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TPA032D02_07

更新时间： 2024-09-21 03:58:51
品牌 Logo 应用领域
德州仪器 - TI 放大器功率放大器
页数 文件大小 规格书
26页 561K
描述
10-W STEREO CLASS-D AUDIO POWER AMPLIFIER

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TPA032D02_07 数据手册

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SLOS243B − DECEMBER 1999 − REVISED JUNE 2000  
DCA PACKAGE  
(TOP VIEW)  
D
Extremely Efficient Class-D Stereo  
Operation  
D
D
D
D
D
D
Drives L and R Channels  
1
48  
47  
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SHUTDOWN  
MUTE  
COSC  
AGND  
AGND  
RINN  
2
10-W BTL Output Into 4 Ω From 12 V  
32-W Peak Music Power  
3
AGND  
LINN  
LINP  
LCOMP  
AGND  
4
Fully Specified for 12-V Operation  
Low Shutdown Current  
5
RINP  
6
RCOMP  
FAULT0  
FAULT1  
7
Thermally-Enhanced PowerPADSurface-  
Mount Packaging  
8
V
DD  
9
LPV  
RPV  
DD  
DD  
D
Thermal and Under-Voltage Protection  
10  
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LOUTP  
LOUTP  
PGND  
PGND  
LOUTN  
LOUTN  
ROUTP  
ROUTP  
PGND  
PGND  
ROUTN  
ROUTN  
description  
The TPA032D02 is a monolithic power IC stereo  
audio amplifier that operates in extremely efficient  
Class-D operation, using the high switching speed  
of power DMOS transistors to replicate the analog  
input signal through high-frequency switching of  
the output stage. This allows the TPA032D02 to  
be configured as a bridge-tied load (BTL) amplifier  
capable of delivering up to 10 W of continuous  
average power into a 4-Ω load at 0.5% THD+N  
from a 12-V power supply in the high-fidelity audio  
frequency range (20 Hz to 20 kHz). A BTL  
configuration eliminates the need for external  
coupling capacitors on the output. A chip-level  
shutdown control is provided to limit total supply  
current to 20 µA, making the device ideal for  
battery-powered applications.  
LPV  
RPV  
DD  
DD  
V
REG  
NC  
V
CC  
NC  
NC  
CC  
NC  
AGND  
PV  
V2P5  
PV  
DD  
DD  
VCP  
NC  
CP1  
PGND  
NC  
CP2  
NC − No internal connection  
The output stage is compatible with a range of power supplies from 8 V to 14 V. Protection circuitry is included  
to increase device reliability: thermal and under-voltage shutdown, with a status feedback terminal for use when  
any error condition is encountered.  
The high switching frequency of the TPA032D02 allows the output filter to consist of three small capacitors and  
two small inductors per channel. The high switching frequency also allows for good THD+N performance.  
The TPA032D02 is offered in the thermally enhanced 48-pin PowerPADTSSOP surface-mount package  
(designator DCA).  
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.  
PowerPAD is a trademark of Texas Instruments.  
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Copyright 2000, Texas Instruments Incorporated  
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1
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265  
1234567...26

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