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Eutech Microelectronics

EUA6230 Datasheet Preview

EUA6230 Datasheet

Audio Power Amplifier

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EUA6230
2.4W, Mono Class G
Audio Power Amplifier with AGC
DESCRIPTION
The EUA6230 is a mono Class G power amplifier with an
integrated inverting charge-pump power supply and
automatic gain control (AGC). The charge pump can
supply up to 500mA of peak out-put current over a 2.7V to
5V supply voltage range, guaranteeing up to 2.4W output
power into an 8load. The AGC function can prevent
distortion of the audio signal by detecting output signal
clip due to the over level input signal and compressing it
automatically.
The EUA6230 offers good performance through the class
G output stage, which provides efficiency levels greater
than Class AB devices without the EMI penalties
commonly associated with Class D amplifiers. The device
utilizes fully differential inputs and outputs, comprehensive
click-and-pop suppression, shutdown control, and soft-start
circuitry. The EUA6230 is available in 28-pin TQFN
(4mm× 4mm) package.
FEATURES
2.7V-5.0V Operation
Auto Gain Control for Non-Clipping
61% Efficiency (VCC=5V, POUT=1W)
2.4W Output Power into 8at VCC=5V
Up to 2.4W Instantaneous Output Power into 8
Integrated Charge-Pump Power Supply
Click-and-Pop Suppression
Auto Gain Control for Non-Clipping
Available in TQFN-28 Package
RoHS Compliant and 100% Lead(Pb)-Free
Halogen-Free
APPLICATIONS
Mobile Phones/ Smartphones
Personal Media Players
Tablet PC
Handheld Gaming
Notebook Computers
Typical Application Circuit
DS6230 Ver1.1 Sep. 2011
Figure1.
1




Eutech Microelectronics

EUA6230 Datasheet Preview

EUA6230 Datasheet

Audio Power Amplifier

No Preview Available !

Pin Configurations
Package Type
EUA6230Tel: 0755-8398 3377 / 135 9011 2223 http://www.gofotech.com
Pin Configurations
TQFN-28
Pin Description
PIN
SHDN
NC
C1P
CPVDD
FB-
TQFN-28
DESCRIPTION
1
2,5,6,8,11,17,
19,23,25,28
3
Shutdown. “High Voltage” enable IC, “Low Voltage” disable IC, SHDN pin
can not be floating.
No Connection. No internal connection.
Charge-Pump Flying Capacitor, Positive Terminal. Connect a 4.7µF capacitor
between C1P and C1N.
4 Charge-Pump Positive Supply
7 Negative Amplifier Feedback
IN- 9 Negative Amplifier Input
IN+ 10 Positive Amplifier Input
FB+
FS
VCC
SVSS
OUT-
12
13
14,22
15,21
16
Positive Amplifier Feedback
Charge-Pump Frequency Set. Connect a 100kresistor from FS to GND to
set the charge-pump switching frequency.
Supply Voltage. Bypass with a 10µF capacitor to GND.
Amplifier Negative Power Supply. Connect to PVSS.
Negative Amplifier Output
GND
18 Ground
OUT+
20 Positive Amplifier Output
PVSS
C1N
CPGND
24 Charge-Pump Output. Connect a 10µF capacitor between PVSS and CPGND.
26
Charge-Pump Flying Capacitor, Negative Terminal. Connect a 4.7µFcapacitor
between C1N and C1P.
27 Charge-Pump Ground. Connect to GND.
DS6230 Ver1.1 Sep. 2011
2


Part Number EUA6230
Description Audio Power Amplifier
Maker Eutech Microelectronics
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