SP503 datasheet(5/28 Pages) EXAR

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SP503_101_101508

SP503 Multiprotocol Transceiver

V.35

47.0mA

48.8mA

47.3mA

54.5mA

104.2mA

100.9mA

RS-232

35.4mA

37.8mA

35.2mA

43.6mA

54.1mA

57.1mA

55.9mA

RS-422

25.8mA

31.4mA

25.8mA

27.5mA

140.2mA

135.9mA

145.2mA

RS-485

33.4mA

37.91mA

33.51mA

34.81mA

200.3mA

194.8mA

203.3mA

RS-449

37.8mA

40.3mA

41.1mA

42.9mA

142.3mA

138.8mA

147.4mA

EIA-530

45.2mA

48.1mA

44.4mA

50.3mA

148.9mA

145.7mA

147.3mA

+1.0mA

–0.6mA

+12V

+6V

–3V

–7V

1 Unit Load

Maximum Input Current

versus Voltage

RS-485 RECEIVER

+3.25mA

–3.25mA

+10V

+3V

–3V

–10V

Maximum Input Current

versus Voltage

RS-422 RECEIVER

+3.25mA

–3.25mA

+10V

+3V

–3V

–10V

Maximum Input Current

versus Voltage

RS-423 RECEIVER

RECEIVER INPUT GRAPHS

POWER MATRIX

Mode

Open Input Input to 5V Input to GND AC Signal Input to 5V Input to GND AC Signal

Conditions

to Input

with Load

With external termination resistor network;

Input @ 60kHz, Load is 3k

Ω & 2500pF for

RS-232 and 100ý for V.35

Input @ 60kHz

Load is 100

Ω for RS-422

450

Ω for RS-423

Input @ 60kHz

Load is 100

Ω for RS-422

450

Ω for RS-423

Input @ 2.5MHz

Load is 54

Ω.

Input @ 2.5MHz

Load is 100

Ω.

Input @ 60kHz

Load is 3k

Ω & 2500pF for RS-232.

Typical @ 25°C and V

cc = +5V unless otherwise noted. Input is applied to one driver.

SP503 Datasheet(PDF) 5 Page - Exar Corporation

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