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参数资料
| 型号： | TPA3121D2PWPR |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 音频／视频放大 |
| 英文描述： | AUDIO AMPLIFIER, PDSO24 |
| 封装： | PLASTIC, HTSSOP-24 |
| 文件页数： | 1/30页 |
| 文件大小： | 749K |
| 代理商： | TPA3121D2PWPR |
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1 F
m
SD
MuteControl
PVCCL
TPA3121D2
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
0.22 F
m
470 F
m
0.22 F
m
1 F
m
470 F
m
GAIN0
AVCC
MUTE
ROUT
LOUT
S0267-01
www.ti.com
SLOS537A – MAY 2008 – REVISED AUGUST 2010
15-W STEREO CLASS-D AUDIO POWER AMPLIFIER
Check for Samples: TPA3121D2
1
FEATURES
APPLICATIONS
Flat Panel Display TVs
23
10-W/Ch Stereo Into an 8-
Load From a 24-V
Supply
DLP TVs
CRT TVs
15-W/Ch Stereo Into a 4-
Load from a 22-V
Supply
Powered Speakers
30-W/Ch Mono Into an 8-
Load from a 22-V
DESCRIPTION
Supply
Operates From 10 V to 26 V
The TPA3121D2 is a 15-W (per channel), efficient,
class-D audio power amplifier for driving stereo
Can Run From +24 V LCD Backlight Supply
speakers in a single-ended configuration or a mono
Efficient Class-D Operation Eliminates Need
speaker in a bridge-tied-load configuration. The
for Heat Sinks
TPA3121D2 can drive stereo speakers as low as 4
.
Four Selectable, Fixed-Gain Settings
The efficiency of the TPA3121D2 eliminates the need
for an external heat sink when playing music.
Internal Oscillator to Set Class D Frequency
(No External Components Required)
The gain of the amplifier is controlled by two gain
select pins. The gain selections are 20, 26, 32, and
Single-Ended Analog Inputs
36 dB.
Thermal and Short-Circuit Protection With
Auto Recovery
The patented start-up and shutdown sequences
minimize pop noise in the speakers without additional
Space-Saving Surface Mount 24-Pin TSSOP
circuitry.
Package
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
DLP is a registered trademark of Texas Instruments.
3
System Two, Audio Precision are trademarks of Audio Precision, Inc.
PRODUCTION DATA information is current as of publication date.
Copyright 2008–2010, 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.
相关PDF资料 |
PDF描述 |
|---|---|
| TPA3122D2N | 15 W, 2 CHANNEL, AUDIO AMPLIFIER, PDIP20 |
| TPA3123D2PWPG4 | 25 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO24 |
| TPA3123D2PWPRG4 | 25 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO24 |
| TPA3123D2PWPR | 25 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO24 |
| TPA3123D2PWP | 25 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO24 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| TPA3121D2PWPRG4 | 功能描述:音频放大器 15W Stereo Class-D Aud Pwr Amp RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel |
| TPA3122D2 | 制造商:TI 制造商全称:Texas Instruments 功能描述:15-W STEREO CLASS-D AUDIO POWER AMPLIFIER |
| TPA3122D2EVM | 功能描述:音频 IC 开发工具 TPA3122D2EVM Eval Mod RoHS:否 制造商:Texas Instruments 产品:Evaluation Kits 类型:Audio Amplifiers 工具用于评估:TAS5614L 工作电源电压:12 V to 38 V |
| TPA3122D2N | 功能描述:音频放大器 15W STEREO CLASS-D AUDIO POWER AMP RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel |
| TPA3123D2 | 制造商:TI 制造商全称:Texas Instruments 功能描述:25-W STEREO CLASS-D AUDIO POWER AMPLIFIER |
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