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TPA3123D2PWPRG4 데이터시트(PDF) 1 Page - Texas Instruments

부품명 TPA3123D2PWPRG4
상세설명  25-W STEREO CLASS-D AUDIO POWER AMPLIFIER
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제조업체  TI [Texas Instruments]
홈페이지  http://www.ti.com
Logo TI - Texas Instruments

TPA3123D2PWPRG4 데이터시트(HTML) 1 Page - Texas Instruments

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1 F
m
SD
MuteControl
PVCCL
TPA3123D2
TPA3120D2
SIMPLIFIED APPLICATIONCIRCUIT
PVCCR
VCLAMP
GAIN1
BYPASS
1 F
m
1 F
m
0.22 F
m
AGND
LeftChannel
RightChannel
10Vto30V
10Vto30V
}4-StepGain
Control
Shutdown
Control
LIN
RIN
BSR
BSL
PGNDR
PGNDL
0.22 F
m
22 H
m
22 H
m
0.68 F
m
470 F
m
0.68 F
m
1 F
m
470 F
m
GAIN0
AVCC
MUTE
ROUT
LOUT
TPA3123D2
www.ti.com
SLOS541C – JULY 2007 – REVISED AUGUST 2010
25-W STEREO CLASS-D AUDIO POWER AMPLIFIER
Check for Samples: TPA3123D2
1
FEATURES
APPLICATIONS
Televisions
2
25-W/ch into a 4-
Ω Load from a 27-V Supply
20-W/ch into a 4-
Ω Load from a 24-V Supply
DESCRIPTION
Operates from 10 V to 30 V
The TPA3123D2 is a 25-W (per channel) efficient,
Efficient Class-D Operation Eliminates Need
Class-D audio power amplifier for driving stereo
for Heat Sinks
speakers in a single-ended configuration or a mono
Four Selectable, Fixed-Gain Settings
speaker in a bridge-tied-load configuration. The
Internal Oscillator (No External Components
TPA3123D2 can drive stereo speakers as low as 4
Ω.
The efficiency of the TPA3123D2 eliminates the need
Required)
for an external heat sink when playing music.
Single-Ended Analog Inputs
The gain of the amplifier is controlled by two gain
Thermal and Short-Circuit Protection With
select pins. The gain selections are 20, 26, 32,
Auto Recovery
36 dB.
Space-Saving Surface-Mount 24-Pin TSSOP
The patented start-up and shut-down sequences
Package
minimize pop noise in the speakers without additional
Pin-to-Pin compatible with TPA3120D2
circuitry.
Advanced Power-Off Pop Reduction
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
System Two, Audio Precision are trademarks of Audio Precision, Inc.
PRODUCTION DATA information is current as of publication date.
Copyright © 2007–2010, 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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