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TPA6101A2_07

更新时间： 2024-11-25 03:58:47
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
19页 500K
描述
50-mW ULTRALOW-VOLTAGE, FIXED-GAIN STEREO HEADPHONE AUDOI POWER AMPLIFIER

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TPA6101A2_07 数据手册

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SLOS331C − AUGUST 2000 − REVISED MARCH 2007  
D or DGK PACKAGE  
(TOP VIEW)  
D
D
D
D
D
D
D
D
D
D
Minimal External Components Required  
1.6-V to 3.6-V Supply Voltage Range  
50-mW Stereo Output  
BYPASS  
GND  
IN1−  
1
2
3
4
8
7
6
5
V 1  
O
V
DD  
V 2  
O
Low Supply Current . . . 0.75 mA  
Low Shutdown Current . . . 50 nA  
Gain Set Internally to 2 dB  
SHUTDOWN  
IN2−  
Pop Reduction Circuitry  
ZQY PACKAGE  
(TOP VIEW)  
Internal Mid-Rail Generation  
Thermal and Short-Circuit Protection  
(A1)  
(A4)  
(B4)  
(C4)  
(D4)  
Surface-Mount Packaging  
BYPASS  
GND  
IN1−  
V 1  
− 3-mm y 5-mm MSOP Package (DGN)  
(B1)  
(C1)  
(D1)  
O
− 5-mm y 6-mm SOIC Package (D)  
− 2,5-mm y 2,5-mm MicroStar JuniorE BGA  
SHUTDOWN  
IN2−  
V
DD  
Package (ZQY)  
V 2  
O
GND  
description  
The TPA6101A2 is a stereo audio power amplifier packaged in an 8-pin SOIC package, an 8-pin MSOP  
package, or a 15-ball BGA package, capable of delivering 50 mW of continuous RMS power per channel into  
16-Ω loads. Amplifier gain is internally set to 2 dB (inverting) to save board space by eliminating six external  
resistors.  
The TPA6101A2 is optimized for battery applications because of its low supply current, shutdown current, and  
THD+N. To obtain the low-supply-voltage range, the TPA6101A2 biases BYPASS to V /4.  
DD  
When driving a 16-Ω load with 40-mW output power from 3.3 V, THD+N is 0.08% at 1 kHz, and less than 0.2%  
across the audio band of 20 Hz to 20 kHz. For 30 mW into 32-Ω loads, the THD+N is reduced to less than 0.06%  
at 1 kHz, and is less than 0.3% across the audio band of 20 Hz to 20 kHz.  
typical application circuit  
V
V
DD  
V
DD  
R
80 kΩ  
F
C
V
/4  
S
DD  
R
Audio  
Input  
IN1−  
I
1
O
−
+
80 kΩ  
80 kΩ  
C
I
C
C
C
C
BYPASS  
R
C
I
B
Audio  
Input  
80 kΩ  
IN2−  
V
2
−
+
O
C
I
80 kΩ  
From Shutdown  
Control Circuit  
SHUTDOWN  
Bias  
Control  
R
80 kΩ  
F
NOTE: All internal resistor  
values are 20%.  
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.  
MicroStar BGA is a trademark of Texas Instruments.  
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Copyright 2007, Texas Instruments Incorporated  
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1
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265  
1234567...19

中文翻译

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