TDA7388, 4-channel BTL power amplifier IC. 1 - Heat sink, grounded;
2, 8, 18, 24 - Output grounding;
7, 9 - Output 1;
3, 5 - Output 2;
19, 17 - Output 3;
23, 21 - Output 4;
4 - Standby control;
6 - Power supply for channels 1 and 2;
20 - Power supply for channels 3 and 4;
11, 12, 15, 14 - are inputs 1, 2, 3, 4, respectively;
13 - Input place;
10 - switch machine to eliminate poof sound;
22 - Mute;
25 - Temperature detection;
16 - Internal voltage decoupling.
Single-row dual-row 25-pin package. The working voltage is 18V, the working current is 4.5A, and the maximum output power is 4x41W. When the power supply voltage is 14.4V, the total harmonic distortion is 10%, and the load is 4 Ohm, the rated output of each channel is 26W.
Single-row dual-row 25-pin package. The working voltage is 18V, the working current is 4.5A, and the maximum output power is 4x41W. When the power supply voltage is 14.4V, the total harmonic distortion is 10%, and the load is 4 Ohm, the rated output of each channel is 26W.