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DRIVER SECTION
Switching Characteristics
(1)
ESD Protection
MAX3227E
3-V TO 5.5-V SINGLE-CHANNEL RS-232 LINE DRIVER/RECEIVER
WITH ± 15-kV IEC ESD PROTECTION
SLLS715A – FEBRUARY 2006 – REVISED JUNE 2007
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Electrical Characteristics
(1)
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)
(see Figure 1 and Figure 2 )
PARAMETER TEST CONDITIONS MIN TYP
(2)
MAX UNIT
V
OH
High-level output voltage DOUT at R
L
= 3 k Ω to GND, DIN = GND 5 5.4 V
V
OL
Low-level output voltage DOUT at R
L
= 3 k Ω to GND, DIN = V
CC
–5 –5.4 V
I
IH
High-level input current V
I
= V
CC
± 0.01 ± 1 μ A
I
IL
Low-level input current V
I
at GND ± 0.01 ± 1 μ A
V
CC
= 3.6 V, V
O
= 0 V ± 35 ± 60
I
OS
Short-circuit output current
(3)
mA
V
CC
= 5.5 V, V
O
= 0 V ± 35 ± 60
r
o
Output resistance V
CC
, V+, and V– = 0 V, V
O
= ± 2 V 300 10M Ω
I
off
Output leakage current FORCEOFF = GND, V
O
= ± 12 V, V
CC
= 0 to 5.5 V ± 25 μ A
(1) Test conditions are C1–C4 = 0.1 μ F at V
CC
= 3.3 V ± 0.3 V; C1 = 0.047 μ F, C2–C4 = 0.33 μ F at V
CC
= 5 V ± 0.5 V.
(2) All typical values are at V
CC
= 3.3 V or V
CC
= 5 V, and T
A
= 25 ° C.
(3) Short-circuit durations should be controlled to prevent exceeding the device absolute power dissipation ratings, and not more than one
output should be shorted at a time.
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)
(see Figure 1 and Figure 2 )
PARAMETER TEST CONDITIONS MIN TYP
(2)
MAX UNIT
C
L
= 1000 pF, R
L
= 3 k Ω ,
250
One DIN switching, See Figure 1
C
L
= 1000 pF, R
L
= 3 k Ω , One DIN switching,
Maximum data rate 1000 kbit/s
V
CC
= 4.5 V, See Figure 1
C
L
= 250 pF, R
L
= 3 k Ω , One DIN switching,
1000
V
CC
= 3 V, See Figure 1
t
sk(p)
Pulse skew
(3)
C
L
= 150 pF to 2500 pF, R
L
= 3 k Ω to 7 k Ω , See Figure 2 25 ns
Slew rate, V
CC
= 3.3 V, R
L
= 3 k Ω to 7 k Ω ,
SR(tr) 24 150 V/ μ s
transition region C
L
= 150 pF to 1000 pF, See Figure 1
(1) Test conditions are C1–C4 = 0.1 μ F at V
CC
= 3.3 V ± 0.3 V; C1 = 0.047 μ F, C2–C4 = 0.33 μ F at V
CC
= 5 V ± 0.5 V.
(2) All typical values are at V
CC
= 3.3 V or V
CC
= 5 V, and T
A
= 25 ° C.
(3) Pulse skew is defined as |t
PLH
– t
PHL
| of each channel of the same device.
TERMINAL
TEST CONDITIONS TYP UNIT
NAME NO.
Human-Body Model ± 15
DOUT 13 Contact Discharge (IEC61000-4-2) ± 8 kV
Air-Gap Discharge (IEC61000-4-2) ± 15
5
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