TL2272-95

Treasure Link Technology Ltd. Õ× Í¨ ¿Æ ¼ ÓÐ ÏÞ ¹« ˾ TL2272-95 TL2272-95 38 Decoder Doorbell GENERAL DESCRIPTION The main application area for the TL2272-95 device is for remote control doorbells working together with TL2262. Containing all the functions of the TL2272 decoder and melody generator, the device eliminates the need for customers to incorporate an external op-amp and melody generator IC within their product applications, in the process significantly reducing overall product costs. In addition to being fully compatible with the TL2272 circuitry, the device includes the following features; Internal 2 channel tone generator and current type audio output. FEATURES 1. Operating voltage: 2.4V~5.0V 2. 2 channel dual tone generator 3. On chip RC oscillator 4. Current type D/A output 5. TL2262 encoder pair with 6. Tone optional : D0 : Ding-Dong Ding-Dong D1 : Ding-Ding Ding-Ding D2 : Westminster Tunes D3 : For Alice 7. 16-pin DIP package BLOCK DIAGRAM OSC1 OSC2 Oscillator Divider Tone AUD TEST SI Buffer Comparat VDD VSS OPT Address Control TEST 1 A1 -------- A7 * All specs and applications shown above subject to change without prior notice. ( ÒÔÉÏëŠÂ·¼°Ž¸ñƒH¹©…¢¿ ,±¾¹«ËµÃÞŸÐÕý ) Ver 1.02 Page 1 of 3 Free Datasheet http://www.datasheet4u.com/ Treasure Link Technology Ltd. Õ× PIN ASSIGNMENT ͨ ¿Æ ¼ ÓÐ ÏÞ ¹« ˾ TL2272-95 TL2272-95 A0 A1 A2 A3 A4 A5 A6 A7 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 VDD TEST1 OSC2 OSC1 SI AUD TEST VSS PIN DESCRIPTION Pin No...