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TPA6030A4_07 PDF预览

TPA6030A4_07

更新时间: 2024-11-04 03:58:47
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德州仪器 - TI 放大器功率放大器
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描述
3-2 STEREO AUDIO POWER AMPLIFIER WITH ADVANCED DC VOLUME CONTROL

TPA6030A4_07 数据手册

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www.ti.com  
TPA6030A4  
SLOS395B DECEMBER 2002 REVISED JANUARY 2005  
3-W STEREO AUDIO POWER AMPLIFIER  
WITH ADVANCED DC VOLUME CONTROL  
FEATURES  
DESCRIPTION  
The TPA6030A4 is designed to drive 3 W into 16-Ω  
D
D
3 W Into 16 From 12-V Supply  
speakers using a surface-mount package without the need  
for an external heatsink. These features make it ideal for  
15I17I LCD monitors, small multimedia speakers, and  
notebook computers.  
Volume Control for Speakers (BTL) and  
Headphones (SE)  
D
D
D
D
Differential Inputs  
To simplify system design, the speaker volume level is  
adjusted by applying a dc voltage to the VOLUME  
terminal. The delta between speaker volume and  
headphone volume can be adjusted by applying a dc  
voltage to the SEDIFF terminal. To avoid an unexpected  
high volume level through the headphones, a third  
terminal, SEMAX, limits the headphone volume level  
when a dc voltage is applied. Integrated depop circuitry  
and the fully differential design minimize pops, clicks, and  
unwanted noise to provide a high level of audio  
performance.  
Depop Circuitry  
1 µA Shutdown Current  
Surface-Mount Package  
APPLICATIONS  
D
D
D
LCD Monitors and LCD TVs  
Multimedia Speakers  
The device is available in a 28-pin TSSOP PowerPAD  
package. The PowerPADpackage is designed to  
transfer heat into the ground plane, eliminating the need  
for external heat sinks—minimizing solution cost and size.  
Notebook Computers  
VCC = 12V  
0.47 µF  
RIN1+  
From TV  
R
1 µF  
10 µF  
RIN2+  
Mux  
16 Ω  
From CD  
Player  
0.47 µF  
Rout +  
Rout  
PVcc  
+
Depop  
Circuitry  
VCC/2  
0.47 µF  
RIN1−  
From TV  
R
PVcc  
Vcc  
RIN2−  
Mux  
220 µF  
From CD  
Player  
0.47 µF  
100 kΩ  
Gnd  
Power  
1 kΩ  
System  
Control  
0.47 µF  
IN2/IN1  
Input Mux  
Control  
Management  
Bypass  
System  
Control  
VOLUME  
SEDIFF  
SEMAX  
CLK  
From DAC or  
32Step  
Shutdown  
Output Mode  
Control  
Potentiometers  
(DC Voltage)  
Volume  
Control  
To Potentiometers  
or DAC reference  
1 kΩ  
5VREF  
SE/BTL  
220 µF  
0.47 µF  
LIN1+  
LIN2+  
100 kΩ  
From TV  
L
Mux  
From CD  
Player  
0.47 µF  
47 nF  
+
Lout +  
VCC/2  
Lout −  
0.47 µF  
0.47 µF  
LIN1−  
LIN2−  
L
From TV  
16 Ω  
Mux  
From CD  
Player  
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.  
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.  
Copyright 2003, Texas Instruments Incorporated  

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