AD1990,pdf,datasheet 下载 (Class-D Audio Power Amplifie)-The AD199x ampli
The AD199x amplifiers, including the AD1990, AD1992, and AD1994, are single-chip devices containing an integrated stereo 鈭戔垎 modulator and stereo “bridge-tied” load (BTL) power stage. The AD199x amplifiers deliver audiophile sound quality (THD < 0.005 %; SNR > 101 dB; PSRR > 65 dB) with at least 50 % less heat than traditional linear amplifiers. The device鈥檚 breakthrough performance is achieved through the closed loop integration of a Sigma-Delta modulator with a bridge drive circuit and high power output stage. In addition to achieving superior audio performance, this novel 鈭戔垎 architecture minimizes radiated and conducted EMI and RF emissions.
Output Power
AD1990: 2 脳 5W
AD1992: 2 脳 10W
AD1994: 2 脳 25W (1 脳 50W)
Applications
- Automotive Amplifiers
- Flat Panel Televisions
- PC Audio Systems
- Mini Components
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