U3761MB-T Datasheet (ATMEL Corporation)

U3761MB-T, Universal Telephone IC

Atmel’s low-voltage telephone circuit U3761MB-T performs all the speech and line interface functions required in an electronic telephone set, a tone ringer, a pulse and DTMF dialing with redial, notice function, and 13 memories.

Operation below 15 mA is possible with reduced performance.

Rev.

4744A

U3761MB-T Features

* Speech Circuit

* Adjustable DC Characteristic Symmetrical Input of Microphone Amplifier Receiving Amplifier for Dynamic or Piezo-electric Earpieces Automatic Line-loss Compensation Dialer