+5V-Powered, Multichannel
RS-232 Drivers/Receivers
MAX220–MAX249
Electrical Characteristics—MAX223/MAX230–MAX241 (continued)
(ꢄMAXX./X.1/X.X/X.ꢁ/X.6/X.4/X.8/Xꢁ1/Xꢁ±% V
= +5V ± ±10ꢆ ꢄMAX../ꢄMAX.5% V
= +5V ± 50F C±ꢀCꢁ = ±ꢂ1ꢃµꢆ
CC
CC
ꢄMAX.±/ꢄMAX.9% V
= +5V ±±10ꢆ V+ = +4ꢂ5V to +±.ꢂXVꢆ ꢅ = ꢅ
to ꢅ
ꢆ unless otherwise notedꢂ) (Note 5)
ꢄMA
CC
M
ꢄIN
PARAMETER
CONDITIONS
MIN
TYP
MAX UNITS
Normal operation
V
V
= +5V (ꢄMAXX.)
= 1V (ꢄMAX.5/X.6/Xꢁ1/Xꢁ±)
1ꢂ8
±ꢂX
SHDN
SHDN
ꢅ
V
= +X5°C%
M
RS-X.X Input Logic-Low Voltage
V
= +5V
CC
Shutdown (ꢄMAXX.)
V
V
= 1V%
= +5V (RꢁIN% R5IN)
1ꢂ6
±ꢂ5
±ꢂ4
±ꢂ5
SHDN
EN
Normal operation
V
V
= 5V (ꢄMAXX.)
= 1V (ꢄMAX.5/X.6/Xꢁ1/Xꢁ±)
Xꢂꢁ
SHDN
SHDN
ꢅ
V
= +X5°C%
M
RS-X.X Input Logic-High Voltage
V
= +5V
CC
Shutdown (ꢄMAXX.)
V
V
= 1V%
= +5V (RꢁINF R5IN)
Xꢂꢁ
SHDN
EN
RS-X.X Input Hysteresis
V
= +5V% no hysteresis in shutdown
= +5V
1ꢂX
.
1ꢂ5
5
±ꢂ1
4
V
kΩ
V
CC
RS-X.X Input Resistance
ꢅ
M
= +X5°C% V
CC
ꢅꢅL/CꢄOS Output Voltage Low
ꢅꢅL/CꢄOS Output Voltage High
I
I
= ±ꢂ6mM (ꢄMAX.±/X.X/X..% I = .ꢂXmM)
OUꢅ
1ꢂꢁ
OUꢅ
OUꢅ
= -±mM
.ꢂ5
V
- 1ꢂꢁ
V
CC
1V ≤ R
EN
≤ V ꢆ V = 1V (ꢄMAXX.)ꢆ
CC EN
OUꢅ
ꢅꢅL/CꢄOS Output Leakage Current
Receiver Output Enable ꢅime
±1ꢂ15
±±1
ꢃM
ns
V
= V
(ꢄMAX.5ꢀXꢁ±)
CC
ꢄMAXX.
611
ꢁ11
911
X51
1ꢂ5
ꢁ
Normal
operation
ꢄMAX.5/X.6/X.9/Xꢁ1/Xꢁ±
ꢄMAXX.
Normal
operation
Receiver Output Disable ꢅime
Propagation Delay
ns
ꢃs
ꢄMAX.5/X.6/X.9/Xꢁ1/Xꢁ±
Normal operation
±1
ꢁ1
ꢁ1
RS-X.X IN to
ꢅꢅL/CꢄOS OUꢅ%
C = ±51pµ
L
t
PHLS
PLHS
V
= 1V
SHDN
(ꢄMAXX.)
t
6
ꢄMAXX./ꢄMAX.1/ꢄMAX.ꢁꢀXꢁ±% ꢅ = +X5°C% V = +5V%
M
CC
R = .kΩ to 4kΩF C = 51pµ to X511pµ% measured from
.
5ꢂ±
ꢁ
.1
.1
L
L
+.V to -.V or -.V to +.V
ꢅransition Region Slew Rate
ꢅransmitter Output Resistance
V/ꢃs
ꢄMAX.±/ꢄMAX.X/ꢄMAX..% ꢅ = +X5°C% V
= +5V%
CC
M
R = .kΩ to 4kΩ% C = 51pµ to X511pµ% measured from
L
L
+.V to -.V or -.V to +.V
V
CC
= V+ = V- = 1V% V = ±XV
OUꢅ
.11
Ω
ꢅransmitter Output Short-Circuit
Current
±±1
mM
mM
Note 5: Mll units are production tested at hot except for the ꢄMAXꢁ1% which is production tested at ꢅ = +X5°Cꢂ Specifications over
M
temperature are guaranteed by designꢂ
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