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TPA3123D2PWP Scheda tecnica(PDF) 1 Page - Texas Instruments

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Il numero della parte TPA3123D2PWP
Spiegazioni elettronici  25-W STEREO CLASS-D AUDIO POWER AMPLIFIER
Download  29 Pages
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Produttore elettronici  TI [Texas Instruments]
Homepage  http://www.ti.com
Logo TI - Texas Instruments

TPA3123D2PWP Scheda tecnica(HTML) 1 Page - Texas Instruments

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FEATURES
APPLICATIONS
DESCRIPTION
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
SLOS541A – JULY 2007 – REVISED AUGUST 2007
25-W STEREO CLASS-D AUDIO POWER AMPLIFIER
• Televisions
• 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
• 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
bridge-tied speaker. The TPA3123D2 can drive
• Internal Oscillator (No External Components
stereo speakers as low as 4
Ω. The efficiency of the
TPA3123D2 eliminates the need for an external heat
Required)
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
• Pin-to-Pin compatible with TPA3120D2
additional circuitry.
• Advanced Power-Off Pop Reduction
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.
System Two, Audio Precision are trademarks of Audio Precision, Inc.
PRODUCTION DATA information is current as of publication date.
Copyright © 2007, 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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