MAX232E Datasheet, PDF (6/16 Pages) Texas Instruments – DUAL RS-232 DRIVER/RECEIVER WITH IEC61000-4-2 PROTECTION

MAX232E
DUAL RS-232 DRIVER/RECEIVER
WITH IEC61000-4-2 PROTECTION
SLLS723 – APRIL 2006
www.ti.com
RECEIVER 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
V_OL Low-level output voltage⁽³⁾
V_IT+ Receiver positive-going input threshold voltage
VI_T– Receiver negative-going input threshold voltage
V_hys Input hysteresis voltage
r_i
Receiver input resistance
ROUT
ROUT
RIN
RIN
RIN
RIN
I_OH = –1 mA
I_OL = 3.2 mA
V_CC = 5 V,
V_CC = 5 V,
V_CC = 5 V
V_CC = 5 V,
T_A = 25°C
T_A = 25°C
T_A = 25°C
3.5
V
0.4
V
1.7 2.4
V
0.8 1.2
V
0.2 0.5
1
V
3
5
7 kΩ
(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.
Switching Characteristics⁽¹⁾
V_CC = 5 V, T_A = 25°C (see Figure 1)
PARAMETER
t_PLH(R)
t_PHL(R)
Receiver propagation delay time, low- to high-level output
Receiver propagation delay time, high- to low-level output
TYP UNIT
500 ns
500 ns
(1) Test conditions are C1–C4 = 1 µF at V_CC = 5 V ± 0.5 V.
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