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參數(shù)資料
| 型號： | TPA6139A2PW |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 0.025 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO14 |
| 封裝： | GREEN, PLASTIC, TSSOP-14 |
| 文件頁數(shù)： | 4/19頁 |
| 文件大?。?/td> | 467K |
| 代理商： | TPA6139A2PW |
OUT_LEFT
IN_LEFT
+3.3V
OUT_RIGHT
IN_RIGHT
MUTE
OUT_LEFT
IN_LEFT
+3.3V
OUT_RIGHT
IN_RIGHT
GND
C15
1 F
m
2
1
U11
T
P
A
6139A2PW
U11
-IN_L
1
OUT_L
2
GND
3
MUTE
4
VSS
5
CN
6
NC
8
GND
11
GAIN
12
OUT_R
13
-IN_R
14
NC
7
CP
9
VDD
10
C25
1 F
m
2
1
1 F
m
C1
2
1
C23
2
1
C14
1
uF
C14
1
uF
2
1
C11 2.2 F
m
2
1
C24
2
1
C21
2
1
C12
2
1
C22
2
1
U21
TPA6139A2RGT
U21
OUT_L
1
GND
2
GND
3
4
VSS
5
CN
6
CP
8
GAIN
11
OUT_R
12
-IN_R
13
NC
14
NC
7
VDD
9
GND
10
NC
15
-IN_L
16
R11
49 kW
1
2
R21
1
2
2.2 F
m
MUTE
2.2 F
m
2.2 F
m
49 kW
1 F
m
1 F
m
MUTE
SLOS700A
– JANUARY 2011 – REVISED MAY 2011
CAPACITIVE LOAD
The TPA6139A2 has the ability to drive a high capacitive load up to 220 pF directly. Higher capacitive loads can
be accepted by adding a series resistor of 47
or larger for the line driver output.
LAYOUT RECOMMENDATIONS
A proposed layout for the TPA6139A2 can be seen in the TPA6139A2EVM User's Guide (SLOU248), and the
Gerber files can be downloaded from http://focus.ti.com/docs/toolsw/folders/print/TPA6139A2evm.html. To
access this information, open the TPA6139A2 product folder and look in the Tools and Software folder.
Ground traces are recommended to be routed as a star ground to minimize hum interference. VDD, VSS
decoupling capacitors and the charge pump capacitors should be connected with short traces.
PIN COMPATIBLE WITH THE DRV612
The TPA6139A2 stereo Headphone amplifier is pin compatible with the DRV612 . A single PCB layout can
therefore be used with stuffing options for different board configurations.
APPLICATION CIRCUIT
Figure 11. Single Ended Input and Output, Gain Set to
–1.5x
12
Copyright
2011, Texas Instruments Incorporated
Product Folder Link(s) :TPA6139A2
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TPA6139A2PW | 制造商:Texas Instruments 功能描述:HEADPHONE AMPLFIER IC STEREO 32OHM 25 |
| TPA6139A2PWR | 功能描述:音頻放大器 25mW Headphone Amp RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| TPA6139A2RGTR | 功能描述:音頻放大器 DirectPath 25mW Headphone Amp RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| TPA6139A2RGTT | 功能描述:音頻放大器 DirectPath 25mW Headphone Amp RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| TPA6140A2 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:CLASS-G DIRECTPATH? STEREO HEADPHONE AMPLIFIER WITH I2C VOLUME CONTROL |
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