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TPA005D12 PDF预览

TPA005D12

更新时间： 2024-11-07 22:19:19
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
8页 121K
描述
2-W STEREO CLASS-D AUDIO POWER AMPLIFIER

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TPA005D12 数据手册

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TPA005D12  
2-W STEREO CLASS-D AUDIO POWER AMPLIFIER  
SLOS241B – AUGUST 1999 – REVISED MARCH 2000  
DCA PACKAGE  
(TOP VIEW)  
NOT RECOMMENDED FOR NEW DESIGNS  
Choose TPA2000D2 For Upgrade  
1
48  
47  
46  
45  
44  
43  
42  
41  
40  
39  
38  
37  
36  
35  
34  
33  
32  
31  
30  
29  
28  
27  
26  
25  
SHUTDOWN  
MUTE  
COSC  
AGND  
AGND  
RINN  
Extremely Efficient Class-D Stereo  
Operation  
2
3
AGND  
LINN  
LINP  
LCOMP  
AGND  
Drives L and R Channels  
2-W BTL Output Into 4 Ω  
5-W Peak Music Power  
4
5
RINP  
6
RCOMP  
FAULT0  
FAULT1  
7
Fully Specified for 5-V Operation  
Low Quiescent Current  
8
V
LPV  
DD  
DD  
9
RPV  
DD  
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
23  
24  
LOUTP  
LOUTP  
PGND  
PGND  
LOUTN  
LOUTN  
ROUTP  
ROUTP  
PGND  
PGND  
ROUTN  
ROUTN  
Shutdown Control . . . 0.2 µA  
Thermally-Enhanced PowerPAD Surface-  
Mount Packaging  
Thermal, Over-Current, and Under-Voltage  
Protection  
LPV  
RPV  
NC  
DD  
DD  
description  
NC  
NC  
NC  
The TPA005D12 is a monolithic power IC stereo  
audio amplifier that operates in extremely efficient  
Class-Doperation, usingthehighswitchingspeed  
of power DMOS transistors to replicate the analog  
input signal through high-frequency switching of  
the output stage. This allows the TPA005D12 to  
beconfiguredasabridge-tiedload(BTL)amplifier  
capable of delivering up to 2 W of continuous  
average power into a 4-Ω load at 0.5% THD+N  
from a 5-V power supply in the high-fidelity audio  
NC  
NC  
AGND  
V2P5  
PV  
PV  
DD  
DD  
VCP  
CP3  
CP2  
PGND  
CP4  
CP1  
NC – No internal connection  
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 quiescent current to 0.2 µA, making the  
device ideal for battery-powered applications.  
A full range of protection circuitry is included to increase device reliability: thermal, over-current, and  
under-voltage shutdown, with two status feedback terminals for use when any error condition is encountered.  
The high switching frequency of the TPA005D12 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 TPA005D12 is offered in the thermally enhanced 48-pin PowerPAD TSSOP surface-mount package  
(designator DCA).  
AVAILABLE OPTIONS  
PACKAGED DEVICES  
†
T
A
TSSOP  
(DCA)  
–40°C to 125°C  
TPA005D12DCA  
†
The DCA package is available in left-ended tape and reel. To order  
a taped and reeled part, add the suffix R to the part number (e.g.,  
TPA005D12DCAR).  
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 Incorporated.  
Copyright 2000, Texas Instruments Incorporated  
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of Texas Instruments  
standard warranty. Production processing does not necessarily include  
testing of all parameters.  
1
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265  
12345678

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