LA8518NM Datasheet, PDF (12/31 Pages) Sanyo Semicon Device – Signal Processor for Cordless Telephone Base Sets

Continued from preceding page.
Pin No.
14
Pin Name
LINE OUT
LA8518NM
Internal Equivalent Circuit
Pin Function
c Line output pin.
15
RF1 OUT
16
RE2 OUT
17
DOOR OUT
18
AUX OUT
19
GND
20
BIAS/GAIN
21
HEAD
22
PB NF
24
PRE NF
23
PB OUT
25
PRE OUT
35
MIC OUT
26
ALC IN
c Compander 1 input pin.
c Compander 2 input pin.
c Interphone output pin.
c Auxiliary output pin.
c Signal processing system GND.
c Bias pin. The REC amplifier gain and the
REC bias gain can be controlled by an
external resistor.
c REC amplifier output pin and PB amplifier +
input pin.
c PB amplifier − input pin.
c PRE amplifier − input pin.
c PB amplifier output pin.
c PRE amplifier output pin.
c MIC amplifier output pin
c ALC input pin. Input from the PRE output (pin
25) via a coupling capacitor. In addition, the
ALC level can be adjusted by connecting
resistors in series.
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No.5421-12/31