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PDF EUA2105 Data sheet ( Hoja de datos )
| Número de pieza | EUA2105 | |
| Descripción | 5-W Stereo Class-D Audio Amplifier | |
| Fabricantes | Eutech Microelectronics | |
| Logotipo |  |
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EUA2105
5-W Stereo Class-D Audio Amplifier
with 64-Step DC Volume Control
DESCRIPTION
The EUA2105 is a high efficiency, 2 channel bridged-tied
load (BTL), class-D audio power amplifier. Operating from
a 12V power supply, EUA2105 is capable of delivering
5W/ channel of continuous output power to a 8Ω load with
1% THD+N. The EUA2105 features a differential input
architecture offering improved noise immunity over a
single-ended (SE) input amplifier. Stereo speaker volume
is controlled with a dc voltage applied to the volume
control terminal offering a range of gain from -68dB to32
dB.
The EUA2105 also features short-circuit and thermal
protection preventing the device from being damaged
during a fault condition. The EUA2105 is available in
thermally efficient 28-pin TSSOP package.
FEATURES
z Wide Supply Voltage: 8V to 15V
z Unique Modulation Scheme Reduces EMI Emission
z 5W/ch into an 8Ω Load From 12V Supply
z Efficient, Class-D Operation Eliminates Heatsinks
z 64-Step DC Volume Control From -68dB to 32dB
z Thermal and Short-Circuit Protection
z Integrated Click and Pop Suppression
z 28-pin TSSOP Package with Thermal Pad
z RoHS compliant and 100% lead(Pb)-free
APPLICATIONS
z LCD Monitors/TVs
z All-in-One PCs
Typical Application Circuit
DS2105 Ver1.1 Dec. 2009
Figure1.
1
1 page  
Tel: 0755-8398 3377 / 135 9011 2223 http://www.gofotech.com
EUA2105
DC Characteristics TA = +25°C , VCC=12V, RL=8Ω (Unless otherwise noted) (continued)
Symbol
Parameter
Conditions
EUA2105
Min Typ Max.
ICC(MUTE) MUTE mode quiescent current
MUTE=3.5V, SHUTDOWN =2V
5 10
Unit
mA
ICC(SD)
Supply quiescent current in shutdown
mode
rDS(on) Drain-source on-state resistance
SHUTDOWN =0.8V
VCC=12V,
IO=1A,
TJ=25°C
High side
Low side
Total
500 1000 µA
400 500
400 500 mΩ
800 1000
AC Characteristics TA = +25°C , VCC=12V, RL=8Ω (Unless otherwise noted)
Symbol
Parameter
kSVR Supply ripple rejection ratio
Conditions
EUA2105
Min Typ Max
VCC=11.5V to 12.5V from 10Hz to 1kHz,
Gain=36dB
-60
PO(max)
Maximum Continuous output
power
THD+N=1%, f=1kHz, RL=8Ω
THD+N=10%, f=1kHz, RL=8Ω
5
6
THD+N Total harmonic distortion +noise RL=8Ω, f=1kHz, PO=3W (half-power)
0.2%
Vn Output integrated noise floor
20Hz to 22kHz,No weighting filter,
Gain=0.5dB
-73
Crosstalk, Left ↔ Right
Gain=20dB, PO=1W, RL=8Ω
-100
Thermal trip point
150
Thermal hystersis
40
Unit
dB
W
dBV
dB
°C
°C
DS2105 Ver1.1 Dec. 2009
5
5 Page 
EUA2105Tel: 0755-8398 3377 / 135 9011 2223 http://www.gofotech.com
Figure21.
DS2105 Ver1.1 Dec. 2009
11
11 Page | ||
| Páginas | Total 16 Páginas | |
| PDF Descargar | [ Datasheet EUA2105.PDF ] | |
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