PBL3853 circuit equivalent, universal speech circuit.
* Low own current consumption
* Can operate both with active and passive impedance towards the line
* Derives a high current from the line for auxiliary funct.
* DTMF - confidence tone input
* Excellent RFI performance
1 9
PBL 3853
5 4 10 +V
-
+ 12
-
8
18
P
18-pin .
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