SP3238EECA Ver la hoja de datos (PDF) - Signal Processing Technologies

Número de pieza

componentes Descripción

Fabricante

SP3238EECA

Intelligent +3.0V to +5.5V RS-232 Transceiver

Signal Processing Technologies 

RECEIVER +2.7V

RS-232 INPUT 0V

VOLTAGES -2.7V

VCC

STATUS

0V

+5V

DRIVER

RS-232 OUTPUT 0V

VOLTAGES

-5V

Figure 10. AUTO ON-LINE® Timing Waveforms

S

H

U

T

D

O

W

N

tSTSL

tSTSH

tONLINE

Figure 11. Charge Pump — Phase 1

VCC = +5V

+

C1 –

–5V

+5V

+

C2 –

–5V

C4

+ – VDD Storage Capacitor

– + VSS Storage Capacitor

C3

VCC = +5V

+

C1 –

Figure 12. Charge Pump — Phase 2

+

C2 –

–10V

C4

+ – VDD Storage Capacitor

– + VSS Storage Capacitor

C3

Date: 02/24/05

SP3238EE Intelligent +3.0V to +5.5V RS-232 Transceiver

11

© Copyright 2005 Sipex Corporation

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