UBA1702 Datasheet (NXP) - Line interrupter driver and ringer

UBA1702, Line interrupter driver and ringer

The UBA1702; UBA1702A performs the high voltage interface and ringer functions of the corded analog telephone set in close cooperation with a microcontroller and transmission circuit.

The UBA1702; UBA1702A incorporates several protections, a driver for the line interrupter and a ringer.

Because of t

UBA1702 Features

* Speech part

* Driver for the line interrupter that can be either a PMOST when UBA1702 is used or a PNP when UBA1702A is used

* Adjustable over-current protection

* Adjustable over-voltage protection for transmission circuit

* Adjustable mute (dialling mode voltage; DM