MAX3243E
3-V TO 5.5-V MULTICHANNEL RS-232 LINE DRIVER/RECEIVER
WITH
±15-kV
IEC ESD PROTECTION
SLLS657A – APRIL 2005 – REVISED JUNE 2005
www.ti.com
DRIVER SECTION
Electrical Characteristics
(1)
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted) (see
PARAMETER
V
OH
V
OL
V
O
I
IH
I
IL
V
hys
I
OS
r
o
I
off
(1)
(2)
(3)
High-level output voltage
Low-level output voltage
Output voltage
(mouse driveability)
High-level input current
Low-level input current
Input hysteresis
Short-circuit output current
(3)
Output resistance
Output leakage current
V
CC
= 3.6 V,
V
CC
= 5.5 V,
V
CC
, V+, and V– = 0 V,
FORCEOFF = GND,
V
O
= 0 V
V
O
= 0 V
V
O
=
±2
V
V
O
=
±12
V,
V
CC
= 0 to 5.5 V
300
10M
±25
TEST CONDITIONS
All DOUT at R
L
= 3 kΩ to GND
All DOUT at R
L
= 3 kΩ to GND
DIN1 = DIN2 = GND, DIN3 = V
CC
, 3-kΩ to GND at DOUT3,
DOUT1 = DOUT2 = 2.5 mA
V
I
= V
CC
V
I
at GND
MIN TYP
(2)
MAX
5
–5
±5
±0.01
±0.01
±1
±1
±1
±60
5.4
–5.4
UNIT
V
V
V
µA
µA
V
mA
Ω
µA
Test conditions are C1–C4 = 0.1
µF
at V
CC
= 3.3 V
±
0.3 V; C1 = 0.047
µF,
C2–C4 = 0.33
µF
at V
CC
= 5 V
±
0.5 V.
All typical values are at V
CC
= 3.3 V or V
CC
= 5 V, and T
A
= 25°C.
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.
Switching Characteristics
(1)
switching characteristics over recommended ranges of supply voltage and operating free-air temperature (unless otherwise
noted) (see
PARAMETER
Maximum data rate
t
sk(p)
SR(tr)
(1)
(2)
(3)
Pulse skew
(3)
Slew rate, transition region
(see Figure 1)
TEST CONDITIONS
C
L
= 1000 pF,
One DOUT switching,
C
L
= 150 pF to 2500 pF,
V
CC
= 3.3 V,
R
L
= 3 kΩ to 7 kΩ,
PRR = 250 kbit/s
R
L
= 3 kΩ
See Figure 1
R
L
= 3 kΩ to 7 kΩ, See Figure 2
C
L
= 150 pF to 1000 pF
C
L
= 150 pF to 2500 pF
6
4
MIN TYP
(2)
250
500
100
30
30
V/µs
MAX
UNIT
kbit/s
ns
Test conditions are C1–C4 = 0.1
µF
at V
CC
= 3.3 V + 0.3 V; C1 = 0.047
µF,
C2–C4 = 0.33
µF
at V
CC
= 5 V
±
0.5 V.
All typical values are at V
CC
= 3.3 V or V
CC
= 5 V, and T
A
= 25°C.
Pulse skew is defined as |t
PLH
– t
PHL
| of each channel of the same device.
ESD Protection
PARAMETER
HBM
Driver outputs (pins 9–11)
IEC61000-4-2, Air-Gap Discharge
IEC61000-4-2, Contact Discharge
TEST CONDITIONS
TYP
±15
±15
±8
UNIT
kV
kV
kV
6
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