PBL38813 Voice-switched Speakerphone Circuit with built in loudspeaker amplifier

Ericsson

Description

January 1998 PBL 388 13 Voice-switched Speakerphone Circuit with built in loudspeaker amplifier .
The PBL 388 13 contains all the necessary circuitry, amplifiers, detectors, comparator and control functions to implement a high performance, voice-s.

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Datasheet Specifications

Part number: PBL38813
Manufacturer: Ericsson
File Size: 299.69 KB
Datasheet: PBL38813_Ericsson.pdf
Description: Voice-switched Speakerphone Circuit with built in loudspeaker amplifier

Features

* Minimum of external components needed for function. Selectable gain dynamics. (25 or 50 dB) Direct telephone line powered solution (patented). Low power consumption: ≈1mA at 3.3V (typical) for speech switching, audio power amplifier quiscent current ≈1mA. Drives an 25 - 50 ohm loudspeaker without a

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PBL38813 Voice-switched Speakerphone Circuit with built loudspeaker amplifier Ericsson

Ericsson PBL38813-like datasheet