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MAX3209E Datasheet(PDF) 3 Page - Maxim Integrated Products

Part No. MAX3209E
Description  ±15kV ESD-Protected, 12V, Dual RS-232 Serial Port with Low-Power Standby for Motherboards/Desktops
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Maker  MAXIM [Maxim Integrated Products]
Homepage  http://www.maxim-ic.com
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MAX3209E Datasheet(HTML) 3 Page - Maxim Integrated Products

   
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±15kV ESD-Protected, 12V, Dual RS-232 Serial Port
with Low-Power Standby for Motherboards/Desktops
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS (continued)
(VDD = +10.8V to +13.2V, VSTBY = +3V to +5.5V, C1 = C2 = 0.1µF, TA = TMIN to TMAX, unless otherwise noted. Typical values are at
TA = +25°C, VDD = +12V, VSTBY = +3.3V.)
CL = 1000pF
IEC 1000-4-2 (Contact Discharge)
1
Human Body Model
tPHLT
µs
SR
Transmitter Output Propagation
Delay, High to Low
V/µs
Transmitter Output Slew Rate
IEC 1000-4-2 (Air-Gap Discharge)
CL = 150pF
0.4
1
CONDITIONS
tPHLR
µs
RL = 3kΩ to 7kΩ, CL = 50pF to 1000pF,
two transmitters switching
Receiver Output Propagation
Delay, High to Low
460
DR
kbps
Guaranteed Data Rate
±8
±15
612
30
RL = 3kΩ to 7kΩ, VSTBY = 3.3V,
CL = 50pF to 1000pF, TA = +25°C,
measured from +3V to -3V or -3V to +3V
kV
±15
ESD Protection
UNITS
MIN
TYP
MAX
SYMBOL
PARAMETER
CL = 1000pF
1
tPLHT
µs
Transmitter Output Propagation
Delay, Low to High
T1IN = T2IN = GND, T3IN = VCC,
T3OUT loaded with 3k
Ω to GND, T1OUT and
T2OUT loaded with 2.5mA each
+6
-5
V
Mouse Driveability
CL = 150pF
0.4
1
tPLHR
µs
Receiver Output Propagation
Delay, Low to High
ESD CHARACTERISTICS
TRANSMITTER TIMING CHARACTERISTICS (Figure 1)
RECEIVER TIMING CHARACTERISTICS
Typical Operating Characteristics
(VSTBY = +5V, VDD = +12V, C1 = C2 = 0.1µF, TA = +25°C, unless otherwise noted.)
0
15
10
5
20
25
30
0
2000
1000
3000
4000
5000
SUPPLY CURRENT
vs. LOAD CAPACITANCE
LOAD CAPACITANCE (pF)
120kbps
240kbps
460kbps
2 TRANSMITTERS AT DATA RATE
4 TRANSMITTERS AT 1/16 DATA RATE
3k
Ω + CL
5
15
10
25
20
30
35
10.8
12.0
11.4
12.6
13.2
SUPPLY CURRENT vs. SUPPLY VOLTAGE
SUPPLY VOLTAGE (V)
460kbps
240kbps
120kbps
C1 = C2 = 0.1
µF
2 TRANSMITTERS AT DATA RATE
4 TRANSMITTERS AT 1/16 DATA RATE
ALL TRANSMITTERS AT 3k
Ω + 1000pF


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