GENERAL DESCRIPTION

This is a new version of Call Waiting service decoder on the telephone. Call Waiting service works by alerting a customer engaged in a telephone call to a new incoming call. This way the customer can still receive important calls while engaged in a current call. The Call Waiting decoder can detect dual tone (2130Hz and 2750Hz) alert signal and generate a valid signal on the data pins for micro controller.

FEATURES

• Compatible with Bellcore special report SR-TSV-002476

• 3.6V ~ 6.0V supply voltage

• Call-Waiting (2130Hz plus 2750Hz) Alert Signal Detector

• Good talkdown and talkoff performance

• Sensitivity compensated by adjusting input OP gain

• Package series --- 14-pin DIP or 16-pin SOP (150 mil)

AG8889AP for 14-pin DIP

AG8889N for 16-pin SOP (150 mil)

APPLICATION

• Feature phones

• Cordless phones

• Adjunct unit (stand alone)