SP502 View Datasheet(PDF) - Signal Processing Technologies

Part Name

Description

Manufacturer

SP502

Multi–Mode Serial Transceiver

Signal Processing Technologies 

+5V, ±5%

1N5819

D1 and D2 are Schottky diodes. They

are necessary to guard against VCC

rates of rise greater than 1V/µs, which

D2

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.

can cause start–up problems.

22µF +

VDD

26 C1+

VCC

196Ω

422Ω

422Ω

16V

22µF +

16V

1N5819

30 C1–Charge

28

Pump

C2+

31 C2–

196Ω

196Ω

422Ω

196Ω

422Ω

422Ω

V.35 External

Driver Output

Termination Resistors

422Ω

+

D1

32 VSS

22µF, 16V

GND

SP502

1

1

1

0

Ext.

Latch

1

1

1

0

Driver

Decode

Receiver

Decode

47Ω

120Ω

47Ω

V.35 External

Receiver Input

Termination Resistors

47Ω

120Ω

47Ω

Figure 6. Typical Operating Circuit

Rev. 7/21/03

For NET2 certified circuits, please contact the factory.

SP502 Multi-Mode Serial Transceiver

11

© Copyright 2003 Sipex Corporation

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