TPA6043A4
FEATURES
- 23 Microsoft™ Windows Vista™ pliant
- Fully Differential Architecture and High PSRR
Provide Excellent RF Rectification Immunity
- 2-W, 10% THD+N Into 4-Ω Speakers and 85-m W, 1% THD+N Into 16-Ω Headphones From 5-V Supply
- Direct Path™ Headphone Amplifier Eliminates Output Capacitors (1)
- Internal 4-Step Speaker Gain Control: 6, 10, 15.6, 21.6 d B and Fixed
- 1.5-V/V Headphone
- 3.3-V Low Dropout Regulator for CODEC
- Independent Shutdown Controls for Speaker,
Headphone Amplifier, and Low Dropout Regulator (LDO)
- Output Short-Circuit and Thermal Protection
DESCRIPTION
The TPA6043A4 is a stereo audio power amplifier and Direct Path™ headphone amplifier in a thermally enhanced, space-saving, 32-pin QFN package. The speaker amplifier is capable of driving 2 W per channel continuously into 4-Ω loads at 5 V. The headphone amplifier achieves a minimum of 85 m W at 1% THD+N from a 5-V supply. A built-in internal 4-step gain control for the speaker amplifier and a fixed
- 1.5 V/V gain...
