HT3221 Search Results

piezo bz1

Abstract: piezo amplifier driver 3780 "Piezo Speaker" Amplifier ht3221
Contextual Info: HT3220/HT3221 22 Key Paper Piano Features • • • • Operating voltage: 2.4V~ 5V Low stand-by current Auto power-off function 22 direct key inputs: – 13 full-scale keys and 9 chromatic scale keys for HT3220 • • • • – 22 full-scale keys for HT3221