TDA7294 audio power amplifier HI-FI set successful release circuit

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DMOS high-power integration TDA7294 is a famous European SGS-THOMSON Italian microelectronics company recently launched a very interesting product in mainland China, sweeping the success of the linear set successfully and thick film set, cold, hard sound, widely Used in HI-FI fields such as home theaters, powered speakers. The device is a 15-pin package with the same shape as shown above. The function of each end pin is as follows: 1. The foot is the bootstrap end; 2. The foot is the inverting input terminal; 3. The foot is the positive phase input terminal; 4. The foot is grounded; the 5, 11 and 12 feet are the empty feet; For the bootstrap terminal; 7, the foot is +VO (signal processing part); 8, the foot is -V5 (signal processing part); 9, the foot is the standby end; 10, the foot is the silent end; 13, the foot is +V ( The last stage); 14, the foot is the output; 15, the foot is -V (the last level).