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EUA4832 Datasheet(PDF) 1 Page - Eutech Microelectronics Inc

Part No. EUA4832
Description  3-W Stereo Audio Power Amplifier with I2C, Tone Control, 3D Enhancement and OCL Headphone Drive
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Maker  EUTECH [Eutech Microelectronics Inc]
Homepage  http://www.eutechmicro.com
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EUA4832 Datasheet(HTML) 1 Page - Eutech Microelectronics Inc

   
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EUA4832
DS4832 Ver 0.1 Nov. 2009
1
3-W Stereo Audio Power Amplifier with
I2C, Tone Control, 3D Enhancement
and OCL Headphone Drive
DESCRIPTION
The EUA4832 is a stereo audio power amplifier that
provides tone (bass and treble) controls as well as delivers
3W (typ) into 4Ω or 1.72W (typ) into 8Ω with less than
10% THD from a 5V supply. Amplifier gain is externally
configured by means of two resistors per input channel.
The EUA4832 also features 3D sound circuitry which can
be externally adjusted via a simple RC network. The
headphone amplifier features Output Capacitor-less (OCL)
architecture that eliminates the output coupling capacitors
required by traditional headphone amplifiers.
The EUA4832 features a 13-step tone control for the stereo
speakers and headphone outputs. The device mode select
and Tone are controlled through an I2C compatible
interface. Shutdown is controlled through either the
hardware or software interface.
Thermal shutdown protection prevents the device from
being damaged during fault conditions. Superior click and
pop
suppression
eliminates
audible
transients
on
power-up/down and during shutdown.
Typical Application Circuit
FEATURES
3W/ch into 4Ω Load at VDD=5V,THD<10%
Integrated 92mW OCL Stereo Headphone Drive
Treble and Bass Control
3D Enhancement
I2C Control Interface
2.7V to 5.5V Input Supply
Click and Pop Suppression
Thermal Shutdown Protection
Software & Hardware Control Shutdown Function
Low Supply Current and Shutdown Current
Minimum External Components
4mm
× 4mm TQFN-28 and TSSOP-28 Packages
RoHS Compliant and 100% Lead(Pb)-Free,
Halogen-Free
APPLICATIONS
All-in-One PC
Multimedia Monitor
Desktop Audio Speakers
Cell Phones, PDA, MP4,PMP
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