Datasheet

MAX232E
SLLS723B –APRIL 2006–REVISED NOVEMBER 2009 www.ti.com
DRIVER SECTION
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Electrical Characteristics
(1)
over recommended ranges of supply voltage and operating free-air temperature range
PARAMETER TEST CONDITIONS MIN TYP
(2)
MAX UNIT
V
OH
High-level output voltage DOUT R
L
= 3 kΩ to GND 5 7 V
V
OL
Low-level output voltage
(3)
DOUT R
L
= 3 kΩ to GND –7 –5 V
r
o
Output resistance DOUT V
S+
= V
S–
= 0, V
O
= ±2 V 300 Ω
I
OS
Short-circuit output current DOUT V
CC
= 5.5 V, V
O
= 0 ±10 mA
(4)
I
IS
Short-circuit input current DIN V
I
= 0 200 μA
(1) Test conditions are C1–C4 = 1 μF at V
CC
= 5 V ± 0.5 V.
(2) All typical values are at V
CC
= 5 V and T
A
= 25°C.
(3) The algebraic convention, in which the least-positive (most negative) value is designated minimum, is used in this data sheet for logic
voltage levels only.
(4) Not more than one output should be shorted at a time.
Switching Characteristics
(1)
V
CC
= 5 V, T
A
= 25°C (see Note 4)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
SR Driver slew rate R
L
= 3 kΩ to 7 kΩ, See Figure 2 30 V/μs
SR(t) Driver transition region slew rate See Figure 3 3 V/μs
Data rate One DOUT switching 250 kbit/s
(1) Test conditions are C1–C4 = 1 μF at V
CC
= 5 V ± 0.5 V.
ESD protection
PARAMETER TEST CONDITIONS TYP UNIT
HBM ±15 kV
DOUT, RIN IEC61000-4-2, Air-Gap Discharge ±15 kV
IEC61000-4-2, Contact Discharge ±8 kV
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