TPA6047A4
FEATURES
- 23 Microsoft™ Windows Vista™ pliant
- Fully Differential Architecture and High PSRR
Provide Excellent RF Rectification Immunity
- 2.1-W, 1% THD+N Into 4-Ω Speakers and 100-m W, 10% THD+N Into 16-Ω Headphones From 5-V Supply
- Direct Path™ Headphone Amplifier Eliminates Output Capacitors (1)
- Internal 4-Step Speaker Gain Control: 10, 12, 15.6, 21.6 d B and Fixed
- 1.5-V/V Headphone
- 4.75-V Low Dropout Regulator for CODEC
- Independent Shutdown Controls for Speaker,
Headphone Amplifier, and Low Dropout Regulator (LDO)
- Output Short-Circuit and Thermal Protection
APPLICATIONS
- Notebook puters
- Portable DVD
SIMPLIFIED APPLICATION CIRCUIT
CODEC VDD
SPKR HPR HPL SPKL
Shutdown Control
3 V
- 5.5 V
4.5 V
- 5.5 V Regulator Enable
SPKR_RIN+ SPKR_RIN-
SPKR_LIN+ SPKR_LIN-
ROUT+ ROUT-
LOUT+ LOUT-
SPVDD
BYPASS
SPGND
HP_EN
SPKR_EN HP_INR SGND
HP_INL HPVDD CPVDD VDD
GAIN0 GAIN1 OUTL
OUTR HPVSS CPVSS CPGND
C1P
REG_EN
C1N
REG_OUT...