AN6152

AN6150 Speech Network Circuit s Overview The AN6150 is an integrated circuit designed for telephone speech network. It has the basic function necessary to apply a sound signal onto the line and is applicable for various types of handsets. 19.2±0.3 1 2 3 4 5 6 7 8 6.2±0.3 5.2±0.25 16 15 14 13 12 11 10 9 1.1±0.25 3.05±0.25 2.54 + 0.1 5 0.0 Unit : mm 0.5±0.1 1.22±0.25 s 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. 0.3 – 3 to 15˚ 7.62±0.25 16-pin DIL Plastic Package (DIP016-P-0300D) s Block Diagram VL 16 VLC 15 ST 14 SF 13 MIC 12 DT 11 DM 10 KT 9 V-I Control SEND Main Amp. MIC PreAmp. ATT Logic DTMF PreAmp. ATT KT PreAmp. 2V REG 1V REG Current Check REC Main Amp. REC PreAmp. ATT 1 GND 2 V2 3 V1 4 AP 5 RO1 6 RO2 7 RF 8 RI s Pin Descriptions 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 voltage Line current Power dissipation (Ta=60˚C) Operating ambient temperature Storage temperature Symbol VL IL PD Topr Tstg Rating 14.4 135 1380 –30 to + 75 –55 to + 150 Unit V mA mW ˚C ˚C s Electrical C...