SP503 View Datasheet(PDF) - Signal Processing Technologies

Part Name

Description

Manufacturer

SP503

Multiprotocol Transceiver

Signal Processing Technologies 

+5V, ±5%

IN5819

22µF +

16V

22µF +

16V

22µF (VCC decoupling)

+

+

All VCC connections can be tied

together. Charge pump capacitors must

27 22µF, 16V 25

be placed as close to the package as

possible.

VDD

26 C1+

VCC

200Ω

232Ω

-5V

107Ω

30 C1–Charge

28

Pump

C2+

31 C2–

232Ω

200Ω

200Ω

232Ω

-5V

V.35 External

Driver Output

Termination Resistors

107Ω

232Ω

+

32 VSS GND

200Ω

22µF, 16V

SP503

1

1

1

0

Ext.

Latch

1

1

1

0

Driver

Decode

Receiver

Decode

200Ω

232Ω

-5V

107Ω

232Ω

200Ω

50Ω

120Ω

50Ω

V.35 External

Receiver Input

Termination Resistors

50Ω

120Ω

50Ω

50Ω

120Ω

50Ω

Note: An external voltage of -5V, ±5% is needed for the driver output termination resistors.

These V.35 termination resistors comply with all the parameters specified in CCITT

Recommendation V.35. For other termination configurations, please consult factory.

Figure 6. Typical Operating Circuit

Date: 7/29/04

SP503 Multiprotocol Transceiver

11

© Copyright 2004 Sipex Corporation

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