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Eutech Microelectronics - 2.5-W/CH Stereo Filter-less Class-D Audio Power Amplifier

Numéro de référence EUA2012AHIR1
Description 2.5-W/CH Stereo Filter-less Class-D Audio Power Amplifier
Fabricant Eutech Microelectronics 
Logo Eutech Microelectronics 





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EUA2012AHIR1 fiche technique
EUA2012A
2.5-W/CH Stereo Filter-less Class-D
Audio Power Amplifier with Auto-Recovery
DESCRIPTION
The EUA2012A is a high efficiency, 2.5W/channel stereo
class-D audio power amplifier. A low noise, filterless
PWM architecture eliminates the output filter, requiring
only two external components for operation.
Operating from a single 5V supply, EUA2012A is capable
of delivering 2.5W/ channel of continuous output power to
a 4load with 10% THD+N.
The EUA2012A features independent shutdown controls
for each channel. The gain can be selected to 6, 12, 18, or
24 dB utilizing the G0 and G1 gain select pins. High PSRR
and differential architecture provide increased immunity to
noise and RF rectification.
The EUA2012A is available in space-saving WCSP,
TQFN and TSSOP packages, is an idea choice for mobile
phones and other portable communication devices.
FEATURES
Low EMI Emission
Output Power By TQFN Package
- 2.5W/Ch Into 4at 5V
- 1.6W/Ch Into 8at 5V
- 800mW/Ch Into 8at 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
Typical Application Circuit
APPLICATIONS
Wireless or Cellular Handsets and PDAs
Portable Audios
Notebook PC
DS2012A Ver 1.4 Feb. 2011
Figure1.
1

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