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PDF EUA2034DIR1 Data sheet ( Hoja de datos )
| Número de pieza | EUA2034DIR1 | |
| Descripción | 3-W/CH Stereo Filter-less Class-D Audio Power Amplifier | |
| Fabricantes | Eutech Microelectronics | |
| Logotipo |  |
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EUA2034
3-W/CH Stereo Filter-less Class-D
Audio Power Amplifier with Auto-Recovery
DESCRIPTION
The EUA2034 is a high efficiency, 3W/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, EUA2034 is capable of
delivering 3W/ channel of continuous output power to a
4Ω load with 10% THD+N.
The EUA2034 is available in space-saving SOP-16
package.
FEATURES
Unique Modulation Schema Reduces EMI Emissions
3W Output at 10% THD with a 4Ω Load and 5V
Power Supply
Low Quiescent Current and Shutdown Current
Low THD+N and Low Noise
Efficiency up to 87%
Short Circuit Protection with Auto-Recovery
Thermal Protection
Optimized PWM Output Stage Eliminates LC Output
Filter
Available in Space-Saving SOP-16 Package
RoHS Compliant and 100% Lead(Pb)-Free
Halogen-Free
Typical Application Circuit
APPLICATIONS
LCD Monitors / TV Projectors
Notebook Computers
Portable Speakers
Portable DVD Players, Game Machines
Cellular Phones/Speaker Phones
DS2034 Ver1.0 Jul. 2010
Figure1.
1
1 page  
EUA2034Tel: 0755-8398 3377 / 135 9011 2223 http://www.gofotech.com
Electrical Characteristics VDD=5V, Gain=24dB, RL=8Ω, TA = +25°C (Unless otherwise noted)
Symbol
Parameter
Conditions
EUA2034
Min Typ Max.
Unit
Cs Crosstalk
VDD=5V, PO=0.5W,
RL=8Ω,Gv=24dB
f=1kHz
-90 dB
SNR Signal-to-noise ratio
VDD=5V,Vorms=1V,
Gv=24dB
f=1kHz
80 dB
Vn Output noise
VDD=5V, Inputs ac-grounded A-weighting
with CIN=0.47µF
No A-weighting
100
130
µV
η Efficiency
RL=8Ω,THD=10%
RL=4Ω,THD=10%
f=1kHz
87
%
83
IQ Quiescent Current
VDD=5V
VDD=3.6V
No load
9.3
mA
8
IMUTE Mute current
VDD=5V
VDD=3.6V
3.8
mA
3.3
ISHDN Shutdown current
VDD=5V
VDD=3.6V
3 10
µA
1
fSW Switching Frequency VDD=5V
250 350 400 KHz
VOS Output offset Voltage VDD=5V
25 50 mV
RDSON
Static drain-source
on-state resistance
VDD=5V
NMOS
PMOS
200 350
mΩ
300 400
IIH
High-level input
current
IIL
Low-level input
current
VDD=5V
VI= VDD
VDD=5V
VI= 0V
1 µA
1 µA
DS2034 Ver1.0 Jul. 2010
5
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet EUA2034DIR1.PDF ] | |
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