
TTL/CMOS Output Short-Circuit Current
TTL/CMOS Output Leakage Current
EN Input Threshold Low
EN Input Threshold High
Supply Voltage Range
V
Figures 5, 6, 11, 19
Shutdown Supply Current
Transition Slew Rate
Transmitter Propagation Delay TLL to
RS-232 (Normal Operation)
CC
CC
Supply Current (V
= +5V ±10%, C1–C4 = 0.1µF‚ MAX220, C1 = 0.047µF, C2–C4 = 0.33µF, T
Input Leakage Current
Threshold Low
Threshold High
PARAMETER
= V
CC
),
+5V-Powered, Multichannel RS-232
All except MAX220/MAX243, V
hysteresis in shutdown
MAX220
MAX243
T
I
I
I
Sourcing V
Sinking V
V
MAX222), 0V
MAX242
MAX242
No load
3k
both inputs
MAX222/
MAX242
MAX222/MAX242
MAX222/MAX242
MAX222/MAX242
C
R
V
+25°C, measured
from +3V to -3V or
-3V to +3V
t
t
OUT
OUT
OUT
PHLT
PLHT
A
CC
L
L
= 50pF to 2500pF,
= +25°C (MAX220)
= 3k
= +5V, T
load
= 3.2mA
= 1.6mA (MAX220)
= -1.0mA
, Figure 1
, Figure 1
= V
OUT
to 7k ,
CC
OUT
A
or V
= V
=
= V
V
MAX220
MAX222/MAX232A/MAX233A/
MAX242/MAX243
MAX220
MAX222/MAX232A/MAX233A/
MAX242/MAX243
T
T
T
T
OUT
A
A
A
A
CC
CONDITIONS
GND
= +25°C
= 0°C to +70°C
= -40°C to +85°C
= -55°C to +125°C
= V
MAX222/MAX232A/
MAX233/MAX242/MAX243
MAX220
MAX222/MAX232A/
MAX233/MAX242/MAX243
MAX220
MAX222/MAX232A/
MAX233/MAX242/MAX243
MAX220
V
CC
CC
(V
CC
= +5V, no
= 0V for
A
= T
MAX220–MAX249
MAX220–MAX249
Drivers/Receivers
MIN
to T
MAX
MIN
‚ unless otherwise noted.) (Note 3)
0.2
3.5
2.0
4.5
2.0
1.5
10
-2
3
3
6
±0.05
V
TYP
-10
0.5
0.3
0.2
CC
1.4
1.4
0.5
0.1
1.4
1.4
1.3
1.5
30
12
15
35
12
1
5
5
4
2
2
3
4
5
- 0.2
MAX
30.0
±10
100
1.0
0.4
0.4
0.8
5.5
0.8
3.5
3.5
±1
10
10
50
50
30
10
10
7
7
2
UNITS
V/μs
mA
mA
k
μA
μA
μA
μs
V
V
V
V
V
V
V
V
3