TPA3003D2PFBR ,Stereo, Low Power, Wide Supply Voltage, Filter-Free Class-D Audio AmplifierFEATURES DESCRIPTION 3-W/Ch Into an 8-Ω Load From 12-V SupplyThe TPA3003D2 is a 3-W (per channel) ..
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TPA3003D2-TPA3003D2PFB-TPA3003D2PFBG4-TPA3003D2PFBR
3-W Stereo Class-D Audio Power Amplifier
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SLOS406A − FEBRUARY 2003 − REVISED MARCH 2003
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FEATURES 3-W/Ch Into an 8-Ω Load From 12-V Supply Efficient, Class-D Operation Eliminates
Heatsinks and Reduces Power Supply
Requirements 32-Step DC Volume Control From −40 dB
to 36 dB Third Generation Modulation Techniques
− Replaces Large LC Filter With Small
Low-Cost Ferrite Bead Filter Thermal and Short-Circuit Protection
APPLICATIONS LCD Monitors and TVs Powered Speakers
DESCRIPTIONThe TPA3003D2 is a 3-W (per channel) efficient,
Class-D audio amplifier for driving bridged-tied stereo
speakers. The TPA3003D2 can drive stereo speakers
as low as 8 Ω. The high efficiency of the TPA3003D2
eliminates the need for external heatsinks when playing
music.
Stereo speaker volume is controlled with a dc voltage
applied to the volume control terminal offering a range
of gain from –40 dB to 36 dB.
PVCC PVCC
PVCC PVCC
LINP
LINN
RINN
RINP
SYSTEM CONTROL
VOLUME
TPA3003D2
VCLAMPR
MUTE
AVDD
AGND
COSC
ROSC
AVCC
VCLAMPL
BSRP
PVCCRPVCCRROUTPROUTPPGNDRPGNDRROUTNROUTNPVCCRPVCCR
BSRN
FADE
Cvcc
10 µF
