EUA2014 Datasheet, PDF (1/1 Pages) Eutech Microelectronics Inc – 2.5W Stereo Class-D Audio Power Amplifier with 3D Enhancement

EUA2014
2.5W Stereo Class-D Audio Power Amplifier
with 3D Enhancement
DESCRIPTION
The EUA2014 is a high efficiency, 2.5W/channel stereo
class-D audio power amplifier. A low noise, filterless
PWM architecture eliminates the output filter.
Operating from a single 5V supply, EUA2014 is capable of
delivering 2.5W/ channel of continuous output power to a
4Ω load with 10% THD+N.
The EUA2014 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 EUA2014 also includes 3D audio enhancement that
improves stereo sound quality. In devices where the left
and right speakers are in close proximity, 3D enhancement
affects channel specialization, widening the perceived
soundstage.
The EUA2014 is available in space-saving TQFN package,
is an idea choice for mobile phones and other portable
communication devices.
FEATURES
z Unique Modulation Scheme Reduces EMI Emission
z Output Power By TQFN Package
- 2.5W/Ch Into 4Ω at 5V
- 1.5W/Ch Into 8Ω at 5V
- 750mW/Ch Into 8Ω at 3.6V
z Wide Supply Voltage: 2.5V to 5.5V
z Independent Shutdown Control for Each Channel
z Selectable Gain of 6,12,18 and 24 dB
z Internal Pulldown Resistor On Shutdown Pins
z High PSRR :70dB at 217Hz
z Fast 10ms Startup Time
z Low 4.7mA Quiescent Current at 3.6V Supply and
1.5µA Shutdown Current
z Short-Circuit and Thermal Protection
z 3D Enhancement
z Space Saving Packages
- 4mm × 4mm TQFN-24 package
z RoHS Compliant and 100% Lead(Pb)-Free
APPLICATIONS
Typical Application Circuit
z Wireless or Cellular Handsets and PDAs
z Portable Audios
z Notebook PC
DS2014 Ver 0.1 Feb. 2008
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