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EUA2101ATIR1 Schematic ( PDF Datasheet ) - Eutech Microelectronics

Teilenummer EUA2101ATIR1
Beschreibung 10-W Stereo Class-D Audio Power Amplifier
Hersteller Eutech Microelectronics
Logo Eutech Microelectronics Logo 




Gesamt 17 Seiten
EUA2101ATIR1 Datasheet, Funktion
EUA2101A
10-W Stereo Class-D
Audio Power Amplifier
DESCRIPTION
The EUA2101A is a high efficiency, 2 channel bridged-tied
load (BTL), class-D audio power amplifier. Operating from
a 12V power supply, EUA2101A is capable of delivering
10W/ channel of continuous output power to a 8load
with 10% THD+N. The EUA2101A features a differential
input architecture offering improved noise immunity over a
single-ended (SE) input amplifier. Amplifier gain is
internally configured and can be selected to 20, 26, 32 or
36dB utilizing the Go and G1 gain select pins.
The EUA2101A also features short-circuit and thermal
protection preventing the device from being damaged
during a fault condition. The EUA2101A is available in
thermally efficient 48-pin TQFP package.
FEATURES
Wide Supply Voltage: 8V to 15V
Unique Modulation Scheme Reduces EMI Emission
10-W/ch into an 8-Load From a 12-V Supply
15-W/ch into an 4-Load From a 12-V Supply
90% Efficient Class-D Operation Eliminates
Need for Heat Sinks
Four Selectable, Gain Settings
Differential Inputs
Thermal and Short-Circuit Protection
Clock Output for Synchronization With Multiple
Class-D Devices
7mm × 7mm, 48-pin TQFP Package
RoHS compliant and 100% lead(Pb)-free
APPLICATIONS
Televisions
Typical Application Circuit
DS2101A Ver 1.1 July 2009
Figure1.
1






EUA2101ATIR1 Datasheet, Funktion
Block Diagram
EUA2101ATel: 0755-8398 3377 / 135 9011 2223 http://www.gofotech.com
Figure2.
DS2101A Ver 1.1 July 2009
6

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EUA2101ATIR1 pdf, datenblatt
EUA2101ATel: 0755-8398 3377 / 135 9011 2223 http://www.gofotech.com
Application Information
Differential Input
The differential input stage of the amplifier cancels any common-mode noise that appears on both input lines of the audio
channel. To use the EUA2101A with a differential source, connect the positive signal of the audio source to the INP pin
and the negative signal from the audio source to the INN pin (Figure 30).
Figure 30. Differential Input
DS2101A Ver 1.1 July 2009
12

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