TDA8950 general description:
The TDA8950 is a high-efficiency Class D audio power amplifier. The typical output power is 2 × 150 W with a speaker load impedance of 4 Ω. The TDA8950 is available in both HSOP24 and DBS23P power packages. The amplifier operates over a wide supply voltage range from ±12.5 V to ±40 V and features low quiescent current consumption. TDA8950 Audio Amplifier 2x150W
TDA8950 features:
- Pin compatible with TDA8920B for both HSOP24 and DBS23P packages
- Symmetrical operating supply voltage range from ±12.5 V to ±40 V
- Stereo full differential inputs, can be used as stereo Single-Ended (SE) or mono
- Bridge-Tied Load (BTL) amplifier
- High output power in typical applications:
- SE 2 × 150 W, RL
- 4 Ω (VP = ±37 V)
- SE 2 × 170 W, RL
- 4 Ω (VP = ±39 V)
- SE 2 × 100 W, RL
- 6 Ω (VP = ±37 V)
- BTL 1 × 300 W, RL
- 8 Ω (VP = ±37 V)
- 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