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MAX3186EWP

±15kV ESD-Protected, EMC-Compliant, 230kbps RS-232 Serial Port for Modems

Maxim Integrated 

±15kV ESD-Protected, EMC-Compliant, 230kbps

RS-232 Serial Port for Modems

__________________________________________Typical Operating Characteristics

(VCC = +5.0V, VDD = +12.0V, VSS = -12.0V, TA = +25°C, unless otherwise noted.)

SUPPLY CURRENT

vs. SUPPLY VOLTAGE

25

IDD, 240kbps

20

15 IDD, 120kbps

10 IDD, 20kbps

5

ICC

1 TRANSMITTER AT DATA RATE

4 TRANSMITTERS AT DATA RATE / 16

0

3kΩ + 2500pF LOAD

-5 ISS, 20kbps

-10 ISS, 120kbps

-15 ISS, 240kbps

-20

-25

10.80 11.40 12.0

12.6

13.2

SUPPLY VOLTAGE (V)

SUPPLY CURRENT

vs. LOAD CAPACITANCE

25

20 IDD, 240kbps

15 IDD, 120kbps

10

IDD, 20kbps

5 ICC

1 TRANSMITTER AT DATA RATE

4 TRANSMITTERS AT DATA RATE / 16

0

3kΩ + CL LOAD

-5 ISS, 20kbps

-10

ISS, 120kbps

-15

ISS, 240kbps

-20

-25

0

1000 2000 3000 4000 5000

LOAD CAPACITANCE (pF)

SLEW RATE

vs. LOAD CAPACITANCE

16

14

12

10

FALL

8

RISE

6

4 1 TRANSMITTER 240kbps

4 TRANSMITTERS 15kbps

2 3kΩ + CL LOAD

0

0 1000 2000 3000 4000 5000

LOAD CAPACITANCE (pF)

TRANSMITTER OUTPUT VOLTAGE

vs. LOAD CAPACITANCE

12.5

120kbps

10.0

7.5

240kbps

5.0

1 TRANSMITTER AT DATA RATE

2.5 4 TRANSMITTERS AT DATA RATE / 16

0 3kΩ + CL LOAD

-2.5

-5.0

-7.5

-10.0

240kbps

120kbps

-12.5

0

1000 2000 3000 4000 5000

LOAD CAPACITANCE (pF)

TRANSMITTER OUTPUT VOLTAGE

vs. LOAD CURRENT PER TRANSMITTER

15

10

5

T1

0

T2

-5

VCC

T3

-10

VOUT+

VOUT-

VOUT+

VOUT-

-15

0 2 4 6 8 10 12 14 16 18

LOAD CURRENT PER TRANSMITTER (pF)

SLEW RATE

vs. TEMPERATURE

25

20

FALL, 500pF

15

RISE, 500pF

10

RISE, 2000pF

5

FALL, 2000pF

0

-55 -35 -15 5 25 45 65 85 105 125

TEMPERATURE (°C)

4 _______________________________________________________________________________________

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