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-Ω 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
CROSS
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
