3W Mono Filterless Class-D Audio Power Amplifier, EUA2011 Replace TPA2011D1.
EUA2011
EUA2011.pdf
EUA2011.pdfFEATURES
? Unique Modulation Scheme Reduces EMI Emissions
? Efficiency at 3.6V With an 8-? Speaker:
? 88% at 400 mW
? 80% at 100 mW
? Low 2.4-mA Quiescent Current and 0.5-μA Shutdown
Current
? 2.5V to 5.5V Wide Supply Voltage
? Shutdown Pin Compatible with 1.8V Logic GPIO
? Optimized PWM Output Stage Eliminates
LC Output Filter
? Improved PSRR (?72 dB) Eliminates Need for a
Voltage Regulator
? Fully Differential Design Reduces RF Rectification
and Eliminates Bypass Capacitor
? Improved CMRR Eliminates Two Input
Coupling Capacitors
? Internally Generated 250-kHz Switching Frequency
? Integrated Pop and Click Suppression Circuitry
? 1.5mm× 1.5mm Wafer Chip Scale Package (WCSP)
and 3mm× 3mm TDFN-8 package
? RoHS compliant and 100% lead(Pb)-free
PIN CONFIGUTION
優(yōu)勢(shì)替代
FEATURES
? Powerful Mono Class-D Amplifier
? 3.24 W (4 Ω, 5 V, 10% THDN)
? 2.57 W (4 Ω, 5 V, 1% THDN)
? 1.80 W (8 Ω, 5 V, 10% THDN)
? 1.46 W (8 Ω, 5 V, 1% THDN)
? Integrated Feedback Resistor of 300 kΩ
? Integrated Image Reject Filter for DAC Noise
Reduction
? Low Output Noise of 20 μV
? Low Quiescent Current of 1.5 mA
? Auto Recovering Short-Circuit Protection
? Thermal Overload Protection
? 9-Ball, 1.21mm × 1.16 mm 0.4 mm Pitch DSBGA
PIN CONFIGUTION
