BA3521 it's not expensive integrated circuit which is a two-channel audio amplifier. Electronic harness BA3521 chip to build the sound frequency amplifier is shown in figure. This concept is very simple and the strength to even novice hams. This low-power amplifier is the perfect solution to build a computer speaker system, Tablet, mobile phone, etc. the amplifier power Range -3.6 1.8 in, for example, from the USB port on your computer, or from ordinary AA and AAA.Forced cooling BA3521 chips provide not necessary.
The main technical characteristics of IC UMZCh BA3521 are presented in the table.
Chip |
Chassis |
in theImin |
in theIP |
PccP |
RI |
II0 |
IccP |
Bin |
Rin |
Gin |
BA3521 | DIP18 | 1.8 V | 3, 6V | 2x69mW | 16Ω | 9mA | – | 20Hz-20KHz | – | – |