LA8518NM Ver la hoja de datos (PDF) - SANYO -> Panasonic

Número de pieza

componentes Descripción

Fabricante

LA8518NM

Signal Processor for Cordless Telephone Base Sets

SANYO -> Panasonic 

Continued from preceding page.

Pin No.

27

Pin Name

ALC CT

LA8518NM

Internal Equivalent Circuit

Pin Function

c ALC time constant adjustment pin. Adjusts

the ALC attack time and recovery time.

28

OGM IN

29

OGM OUT

30

VREF

31

VCC

32

VOX TH

36

VOX IN

33

MIC IN

34

MIC NF

37

VOX.C

c OGM amplifier − input pin.

c OGM amplifier output pin.

c Internal reference voltage output pin

(approx. 2.3 V).

c External power supply input pin. Supplies

power to the signal processing system and to

VSP (pin 62).

c VOX sensitivity adjustment pin. The VOX

sensitivity can be adjusted by connecting this

pin to pin 30 (VREF) through a resistor.

c VOX + input pin.

c MIC amplifier + input pin.

c MIC amplifier − input pin.

c VOX detection pin. Can also be used as a

waveform shaper by forcing this pin high.

Continued on next page.

No.5421-13/31

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