Buy inexpensive, amplifier on chips the company TDA today can be in a wide range of choice in the radio markets. But for novices think it will be interesting to collect powerful audio amplifier chip TDA2025. Diagram of a simple UMZCh is shown in figure, it is very clear and does not contain expensive components. 
The main technical characteristics of IC UMZCh TDA2025 are presented in the table.
|
Chip |
Chassis |
in theImin |
in theIP |
PccP |
RI |
II0 |
IccP |
Bin |
Rin |
Gin |
| TDA2025 | SIP1-7 | 12V | 40V | 50W | 4Ω | 70mA | – | 20Hz-20KHz | – | – |
