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TPA3124D2PWP データシート(PDF) 1 Page - Texas Instruments

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部品番号 TPA3124D2PWP
部品情報  15-W STEREO CLASS-D AUDIO POWER AMPLIFIER
Download  29 Pages
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メーカー  TI1 [Texas Instruments]
ホームページ  http://www.ti.com
Logo TI1 - Texas Instruments

TPA3124D2PWP データシート(HTML) 1 Page - Texas Instruments

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1
FEATURES
APPLICATIONS
DESCRIPTION
1 F
m
SD
MuteControl
PVCCL
TPA3124D2
SIMPLIFIED APPLICATIONCIRCUIT
PVCCR
VCLAMP
GAIN1
BYPASS
1 F
m
1 F
m
0.22 F
m
AGND
LeftChannel
RightChannel
10Vto26V
10Vto26V
4-StepGainControl
ShutdownControl
LIN
RIN
BSR
BSL
PGNDR
PGNDL
0.22 F
m
33 H
m
33 H
m
470 F
m
0.22 F
m
1 F
m
470 F
m
GAIN0
AVCC
MUTE
ROUT
LOUT
S0267-02
0.22 F
m
TPA3124D2
www.ti.com........................................................................................................................................................................................................ SLOS578 – MAY 2008
15-W STEREO CLASS-D AUDIO POWER AMPLIFIER
• Flat Panel Televisions
234
• 10-W/Ch Into an 8-Ω Load From a 24-V Supply
• DLP® TVs
• 15-W/Ch into a 4-Ω Load from a 22-V Supply
• CRT TVs
• 30-W/Ch into a 8-Ω Load from a 22-V Supply
• Powered Speakers
• Operates From 10 V to 26 V
• Can Run From +24 V LCD Backlight Supply
• Efficient Class-D Operation Eliminates Need
The TPA3124D2 is a 15-W (per channel), efficient,
for Heat Sinks
class-D audio power amplifier for driving stereo
• Four Selectable, Fixed-Gain Settings
speakers in a single-ended configuration; or, a mono
• Internal Oscillator (No External Components
speaker in a bridge-tied-load configuration. The
TPA3124D2 can drive stereo speakers as low as 4
Ω.
Required)
The efficiency of the TPA3124D2 eliminates the need
• Single-Ended Analog Inputs
for an external heat sink when playing music.
• Thermal and Short-Circuit Protection With
The gain of the amplifier is controlled by two gain
Auto Recovery
select pins. The gain selections are 20, 26, 32, and
• Space-Saving Surface Mount 24-Pin TSSOP
36 dB.
Package
The patented start-up and shutdown sequences
• Advanced Power-Off Pop Reduction
minimize pop noise in the speakers without additional
circuitry.
1
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.
2
DLP is a registered trademark of Texas Instruments.
3
System Two, Audio Precision are trademarks of Audio Precision, Inc.
4
All other trademarks are the property of their respective owners.
PRODUCTION DATA information is current as of publication date.
Copyright © 2008, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.


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