HT2811 Datasheet – Ding Dong Door Bell – Holtek

This post explains for the CMOS LSI Chip.

The Part Number is HT2811.

The function of this semiconductor is Ding Dong Door Bell.

Manufacturer: Holtek

Preview images :

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HT2811 image


The HT2811 is a CMOS LSI chip specially designed for the application of ding-dong door bell. It requir very low nombers of external component and provide low cost, high quality dual tone ding-dong sound. The IC is very suitable for door bell application. […]

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1. CMOS metal gate process

2. Low stand-by current : 1μA typically at VDD=3V

3. Good sound quality. (dual tone)

4. envelop adjustable by external RC

HT2811 Datasheet

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