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EUA2510A 데이터시트 PDF




Eutech Microelectronics에서 제조한 전자 부품 EUA2510A은 전자 산업 및 응용 분야에서
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부품번호 EUA2510A 기능
기능 Low EMI 2.7W Boosted Class-D Audio Power Amplifier
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EUA2510A 데이터시트, 핀배열, 회로
EUA2510A
Low EMI 2.7W Boosted Class-D
Audio Power Amplifier
DESCRIPTION
The EUA2510A integrates a current-mode boost converter
with a high efficiency mono, Class D audio power amplifier
to provide 2.7W/10% THD or 2W/1% THD continuous
power into a 4speaker when operating on a 3.3V power
supply with boost voltage (PV1) of 5V. The Class D
amplifier is a low noise, filterless PWM architecture that
eliminates the output filter, reducing external component
count, board area consumption, system cost, and simplifying
design.
The EUA2510A’s boost converter, operating at a fixed
frequency of 600KHz, generates a high voltage rail which is
used to supply the Class-D amplifier. The EUA2510A
features a low-power consumption shutdown mode.
Shutdown may be enabled by driving the Shutdown pin to a
logic low (GND).
The gain of the Class D is externally configurable which
allows independent gain control from multiple sources by
summing the signals. Output short circuit and Thermal
shutdown protection prevent the device from damage during
fault conditions. Superior click and pop suppression
eliminates audible transients during power-up and shutdown.
FEATURES
z 2.7W/10% THD into a 4Load with a 3.3V Supply
z Fully Differential Inputs
z Externally Configurable Gain on Class D
z 2.7V - 5V operation (VDD)
z Independent Boost and Amplifier Shutdown Pins
z 0.5µA Shutdown Current
z Integrated Pop and Click Suppression Circuitry
z 3mm × 4mm TDFN-14 Package
z RoHS Compliant and 100% Lead(Pb)-Free
Halogen-Free
APPLICATIONS
z Mobile Phones
z GPS
z Portable Media
z Handheld Games
Typical Application Circuit
DS2510A Ver1.0 Apr. 2010
Figure1.
1




EUA2510A pdf, 반도체, 판매, 대치품
EUA2510ATel: 0755-8398 3377 / 135 9011 2223 http://www.gofotech.com
Absolute Maximum Ratings
Supply Voltage, VDD --------------------------------------------------------------------------------------------
6V
Input Voltage ------------------------------------------------------------------------------------ -0.3 V to VINA +0.3V
Junction Temperature Range, TJ ------------------------------------------------------------------------------- 150°C
Storage Temperature Rang, Tstg --------------------------------------------------------------------- -65°C to 150°C
ESD Susceptibility -------------------------------------------------------------------------------------------- 2kV
Thermal Resistance
θJA (TDFN) --------------------------------------------------------------------------------------------------- 47°C/W
Recommended Operating Conditions
Supply voltage, VDD
Operating free-air temperature, TA
Min Max Unit
2.7 5 V
-40 85 °C
Electrical Characteristics VDD=3.3V
The following specifications apply for VDD =3.3V,PV1=5V,AV=6dB (Ri=150k), RL=15µH+8+15µH ,fIN=1kHz,
unless otherwise specified. Limits apply for TA=25°C.
Symbol
Parameter
IDD
I(SD)
VSDIH
Quiescent Power Supply
Current
Shutdown Current
Shutdown Voltage Input
High
VSDIL
Shutdown Voltage Input
Low
Conditions
VIN=0, RLOAD=
(SD - AMP) = (SD - BOOST )=GND
(SD - AMP)
(SD - BOOST )
(SD - BOOST )
(SD - AMP)
EUA2510A
Unit
Min. Typ. Max.
7.6 mA
1
1.3
1.3
µA
V
V
0.35 V
0.35 V
TWU Wake-up Time
11.4 ms
VOS Output Offset Voltage
PO Output Power
THD+N
Total Harmonic Distortion
+ Noise
εOS Output Noise
RL=15µH+4+15µH ,THD+N=1% (max),
f=1kHz,22kHz,BW VDD=3.3V
RL=15µH+8+15µH ,THD+N=1% (max),
f=1kHz,22kHz,BW VDD=3.3V
RL=15µH+4+15µH,THD+N=10%(max),
f=1kHz,22kHz,BW
VDD=2.7V
VDD=3V
VDD=3.3V
RL=15µH+8+15µH,THD+N=10%(max),
f=1kHz,22kHz,BW
VDD=2.7V
VDD=3.3V
Po=500mW, f=1kHz, RL=15µH+8+15µH
VDD=2.7V
Po=500mW, f=1kHz, RL=15µH+8+15µH
VDD=3.3V
VDD=3.3V,f=20Hz~20kHz
Inputs to AC GND, No weighting
input referred
VDD=3.3V,f=20Hz~20kHz
Inputs to AC GND, A weighting
input referred
4
2
1.2
1.5
2.1
2.7
1.6
1.6
0.081
0.068
46
27
mV
W
%
%
µVRMS
µVRMS
DS2510A Ver1.0 Apr. 2010
4

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EUA2510A 전자부품, 판매, 대치품
EUA2510ATel: 0755-8398 3377 / 135 9011 2223 http://www.gofotech.com
Figure8.
Figure10.
Power Dissipation vs Output Power V =3.3V
DD
1.0
0.8
0.6
RL=4 ohm
0.4
RL=8 ohm
0.2
0.0
0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6
OUTPUT POWER(W)
Figure12.
DS2510A Ver1.0 Apr. 2010
7
Figure9.
Power Dissipation vs Output Power V =2.7V
DD
0.7
0.6
0.5
RL=4 ohm
0.4
0.3
RL=8 ohm
0.2
0.1
0.0
0.0 0.2 0.4 0.6 0.8 1.0 1.2
OUTPUT POWER(W)
Figure11.
Power Dissipation vs Output Power V =4.2V
DD
1.0
0.8
0.6
RL=4 ohm
0.4
0.2 RL=8 ohm
0.0
0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8
OUTPUT POWER(W)
Figure13.

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