Datasheet Details
| Part number | PBL38573 |
|---|---|
| Manufacturer | Ericsson |
| File Size | 324.00 KB |
| Description | Speech Circuit for constant current feeding systems |
| Datasheet |
 PBL38573 Datasheet
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General Description
PBL 38573 is a monolithic integrated speech transmission circuit for use in electronic telephones.
It is intended specially for telephone lines with constant current feed.
Maximum line current less than 130 mA in DIL package (100 mA in SO package).
Key Features
- Minimum number of external components for function,with one filtered DC-supply. 6 capacitors and 10 resistors. Easy adaption to various market needs. Mute control input for operation with DTMF - generator. Transmitter and receiver gain regulation for automatic loop loss compensation. Disconnectable. Extended current and voltage range 5 - 130mA (DIP), down to 2 V. Differential microphone input for good balance to ground. Balanced receiver output stage. Stabilized DC - supply for low cu.