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Eutech Microelectronics

EUA2510A Datasheet Preview

EUA2510A Datasheet

Low EMI 2.7W Boosted Class-D Audio Power Amplifier

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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




Eutech Microelectronics

EUA2510A Datasheet Preview

EUA2510A Datasheet

Low EMI 2.7W Boosted Class-D Audio Power Amplifier

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Pin Configurations
Package Type
EUA2510ATel: 0755-8398 3377 / 135 9011 2223 http://www.gofotech.com
Pin Configurations
TDFN-14
Pin Description
PIN TDFN-14
VO1 1
GND1
2
PV1 3
VO2 4
SD BOOST
GND2
5
6
FB 7
SW 8
GND3
9
VDD
10
SD AMP
IN-
11
12
IN+ 13
GND
14
Amplifier Output
DESCRIPTION
GND
Amplifier Power Input
Amplifier Output
Boost Regulator Active Low Shutdown
Signal Ground (Booster)
Feedback point that connects to external resistive divider.
Drain of the Internal FET Switch
Power Ground (Booster)
Power Supply
Amplifier Active Low Shutdown
Amplifier Inverting Input
Amplifier Non-Inverting Input
GND
DS2510A Ver1.0 Apr. 2010
2


Part Number EUA2510A
Description Low EMI 2.7W Boosted Class-D Audio Power Amplifier
Maker Eutech Microelectronics
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