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TPA3004D2 数据表(PDF) 1 Page - Texas Instruments

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部件名 TPA3004D2
功能描述  12-W STEREO CLASS-D AUDIO POWER AMPLIFIER WITH DC VOLUME CONTROL
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制造商  TI [Texas Instruments]
网页  http://www.ti.com
标志 TI - Texas Instruments

TPA3004D2 数据表(HTML) 1 Page - Texas Instruments

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TPA3004D2
SLOS407A – FEBRUARY 2003 – MARCH 2003
12-W STEREO CLASS-D AUDIO POWER AMPLIFIER
WITH DC VOLUME CONTROL
1
www.ti.com
FEATURES
D 12-W/Ch Into an 8-Ω Load From 15-V Supply
D Efficient, Class-D Operation Eliminates
Heatsinks and Reduces Power Supply
Requirements
D 32-Step DC Volume Control From –40 dB
to 36 dB
D Line Outputs For External Headphone
Amplifier With Volume Control
D Regulated 5-V Supply Output for Powering
TPA6110A2
D Space-Saving, Thermally-Enhanced
PowerPAD
 Packaging
D Thermal and Short-Circuit Protection
APPLICATIONS
D LCD Monitors and TVs
D Powered Speakers
DESCRIPTION
The TPA3004D2 is a 12-W (per channel) efficient,
Class-D audio amplifier for driving bridged-tied stereo
speakers. The TPA3004D2 can drive stereo speakers
as low as 4
Ω. The high efficiency of the TPA3004D2
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. Line outputs, for driving
external headphone amplifier inputs, are also dc
voltage controlled with a range of gain from –56 dB to
20 dB.
An integrated 5-V regulated supply is provided for
powering an external headphone amplifier.
Cs
Cs
10 nF
Cbs
Cs
Cs
10 nF
Cbs
PVCC
PVCC
Cs
Cs
10 nF
Cbs
Cs
Cs
10 nF
Cbs
PVCC
PVCC
220 pF
Cosc
Rosc
Ccpl
100 nF
Cvdd
Ccpr
Crinp
Crinn
Clinn
Clinp
LINP
LINN
RINN
RINP
SYSTEM CONTROL
VOL
VARDIFF
VARMAX
TPA3004D2
VCLAMPR
SD
V2P5
RINP
LINN
LINP
AVDDREF
VREF
VARDIFF
VARMAX
VOLUME
REFGND
MODE
MODE_OUT
VAROUTR
VAROUTL
AVDD
AGND
COSC
ROSC
AVCC
VCLAMPL
RINN
AVDD
AVCC
C2p5
FADE
10
µF
10
µF
0.1
µF
0.1
µF
1
µF
1
µF
1
µF
1
µF
1
µF
0.1
µF
0.1
µF
10
µF
10
µF
1
µF
120 k
1
µF
10 k
10 k
Cs
0.1
µF
Cvcc
10
µF
MODE_OUT
RLINE_OUT
LLINE_OUT
SYSTEM CONTROL
SYSTEM CONTROL
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
Copyright
 2003, Texas Instruments Incorporated
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments
semiconductor products and disclaimers thereto appears at the end of this data sheet.
PowerPAD is a trademark of Texas Instruments.


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