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2 x 75 W Class-D Power Amplifier
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The TDA8922C is a high-efficiency Class D audio power amplifier. Typical output power is 2 x 75 W with a speaker load impedance of 6 Ω.
The TDA8922C is available in both HSOP24 and DBS23P power packages. The amplifier operates over a wide supply voltage range from +-12.5 V to +-32.5 V and features low quiescent current consumption.
製品詳細
Features
General Features
- Pin compatible with TDA8950/20C for both HSOP24 and DBS23P packages
- Symmetrical operating supply voltage range from +-12.5 V to +-32.5 V
- Stereo full differential inputs, can be used as stereo single-ended (SE) or mono bridge-tied load (BTL) amplifier
- Low noise
- Smooth pop noise-free start-up and switch off
- Zero dead time switching
- Fixed frequency
- Internal or external clock
- High efficiency
- Low quiescent current
- Advanced protection strategy: voltage protection and output current limiting
- Thermal foldback (TFB)
- Fixed gain of 30 dB in SE and 36 dB in BTL applications
- Fully short-circuit proof across load
- BD modulation in BTL configuration
High Output Power in Typical Applications
- SE 2 x 75 W, RL = 6 Ω (VDD = 30 V; VSS = -30 V)
- SE 2 x 60 W, RL = 8 Ω (VDD = 30 V; VSS = -30 V)
- BTL 1 x 155 W, RL = 8 Ω (VDD = 25 V; VSS = -25 V)
Target Applications
- DVD
- Mini and micro receiver
- Home theater in a box (HTIAB) system
- High-power speaker system
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