DatasheetsPDF.com

HT3820

Holtek
Part Number HT3820
Manufacturer Holtek
Description 128 Note Melody Generator
Published Feb 3, 2014
Detailed Description HT3820 128 Note Melody Generator Features • • • • • Working voltage: 2.4V~5.0V 7 tempo options 2 "CHA" envelopes Normal...
Datasheet PDF File HT3820 PDF File

HT3820
HT3820

Overview
HT3820 128 Note Melody Generator Features • • • • • Working voltage: 2.
4V~5.
0V 7 tempo options 2 "CHA" envelopes Normal or octave higher option 4 operation modes • • • Extremely few external components Drive an 8Ω speaker through an NPN transistor 3-pin TO-92 or 16 DIP/SOP package General Description The HT3820 series are single-chip 128 note melody generators implemented in CMOS technology.
It can play a melody of 128 notes by trigger input or automatically when power is on.
Customers’ melody sources are programmed by changing a masking layer during device fabrication.
The HT3820 can play various musical effects: Chord, Broken Chord, "CHA" sound accompaniment.
The mask option can be made to accommodate various melodies, tempos, envelopes, and "CHA" sound duration (refer to the functional description).
The output driver can drive an 8Ω speaker through an external NPN transistor.
The HT3820 is an ultra-miniature device and almost no external components are required for normal applic...


Similar Datasheet


Since 2006. D4U Semicon,
Electronic Components Datasheet Search Site. (Privacy Policy & Contact)