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| LA8518NM Datasheet, PDF (13/31 Pages) Sanyo Semicon Device – Signal Processor for Cordless Telephone Base Sets | |||
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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 â 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 â 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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