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PDF EUA2101ATIR1 Data sheet ( Hoja de datos )
| Número de pieza | EUA2101ATIR1 | |
| Descripción | 10-W Stereo Class-D Audio Power Amplifier | |
| Fabricantes | Eutech Microelectronics | |
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EUA2101A
10-W Stereo Class-D
Audio Power Amplifier
DESCRIPTION
The EUA2101A is a high efficiency, 2 channel bridged-tied
load (BTL), class-D audio power amplifier. Operating from
a 12V power supply, EUA2101A is capable of delivering
10W/ channel of continuous output power to a 8Ω load
with 10% THD+N. The EUA2101A features a differential
input architecture offering improved noise immunity over a
single-ended (SE) input amplifier. Amplifier gain is
internally configured and can be selected to 20, 26, 32 or
36dB utilizing the Go and G1 gain select pins.
The EUA2101A also features short-circuit and thermal
protection preventing the device from being damaged
during a fault condition. The EUA2101A is available in
thermally efficient 48-pin TQFP package.
FEATURES
Wide Supply Voltage: 8V to 15V
Unique Modulation Scheme Reduces EMI Emission
10-W/ch into an 8-Ω Load From a 12-V Supply
15-W/ch into an 4-Ω Load From a 12-V Supply
90% Efficient Class-D Operation Eliminates
Need for Heat Sinks
Four Selectable, Gain Settings
Differential Inputs
Thermal and Short-Circuit Protection
Clock Output for Synchronization With Multiple
Class-D Devices
7mm × 7mm, 48-pin TQFP Package
RoHS compliant and 100% lead(Pb)-free
APPLICATIONS
Televisions
Typical Application Circuit
DS2101A Ver 1.1 July 2009
Figure1.
1
1 page  
EUA2101ATel: 0755-8398 3377 / 135 9011 2223 http://www.gofotech.com
DC Characteristics (Continued)
Symbol
Parameter
ICC Quiescent supply current
Conditions
SHUTDOWN =2V, MUTE=0V,
no load, filter or snubber
EUA2101A
Min Typ Max.
Unit
22 28 mA
ICC(SD)
Quiescent supply current in shutdown
mode
SHUTDOWN =0.8V, no load
500 1000 µA
ICC(MUTE) Quiescent supply current in mute mode MUTE=2V, no load
rDS(on) Drain-source on-state resistance
VCC=12V,
IO=500mA,
TJ=25°C
High Side
Low Side
Total
1.25 2 mA
200
200 mΩ
400 800
G Gain
GAIN1=0.8V
GAIN1=2V
GAIN0=0.8V
GAIN0=2V
GAIN0=0.8V
GAIN0=2V
19 20 21
dB
25 26 27
31 32 33
dB
35 36 37
tON Turn-on time
tOFF Turn-off time
C(VBYP)=1µF, SHUTDOWN =2V
C(VBYP)=1µF, SHUTDOWN =0.8V
10
20
ms
ms
AC Characteristics TA = +25°C ,VCC=12V, RL=8Ω (Unless otherwise noted)
Symbol
Parameter
Conditions
KSVR Supply ripple rejection
200mVPP ripple from 20 Hz-1 kHz,
Gain= 20dB, Inputs ac-coupled to AGND
THD+N=7%, f=1kHz
PO Continuous output power
THD+N=10%, f=1kHz
THD+N=7%, f=1kHz, RL=4Ω
THD+N=10%, f=1kHz,RL=4Ω
(thermally limited)
THD+N
RL=8Ω, f=1 kHz, PO=5W (half-power)
Total harmonic distortion +noise
RL=4Ω, f=1 kHz, PO=8W (half-power)
Vn Output integrated noise
20Hz to 22kHz, A-weighted filter,
Gain=20dB
Crosstalk
SNR Signal-to-noise ratio
Thermal trip point
Thermal hysteresis
PO=1 W, Gain=20dB, f=1 kHz
Maximum output at THD+N< 1%,
f=1kHz,Gain=20dB, A-weighted
EUA2101A
Min Typ Max.
Unit
-58 dB
9.20
9.80
15.70
W
16.60
0.07%
0.096%
200
-74
-90
µV
dBV
dB
90 dB
150 ℃
40 ℃
DS2101A Ver 1.1 July 2009
5
5 Page 
EUA2101ATel: 0755-8398 3377 / 135 9011 2223 http://www.gofotech.com
Figure27.
Figure29.
Figure28.
DS2101A Ver 1.1 July 2009
11
11 Page | ||
| Páginas | Total 17 Páginas | |
| PDF Descargar | [ Datasheet EUA2101ATIR1.PDF ] | |
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