2.1-W/Channel Stereo Filter-Free Class-D Audio Power Amplifier, EUA2012A Replace TPA2012D2.
EUA2012A
EUA2012A.pdf
EUA2012A.pdfFEATURES
• Low EMI Emission
• Output Power By TQFN Package
- 2.5W/Ch Into 4Ω at 5V
- 1.6W/Ch Into 8Ω at 5V
- 800mW/Ch Into 8Ω at 3.6V
• Wide Supply Voltage: 2.5V to 5.5V
• Independent Shutdown Control for Each Channel
• Selectable Gain of 6,12,18 and 24 dB
• High PSRR :63dB at 217Hz
• Fast 34ms Startup Time
• Low 5mA Quiescent Current at 3.6V Supply and
1.5µA Shutdown Current
• Short-Circuit Auto-Recovery and Thermal Protection
• Space Saving Packages
- 4mm× 4mm TQFN-20 package
- 2mm× 2mm WCSP-16 package
- TSSOP-20 package
• RoHS Compliant and 100% Lead(Pb)-Free,
Halogen-Free
PIN CONFIGUTION
CROSS
FEATURES
• Output Power By Package:
– WQFN:
– 2.1 W/Ch Into 4 Ω at 5 V
– 1.4 W/Ch Into 8 Ω at 5 V
– 720 mW/Ch Into 8 Ω at 3.6 V
– DSBGA:
– 1.2 W/Ch Into 4 Ω at 5 V (Thermally Limited)
– 1.3 W/Ch Into 8 Ω at 5 V
– 720 mW/Ch Into 8 Ω at 3.6 V
• Only Two External Components Required
• Power Supply Range: 2.5 V to 5.5 V
• Independent Shutdown Control for Each Channel
• Selectable Gain of 6, 12, 18, and 24 dB
• Internal Pulldown Resistor on Shutdown Pins
• High PSRR: 77 dB at 217 Hz
• Fast Start-Up Time (3.5 ms)
• Low Supply Current
• Low Shutdown Current
• Short-Circuit and Thermal Protection
• Space-Saving Packages
– 2.01-mm × 2.01-mm NanoFree™ DSBGA (YZH)
– 4-mm × 4-mm Thin WQFN (RTJ) With PowerPAD™
PIN CONFIGUTION
