PBL3853 Universal Speech Circuit

Ericsson

Description

May 1996 PBL 3853 Universal Speech Circuit .
The PBL 3853 is a biopolar integrated speech circuit with specific parameters making it highly suitable to be used as a line interface and speech circ.

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Datasheet Specifications

Part number: PBL3853
Manufacturer: Ericsson
File Size: 256.04 KB
Datasheet: PBL3853_Ericsson.pdf
Description: Universal Speech Circuit

Features

* Low own current consumption
* Can operate both with active and passive impedance towards the line
* Derives a high current from the line for auxiliary functions, 12 mA at 16 mA line current
* Separate mute inputs for transmitter and receiver (receiver cut off)

Applications

* DTMF - confidence tone input
* Excellent RFI performance 1 9 PBL 3853 5 4 10 +V - + 12 - 8 18 P 18-pin plastic DIP MA Rx 13 Tx B P B L 38 20-pin plastic SO + L 53 16 6 14 11 3 2 17 15 Figure 1. Block diagram. Pin numbers in all figures refer to DIP package. 38

PBL3853 Distributors

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PBL3853 Universal Speech Circuit Ericsson

Ericsson PBL3853-like datasheet