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Eutech Microelectronics

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EUA4832 Datasheet

3-W Stereo Audio Power Amplifier

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3-W Stereo Audio Power Amplifier with
I2C, Tone Control, 3D Enhancement
and OCL Headphone Drive
The EUA4832 is a stereo audio power amplifier that
provides tone (bass and treble) controls as well as delivers
3W (typ) into 4or 1.72W (typ) into 8with 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
z 3W/ch into 4Load at VDD=5V,THD<10%
z Integrated 92mW OCL Stereo Headphone Drive
z Treble and Bass Control
z 3D Enhancement
z I2C Control Interface
z 2.7V to 5.5V Input Supply
z Click and Pop Suppression
z Thermal Shutdown Protection
z Software & Hardware Control Shutdown Function
z Low Supply Current and Shutdown Current
z Minimum External Components
z 4mm × 4mm TQFN-28 and TSSOP-28 Packages
z RoHS Compliant and 100% Lead(Pb)-Free,
z All-in-One PC
z Multimedia Monitor
z Desktop Audio Speakers
z Cell Phones, PDA, MP4,PMP
Tel: 0755-8398 3377 / 135 9011 2223
DS4832 Ver 0.1 Nov. 2009

Part Number EUA4832
Description 3-W Stereo Audio Power Amplifier
Maker Eutech Microelectronics
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