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TPA112

更新时间： 2024-11-07 22:42:03
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
28页 472K
描述
150-mW STEREO AUDIO POWER AMPLIFIER

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TPA112 数据手册

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TPA112  
150-mW STEREO AUDIO POWER AMPLIFIER  
SLOS212C – AUGUST 1998 – REVISED MARCH 2000  
D OR DGN PACKAGE  
(TOP VIEW)  
150-mW Stereo Output  
Wide Range of Supply Voltages  
– Fully Specified for 3.3 V and 5 V  
Operation  
V 1  
O
V
DD  
1
2
3
4
8
7
6
5
IN1–  
IN1+  
GND  
V 2  
O
– Operational From 2.5 V to 5.5 V  
IN2–  
IN2+  
Thermal and Short-Circuit Protection  
Surface Mount Packaging  
– PowerPAD MSOP  
– SOIC  
Standard Operational Amplifier Pinout  
description  
The TPA112 is a stereo audio power amplifier packaged in an 8-pin PowerPAD MSOP package capable of  
delivering 150 mW of continuous RMS power per channel into 8-Ω loads. Amplifier gain is externally configured  
by means of two resistors per input channel and does not require external compensation for settings of 1 to 10.  
THD+N when driving an 8-Ω load from 5 V is 0.1% at 1 kHz, and less than 2% across the audio band of 20 Hz  
to 20 kHz. For 32-Ω loads, the THD+N is reduced to less than 0.06% at 1 kHz, and is less than 1% across the  
audiobandof20Hzto20kHz. For10-kΩ loads, theTHD+Nperformanceis0.01%at1kHz, andlessthan0.02%  
across the audio band of 20 Hz to 20 kHz.  
functional block diagram  
R
F
V
8
1
DD  
V
DD  
Short-Circuit  
Protection  
C
C
I
I
R
R
I
L
L
–
+
IN  
C
IN1–  
IN1+  
C
2
3
V
1
2
O
O
I
IN  
R
R
C
O
R
R
F
F
To Headphone  
Jack  
V
DD/2  
(See TPA152)  
C
C
I
I
R
I
IN2–  
IN2+  
6
5
C
C
R
R
–
+
IN  
V
7
4
R
R
R
O
C
I
IN  
Over-Temperature  
Protection  
R
F
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.  
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  
1234567...28

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TPA112 替代型号

型号 品牌 替代类型 描述 数据表
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