參數(shù)資料
型號(hào)： TPA3125D2N
廠商： TEXAS INSTRUMENTS INC
元件分類： 音頻／視頻放大
英文描述： 36 W, 2 CHANNEL, AUDIO AMPLIFIER, PDIP20
封裝： ROHS COMPLIANT, PLASTIC, DIP-20
文件頁(yè)數(shù)： 1/26頁(yè)
文件大?。?/td> 467K
代理商： TPA3125D2N
1
FEATURES
APPLICATIONS
DESCRIPTION
1 F
m
SD
MuteControl
PVCCL
TPA3125D2
SIMPLIFIED APPLICATIONCIRCUIT
PVCCR
VCLAMP
GAIN1
BYPASS
1 F
m
1 F
m
0.22 F
m
AGND
LeftChannel
RightChannel
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
www.ti.com ........................................................................................................................................................................................... SLOS611 – DECEMBER 2008
10-W STEREO CLASS-D AUDIO POWER AMPLIFIER
Flat Panel Televisions
234
10-W/Ch (stereo SE) into an 8- Load From a
24-V Supply
DLP TVs
CRT TVs
20-W/Ch (mono BTL) into an 8- Load from a
24-V Supply
Powered Speakers
Operates From 10 V to 26 V
Operates From +24 V LCD Backlight Supply
The TPA3125D2 is a 10-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
Single-Ended Analog Inputs
TPA3125D2 can drive stereo speakers as low as 4
.
The efficiency of the TPA3125D2 eliminates the need
Thermal and Short-Circuit Protection With
for an external heat sink when playing music. The
Auto Recovery
gain of the amplifier is controlled by two gain select
20-Pin DIP Package
pins. The gain selections are 20, 26, 32, and 36 dB.
Advanced Power-Off Pop Reduction
The patented start-up and shutdown sequences
minimize pop noise in the speakers without additional
circuitry.
The
thru-hole
package
allows
placement
on
single-sided printed circuit boards.
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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