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TPA2012D2RTJ

更新时间： 2024-11-21 03:58:47
品牌 Logo 应用领域
德州仪器 - TI 放大器功率放大器LTE
页数 文件大小 规格书
20页 758K
描述
2.1 W/CH STEREO FILTER-FREE CLASS-D AUDIO POWER AMPLIFIER

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TPA2012D2RTJ 数据手册

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TPA2012D2  
YZH  
RTJ  
www.ti.com  
SLOS438C–DECEMBER 2004–REVISED MARCH 2007  
2.1 W/CH STEREO FILTER-FREE CLASS-D AUDIO POWER AMPLIFIER  
FEATURES  
APPLICATIONS  
•
•
•
•
•
•
•
Wireless or Cellular Handsets and PDAs  
Portable DVD Player  
Notebook PC  
Portable Radio  
Portable Gaming  
•
Output Power By Package:  
–
QFN:  
–
–
–
2.1 W/Ch Into 4 Ω at 5 V  
1.4 W/Ch Into 8 Ω at 5 V  
720 mW/Ch Into 8 Ω at 3.6 V  
Educational Toys  
USB Speakers  
–
WCSP:  
–
–
–
1.2 W/Ch Into 4 Ω at 5 V(1)  
1.3 W/Ch Into 8 Ω at 5 V  
DESCRIPTION  
720 mW/Ch Into 8 Ω at 3.6 V  
The TPA2012D2 is a stereo, filter-free, Class-D  
audio amplifier (class-D amp) available in a WCSP,  
QFN, or PWP package. The TPA2012D2 only  
requires two external components for operation.  
•
•
•
Only Two External Components Required  
Power Supply Range: 2.5 V to 5.5 V  
Independent Shutdown Control for Each  
Channel  
The TPA2012D2 features independent shutdown  
controls for each channel. The gain can be selected  
to 6, 12, 18, or 24 dB utilizing the G0 and G1 gain  
select pins. High PSRR and differential architecture  
provide increased immunity to noise and RF  
rectification. In addition to these features, a fast  
startup time and small package size make the  
TPA2012D2 class-D amp an ideal choice for both  
cellular handsets and PDAs.  
•
•
•
•
•
•
•
•
Selectable Gain of 6, 12, 18, and 24 dB  
Internal Pulldown Resistor On Shutdown Pins  
High PSRR: 77 dB at 217 Hz  
Fast Startup Time (3.5 ms)  
Low Supply Current  
Low Shutdown Current  
Short-Circuit and Thermal Protection  
Space Saving Packages  
–
2,01 mm X 2,01 mm NanoFree™ WCSP  
(YZH)  
–
4 mm X 4 mm Thin QFN (RTJ) with  
PowerPAD™  
(1)  
Thermally limited  
2.50  
WCSP Thermally Limited Region  
V
= 2.5 V, 1%  
DD  
2
1.50  
1
V
= 2.5 V, 10%  
DD  
V
= 3.6 V, 1%  
DD  
V
= 3.6 V, 10%  
DD  
V
= 5 V, 1%  
DD  
V
= 3.6 V, 10%  
DD  
0.50  
0
4
9
14  
19  
24  
29  
34  
R
L
− Load Resistance − W  
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.  
NanoFree, PowerPAD are trademarks 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 © 2004–2007, Texas Instruments Incorporated  
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TPA2012D2RTJ 替代型号

型号 品牌 替代类型 描述 数据表
TPA2012D2RTJT TI

完全替代

 2.1 W/CH STEREO FILTER-FREE CLASS-D AUDIO POWER AMPLIFIER
TPA2012D2RTJR TI

完全替代

 2.1 W/CH STEREO FILTER-FREE CLASS-D AUDIO POWER AMPLIFIER
TPA2012D2RTJRG4 TI

完全替代

 2.1 W/CH STEREO FILTER-FREE CLASS-D AUDIO POWER AMPLIFIER

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