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PDF EUA2313 Data sheet ( Hoja de datos )
| Número de pieza | EUA2313 | |
| Descripción | 6-W Stereo Class-D Audio Power Amplifier | |
| Fabricantes | Eutech Microelectronics | |
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EUA2313
6-W Stereo Class-D Audio Power
Amplifier with Speaker Protection
DESCRIPTION
The EUA2313 is a high efficiency, 2 channel bridged-tied
load (BTL), class-D audio power amplifier. Operating from
a 10V power supply, EUA2313 is capable of delivering
6W/ channel of continuous output power to a 8Ω load with
10% THD+N. The EUA2313 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 G0 and G1 gain select pins. Advanced
EMI suppression technology enables the use of
inexpensive ferrite bead at the outputs while meeting EMC
requirements.
The speaker protection circuitry is integrated into
EUA2313 to limit the amount of current through the
speaker. Meanwhile, the AGC detects output signal clip
due to the over level input signal and suppresses it
automatically. The EUA2313 also features short-circuit and
thermal protection preventing the device from being
damaged during a fault condition. The EUA2313 is
available in thermally efficient 28-pin TSSOP package.
FEATURES
Wide Supply Voltage: 8V to 26V
Unique Modulation Scheme Reduces EMI Emission
6-W/ch into an 8-Ω Load From a 10-V Supply
12W into a 4-Ω Mono Load From a 10-V Supply
87% Efficient Class-D Operation Eliminates
Need for Heat Sinks
Four Selectable, Gain Settings
Differential Inputs
Speaker Protection Circuitry
Auto Gain Control
Thermal and Short-Circuit Protection
28-pin TSSOP Package with Thermal Pad
RoHS compliant and 100% lead(Pb)-free
Halogen-Free
APPLICATIONS
Televisions
Typical Application Circuit
DS2313 Ver1.1 May 2012
Figure1. Simplified Application Schematic
1
1 page  
Tel: 0755-8398 3377 / 135 9011 2223 http://www.gofotech.com
EUA2313
DC Characteristics TA = +25°C ,VCC=12V, RL=8Ω (Unless otherwise noted)
Symbol
Parameter
Class-D output offset voltage
VOS (measured differentially)
Conditions
VI= 0V,Gain =36dB
EUA2313
Min. Typ. Max.
5 50
ICC Quiescent supply current
SD =2V, no load, PVCC=12V
45
ICC(SD)
Quiescent supply current in shutdown
mode
SD =0.8V, no load, PVCC=12V
200 1000
rDS(on) Drain-source on-state resistance
VCC=12V,
High Side
IO=500mA, TJ=25°C Low Side
400
400
G Gain
GAIN1=0.8V
GAIN1=2V
GAIN0=0.8V 19 20 21
GAIN0=2V 25 26 27
GAIN0=0.8V 31 32 33
GAIN0=2V 35 36 37
tON Turn-on time
SD =2V
28
tOFF Turn-off time
SD =0.8V
28
GVDD Gate Drive Supply
VO
Output voltage maximum under
PLIMIT control
IGVDD=2mA
V(PLIMIT)=1.3V, VI=1Vrms
4.2 4.5 4.8
6.75 7.90 8.75
Unit
mV
mA
µA
mΩ
dB
dB
ms
ms
V
V
AC Characteristics TA = +25°C ,VCC=24V, RL=8Ω (Unless otherwise noted)
Symbol
Parameter
Conditions
KSVR Power supply ripple rejection
200mVPP ripple at 1kHz,
Gain= 20dB, Inputs ac-coupled to AGND
PO Continuous output power
THD+N=10%, f=1kHz, VCC=10V
THD+N Total harmonic distortion +noise VCC=16V, f=1kHz, Po=7.5W( half-power)
Vn Output integrated noise
20Hz to 22kHz, A-weighted filter,
Gain=20dB
SNR
fOSC
Crosstalk
Signal-to-noise ratio
Oscillator frequency
Thermal trip point
Thermal hysteresis
VO=1Vrms, Gain=20dB, f=1kHz
Maximum output at THD+N< 1%,
f=1kHz,Gain=20dB, A-weighted
EUA2313
Min. Typ. Max.
-60
6
0.2
200
-74
-100
90
230 280 330
150
30
Unit
dB
W
%
µV
dBV
dB
dB
kHz
°C
°C
DS2313 Ver1.1 May 2012
5
5 Page 
Tel: 0755-8398 3377 / 135 9011 2223 http://www.gofotech.com
EUA2313
Figure27.
Figure28.
Figure29.
Figure30.
Figure31.
DS2313 Ver1.1 May 2012
11
Figure32.
11 Page | ||
| Páginas | Total 18 Páginas | |
| PDF Descargar | [ Datasheet EUA2313.PDF ] | |
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