Datasheet

MAX3209E
±15kV ESD-Protected, 12V, Dual RS-232 Serial Port
with Low-Power Standby for Motherboards/Desktops
4 _______________________________________________________________________________________
0
0.1
0.2
0.3
0.4
0.5
0.6
021 3456789
RECEIVER OUTPUT LOW VOLTAGE
vs. SINK CURRENT
MAX3209E-03
I
SINK
(mA)
RECEIVER OUTPUT LOW VOLTAGE (V)
0
1.5
1.0
0.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
0105 15202530
RECEIVER OUTPUT HIGH VOLTAGE
vs. SOURCE CURRENT
MAX3209E-04
I
SOURCE
(mA)
RECEIVER OUTPUT HIGH VOLTAGE (V)
0
15
10
5
20
25
30
0 20001000 3000 4000 5000
SUPPLY CURRENT
vs. LOAD CAPACITANCE
MAX3209E-02
LOAD CAPACITANCE (pF)
SUPPLY CURRENT (mA)
120kbps
240kbps
460kbps
2 TRANSMITTERS AT DATA RATE
4 TRANSMITTERS AT 1/16 DATA RATE
3kΩ + C
L
5
15
10
25
20
30
35
10.8 12.011.4 12.6 13.2
SUPPLY CURRENT vs. SUPPLY VOLTAGE
MAX3209E-01
SUPPLY VOLTAGE (V)
SUPPLY CURRENT (mA)
460kbps
240kbps
120kbps
C1 = C2 = 0.1µF
2 TRANSMITTERS AT DATA RATE
4 TRANSMITTERS AT 1/16 DATA RATE
ALL TRANSMITTERS AT 3kΩ + 1000pF
Typical Operating Characteristics
(V
STBY
= +5V, V
DD
= +12V, C1 = C2 = 0.1µF, T
A
= +25°C, unless otherwise noted.)