|
|
Partname: | U4089B-PFNY |
Description: | Multi-standard feature phone circuit with voice switch |
Manufacturer: | Atmel Corporation |
Datasheet: | PDF (636K). Click here to download *) |
The telephone circuit U4089B-P is a linear integrated circuit for use in feature phones, answering machines and fax machines. It contains the speech circuit, sidetone equivalent and ear protection rectifiers. The circuit is line-powered and contains all components necessary for the amplification of signals and adaptation to the line. An integrated voice switch with loudspeaker amplifier enables o pen-listening o r hands-free operation. With an anti-feedback function, acoustical feedback during open listening can be reduced significantly. The generated supply voltage is suitable for a wide range of peripheral circuits. |
|
Click here to download U4089B-PFNY Datasheet*) |
|
*)Datasheets downloading from ChipDocs is only for our members (paid service). REGISTER NOW for your membership. |
|
|
|