MAX202E(2005) Просмотр технического описания (PDF) - Maxim Integrated

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MAX202E
(Rev.:2005)

±15kV ESD-Protected, +5V RS-232 Transceivers

Maxim Integrated 

±15kV ESD-Protected, +5V RS-232 Transceivers

____________________________Typical Operating Characteristics (continued)

(Typical Operating Circuits, VCC = +5V, TA = +25°C, unless otherwise noted.)

MAX202E/MAX203E/MAX232E

TRANSMITTER SLEW RATE

vs. LOAD CAPACITANCE

14

ALL TRANSMITTERS LOADED

DATA RATE = 120kbps

12

RL = 3kΩ

10

8

-SLEW RATE

6

+SLEW RATE

4

2

0 1000 2000 3000 4000 5000

LOAD CAPACITANCE (pF)

MAX205E–MAX208E

TRANSMITTER OUTPUT VOLTAGE

vs. LOAD CAPACITANCE

7.5

20kbps

5.0

120kbps

240kbps

2.5

VCC = +4.5V, RL = 3kΩ

0 1 TRANSMITTER AT FULL DATA RATE

4 TRANSMITTERS AT 1/8 DATA RATE

-2.5

-5.0

-7.5

0

240kbps

120kbps

20kbps

1000 2000 3000 4000 5000

LOAD CAPACITANCE (pF)

MAX205E–MAX208E

TRANSMITTER SLEW RATE

vs. LOAD CAPACITANCE

20

18

VCC = +4.5V, RL = 3kΩ

1 TRANSMITTER AT FULL DATA RATE

16

4 TRANSMITTERS AT 1/8 DATA RATE

14

12

RISE

10

FALL

8

6

4

2

0

0 1000 2000 3000 4000 5000

LOAD CAPACITANCE (pF)

MAX205E–MAX208E

SUPPLY CURRENT

vs. LOAD CAPACITANCE

50

240kbps

45

40

120kbps

35

30

20kbps

25 VCC = +4.5V, RL = 3kΩ

1 TRANSMITTER AT FULL DATA RATE

4 TRANSMITTERS AT 1/8 DATA RATE

20

0 1000 2000 3000 4000 5000

LOAD CAPACITANCE (pF)

MAX205E–MAX208E

OUTPUT VOLTAGE vs. DATA RATE

10.0

V+

7.5

5.0

VOUT+

2.5

VCC = +4.5V, RL = 3kΩ

0

1 TRANSMITTER AT FULL DATA RATE

4 TRANSMITTERS AT 1/8 DATA RATE

-2.5

-5.0

VOUT-

-7.5

-10.0

0

V-

30 60 90 120 150 180 210 240

DATA RATE (kbps)

_______________________________________________________________________________________ 5

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