Treasure Link Technology Ltd.
TL2272-97 38 Decoder with Direct Setting Doorbell
The main application area for the TL2272-97 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.
● Operating voltage: 2.4V~5.0V
● 2 channel dual tone generator
● On chip RC oscillator
● Current type D/A output
● TL2262 encoder pair with
● Provided direct key setting audio output
● Tone optional :
1. Ding-Dong Ding-Dong
2. Ding-Ding Ding-Ding
3. Westminster Tunes
4. For Alice
● 18-pin DIP package
A1 -------- A7
* All specs and applications shown above subject to change without prior notice.
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