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TPA3116D2_15

更新时间： 2024-11-22 02:58:35
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德州仪器 - TI /
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34页 1438K
描述
Filter-Free Class-D Stereo Amplifier Family

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TPA3116D2_15 数据手册

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TPA3116D2  
TPA3118D2  
TPA3130D2  
www.ti.com  
SLOS708B –APRIL 2012–REVISED MAY 2012  
15W,30W,50W Filter-Free Class-D Stereo Amplifier Family with AM Avoidance  
Check for Samples: TPA3116D2 , TPA3118D2, TPA3130D2  
1
FEATURES  
DESCRIPTION  
The TPA31xxD2 series are stereo efficient, digital  
amplifier power stage for driving speakers up to  
100W/2Ω in mono. The high efficiency of the  
TPA3130D2 allows it to do 2x15W without external  
heat sink on a single layer PCB. The TPA3118D2 can  
even run 2x30W/8Ω without heat sink on a dual layer  
PCB. If even higher power is needed the TPA3116D2  
does 2x50W/4Ω with a small heat-sink attached to its  
top side PowerPad. All three devices share the same  
footprint enabling a single PCB to be used across  
different power levels.  
•
Supports Multiple Output Configurations  
–
–
–
2×50-W into a 4-Ω BTL Load at 21 V  
(TPA3116D2)  
2×30-W into a 8-Ω BTL Load at 24 V  
(TPA3118D2)  
2×15-W into a 8-Ω BTL Load at 15 V  
(TPA3130D2)  
•
•
Wide Voltage Range: 4.5 V – 26 V  
Efficient Class-D Operation  
–
>90% Power Efficiency Combined with Low  
Idle Loss Greatly Reduces Heat Sink Size  
The TPA31xxD2 advanced oscillator/PLL circuit  
employs a multiple switching frequency option to  
avoid AM interferences; this is achieved together with  
an option of Master/Slave option, making it possible  
to synchronize multiple devices.  
–
Advanced Modulation Schemes  
•
Multiple Switching Frequencies  
–
–
–
AM Avoidance  
The TPA31xxD2 devices are fully protected against  
faults with short-circuit protection and thermal  
protection as well as over-voltage, under-voltage and  
DC protection. Faults are reported back to the  
processor to prevent devices from being damaged  
during overload conditions.  
Master/Slave Synchronization  
Up to 1.2 MHz Switching Frequency  
•
Feedback Power Stage Architecture with High  
PSRR Reduces PSU Requirements  
•
•
•
Programmable Power Limit  
Differential/Single-Ended Inputs  
Simplified Application Circuit  
Stereo and Mono Mode with Single Filter Mono  
Configuration  
4.5 V-26 V  
PSU  
Audio Processor  
TPA3116D2  
And control  
Tuner AM/FM  
Right  
•
•
Single Power Supply Reduces Component  
Count  
PBTL  
Detect  
Left  
Right  
Left  
LC Filter  
LC Filter  
CD/ MP3  
Aux in  
SDZ  
MUTE  
Integrated Self-Protection Circuits Including  
Over-Voltage, Under-Voltage, Over-  
Temperature, DC-Detect, and Short Circuit  
with Error Reporting  
FAULTZ  
AM/FM Avoidance  
Control  
AM2,1,0  
GAIN control and Master /Slave setting  
Power Limit  
GAIN/SLV  
PLIMIT  
Sync  
Capable of synchronizing to other devices  
•
•
Thermally Enhanced Packages  
–
–
DAD (32-pin HTSSOP Pad-up)  
DAP (32-pin HTSSOP Pad-down)  
DEVICE  
POWER  
HTSSOP 32-PIN  
Pad down (DAP)  
Pad down (DAP)  
Pad up (DAD)  
TPA3130D2  
TPA3118D2  
TPA3116D2  
2 x 15W/8Ω  
2 x 30W/8Ω  
2 x 50W/4Ω  
–40°C to 85°C Ambient Temperature Range  
APPLICATIONS  
•
•
•
•
Mini-Micro Component, Speaker Bar, Docks  
After-Market Automotive  
CRT TV  
Consumer Audio Applications  
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.  
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 © 2012, Texas Instruments Incorporated  
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