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TPA3112D1PWPR

更新时间： 2024-11-20 08:40:15
品牌 Logo 应用领域
德州仪器 - TI 消费电路商用集成电路音频放大器视频放大器功率放大器光电二极管LTEPC
页数 文件大小 规格书
27页 842K
描述
25-W FILTER-FREE MONO CLASS-D AUDIO POWER AMPLIFIER with SPEAKER GUARD?

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中文翻译

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TPA3112D1PWPR 技术参数

是否无铅：不含铅是否Rohs认证：符合
生命周期：Active零件包装代码：SSOP
包装说明：HTSSOP, TSSOP28,.25针数：28
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.33.00.01Factory Lead Time：6 weeks
风险等级：0.82Samacsys Confidence：3
Samacsys Status：ReleasedSamacsys PartID：321826
Samacsys Pin Count：29Samacsys Part Category：Integrated Circuit
Samacsys Package Category：Small Outline PackagesSamacsys Footprint Name：PWP (R-PDSO-G28)-
Samacsys Released Date：2017-01-12 12:59:53Is Samacsys：N
标称带宽：22 kHz商用集成电路类型：AUDIO AMPLIFIER
JESD-30 代码：R-PDSO-G28JESD-609代码：e4
长度：9.7 mm湿度敏感等级：3
信道数量：1功能数量：1
端子数量：28最高工作温度：85 °C
最低工作温度：-40 °C标称输出功率：25 W
封装主体材料：PLASTIC/EPOXY封装代码：HTSSOP
封装等效代码：TSSOP28,.25封装形状：RECTANGULAR
封装形式：SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH峰值回流温度（摄氏度）：260
电源：12/24 V认证状态：Not Qualified
座面最大高度：1.2 mm子类别：Audio/Video Amplifiers
最大供电电压 (Vsup)：26 V最小供电电压 (Vsup)：8 V
表面贴装：YES技术：CMOS
温度等级：INDUSTRIAL端子面层：Nickel/Palladium/Gold (Ni/Pd/Au)
端子形式：GULL WING端子节距：0.65 mm
端子位置：DUAL处于峰值回流温度下的最长时间：NOT SPECIFIED
宽度：4.4 mmBase Number Matches：1

TPA3112D1PWPR 数据手册

 浏览型号TPA3112D1PWPR的Datasheet PDF文件第2页浏览型号TPA3112D1PWPR的Datasheet PDF文件第3页浏览型号TPA3112D1PWPR的Datasheet PDF文件第4页浏览型号TPA3112D1PWPR的Datasheet PDF文件第5页浏览型号TPA3112D1PWPR的Datasheet PDF文件第6页浏览型号TPA3112D1PWPR的Datasheet PDF文件第7页 
TPA3112D1  
www.ti.com  
SLOS654A –SEPTEMBER 2009–REVISED JULY 2010  
25-W FILTER-FREE MONO CLASS-D AUDIO POWER AMPLIFIER with SPEAKER GUARD™  
Check for Samples: TPA3112D1  
1
FEATURES  
DESCRIPTION  
2
•
25-W into an 8-Ω Load at < 0.1% THD+N From  
a 24V Supply  
The TPA3112D1 is a 25-W efficient, Class-D audio  
power amplifier for driving a bridge tied speaker.  
Advanced EMI Suppression Technology enables the  
use of inexpensive ferrite bead filters at the outputs  
while meeting EMC requirements. SpeakerGuard™  
speaker protection system includes an adjustable  
•
•
•
20-W into an 4-Ω Load at 10% THD+N From a  
12-V Supply  
94% Efficient Class-D Operation into 8-Ω Load  
Eliminates Need for Heat Sinks  
Wide Supply Voltage Range Allows Operation  
from 8 to 26 V  
power limiter and  
a DC detection circuit. The  
adjustable power limiter allows the user to set a  
"virtual" voltage rail lower than the chip supply to limit  
the amount of current through the speaker. The DC  
detect circuit measures the frequency and amplitude  
of the PWM signal and shuts off the output stage if  
the input capacitors are damaged or shorts exist on  
the inputs.  
•
•
Filter-Free Operation  
SpeakerGuard™ Speaker Protection Includes  
Adjustable Power Limiter plus DC Protection  
•
•
Flow Through Pin Out Facilitates Easy Board  
Layout  
Robust Pin-to-Pin Short Circuit Protection and  
Thermal Protection with Auto-Recovery Option  
The TPA3112D1 can drive a mono speaker as low as  
4Ω. The high efficiency of the TPA3112D1, > 90%,  
eliminates the need for an external heat sink when  
playing music.  
•
•
•
Excellent THD+N/ Pop Free Performance  
Four Selectable, Fixed Gain Settings  
Differential Inputs  
The outputs are fully protected against shorts to  
GND, VCC, and output-to-output. The short-circuit  
protection and thermal protection includes an  
auto-recovery feature.  
APPLICATIONS  
•
Televisions  
•
Consumer Audio Equipment  
1uF  
OUT+  
INP  
INN  
TPA3112D1  
Audio  
Source  
-
OUT  
OUTP  
OUTN  
25W  
8Ω  
GAIN0  
GAIN1  
PLIMIT  
Fault  
SD  
PVCC  
8 to 26V  
Figure 1. Simplified Application Diagram  
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
SpeakerGuard is a trademark of Texas Instruments.  
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
Copyright © 2009–2010, Texas Instruments Incorporated  
 
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TPA3112D1PWPR 替代型号

型号 品牌 替代类型 描述 数据表
TPA3112D1PWP TI

完全替代

 25-W FILTER-FREE MONO CLASS-D AUDIO POWER AMPLIFIER with SPEAKER GUARD?
TPA3111D1PWP TI

类似代替

 10-W mono, 8- to 26-V supply, analog input Class-D audio amplifier w/ filter free &amp
TPA3111D1PWPR TI

类似代替

 10-W FILTER-FREE MONO CLASS-D AUDIO POWER AMP

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