AN6152 Datasheet (Panasonic Semiconductor)

AN6152, Speech Network Circuit

Pin No.

1 2 3 4 5 6 7 8 GND 2V REG.

1V REG.

ATT control REC output REC output REC filter REC input Pin name Pin No.

9 10 11 12 13 14 15 16 Pin name KEY In TONE input Dial mute SW DTMF input MIC input Transmission filter SIDE tone LIN filter LIN s Absolute Maximum Ratings (Ta=25˚C) Parameter Line v

AN6152 Features

* Wide operating voltage range : 3 to 11.5V

* Built-in amplifiers for “Dial Tone” and “DTMF”

* Amplifier output switchable.

* Each amplifier gain automatically changeable depending on line current.

* Various types of microphones and receivers are available. 0