參數(shù)資料
型號: TPA6138A2PWR
廠商: TEXAS INSTRUMENTS INC
元件分類: 音頻/視頻放大
英文描述: 0.04 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO14
封裝: GREEN, PLASTIC, TSSOP-14
文件頁數(shù): 3/18頁
文件大?。?/td> 436K
代理商: TPA6138A2PWR
R3
C1
RIGHT
INPUT
+
LEFT
INPUT
LEFT OUTPUT
RIGHT OUTPUT
3.3-V Supply
C2
C1
R3
R2
R1
R3
+
C2
R3
R1
1mF
R2
C1
R2
C1
1mF
Linear
Low-Dropout
Regulator
R11
R12
10 mF
System Supply
C3
Headphone
Driver
Headphone
Driver
Short-Circuit
Protection
Click and Pop
Suppression
Bias
Circuitry
+INR
–INR
TPA6138A2
–INL
OUTL
UVP
+INL
GND
VDD
CP
CN
MUTE
VSS
GND
OUTR
SLOS704A
– JANUARY 2011 – REVISED MAY 2011
LAYOUT RECOMMENDATIONS
A proposed layout for the TPA6138A2 can be seen in the TPA6138A2EVM User's Guide, and the Gerber files
can be downloaded from http://www.ti.com. To access this information, open the TPA6138A2 product folder and
look in the Tools and Software folder.
GAIN-SETTING RESISTORS
The gain-setting resistors, RIN and Rfb, must be placed close to pins 13 and 17, respectively, to minimize
capacitive loading on these input pins and to ensure maximum stability of the TPA6138A2. For the
recommended PCB layout, see the TPA6138A2EVM User's Guide.
APPLICATION CIRCUIT
R1 = 15 k
Ω, R2 = 30 kΩ, R3 = 43 kΩ, C1 = 47 pF, C2 = 180 pF
Copyright
2011, Texas Instruments Incorporated
11
Product Folder Link(s): TPA6138A2
相關(guān)PDF資料
PDF描述
TPA6138A2PW 0.04 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO14
TPA6139A2PWR 0.025 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO14
TPA6139A2PW 0.025 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO14
TPA6139A2RGT 0.025 W, 2 CHANNEL, AUDIO AMPLIFIER, QCC16
TPA6140A2YFFR 2 CHANNEL(S), VOLUME CONTROL CIRCUIT, PBGA16
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TPA6139A2 制造商:TI 制造商全稱:Texas Instruments 功能描述:DirectPatha?¢ 25-mW Headphone Amplifier With Programmable-Fixed Gain
TPA6139A2EVM 功能描述:音頻 IC 開發(fā)工具 TPA6139A2EVM Eval Mod RoHS:否 制造商:Texas Instruments 產(chǎn)品:Evaluation Kits 類型:Audio Amplifiers 工具用于評估:TAS5614L 工作電源電壓:12 V to 38 V
TPA6139A2PW 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(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
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(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel