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| LA8518NM Datasheet, PDF (11/31 Pages) Sanyo Semicon Device – Signal Processor for Cordless Telephone Base Sets | |||
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Pin Functions
Pin No.
64
1
2
Pin Name
VL
TOI
TOO
LA8518NM
Internal Equivalent Circuit
Pin Function
c Line current input pin, line voltage pin.
c Transmitting output current input pin.
c Transmitting output current output pin.
3
BN1
4
BN2
5
GND (SP)
6
RI IN
7
RI OUT
c BN switch pin 1.
c BN switch pin 2. Connect when there are two
balancing network circuits. Open when not
used.
c Speech network system GND pin.
c Receiving input amplifier â input pin.
c Receiving input amplifier output pin.
8
HAND NF
9
HAND MONI
c Handset amplifier â input pin.
c Handset amplifier output pin.
10
RF1 IN
11
RF2 IN
13
AUX IN
12
DOOR IN
c Compander 1 input pin.
c Compander 2 input pin.
c Unused input pin.
c Amplifier input pin for interphone.
Because there is a feedback resistor
(30 kâ¦) on chip, the input is passed
through an external resistor.
Continued on next page.
No.5421-11/31
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