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TPA6139A2 PDF预览

TPA6139A2

更新时间： 2024-02-10 22:48:33
品牌 Logo 应用领域
德州仪器 - TI 放大器
页数 文件大小 规格书
22页 825K
描述
DirectPath™ 25-mW Headphone Amplifier With Programmable-Fixed Gain

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TPA6139A2 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：ActiveReach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.33.00.01
Factory Lead Time：6 weeks风险等级：0.95
商用集成电路类型：AUDIO AMPLIFIERJESD-30 代码：S-PQCC-N16
JESD-609代码：e4长度：3 mm
湿度敏感等级：2功能数量：1
端子数量：16最高工作温度：150 °C
最低工作温度：-40 °C标称输出功率：0.025 W
封装主体材料：PLASTIC/EPOXY封装代码：HVQCCN
封装等效代码：LCC16,.12SQ,20封装形状：SQUARE
封装形式：CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE峰值回流温度（摄氏度）：260
电源：3.3 V认证状态：Not Qualified
座面最大高度：1 mm子类别：Audio/Video Amplifiers
最大供电电压 (Vsup)：3.6 V最小供电电压 (Vsup)：3 V
表面贴装：YES温度等级：AUTOMOTIVE
端子面层：Nickel/Palladium/Gold (Ni/Pd/Au)端子形式：NO LEAD
端子节距：0.5 mm端子位置：QUAD
处于峰值回流温度下的最长时间：NOT SPECIFIED宽度：3 mm
Base Number Matches：1

TPA6139A2 数据手册

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TPA6139A2  
www.ti.com  
SLOS700B –JANUARY 2011–REVISED JUNE 2012  
DirectPath™ 25-mW Headphone Amplifier With  
Programmable-Fixed Gain  
Check for Samples: TPA6139A2  
1
FEATURES  
DESCRIPTION  
The TPA6139A2PW is a 25mW Pop-Free stereo  
23  
•
DirectPath™  
Head Phone driver designed to reduce component  
count, board space and cost. It is ideal for single  
supply electronics where size and cost are critical  
design parameters.  
–
–
–
Eliminates Pop/Clicks  
Eliminates Output DC-Blocking Capacitors  
3 V to 3.6 V Supply voltage  
•
Low Noise and THD  
The TPA6139A2 does not require a power supply  
greater than 3.3V to generate its 25mW, nor does it  
require a split rail power supply.  
–
–
–
SNR > 105 dB at –1x Gain  
Typical Vn < 15 μVms 20-20kHz at –1x Gain  
Designed using TI’s patented DIRECTPATH™  
technology which integrates a charge pump to  
generate a negative supply rail that provides a clean,  
pop-free ground biased output. The TPA6139A2 is  
capable of driving 25mW into 32Ω and 2Vms into a  
600Ω load. DIRECTPATH also allows the removal of  
the costly output DC-blocking capacitors.  
THD+N < 0.003% at 10kΩ Load and –1x  
Gain  
•
•
•
•
25 mW into 600 Ω Load  
2 Vrms Output Voltage into 5kΩ Load  
Single Ended Input and Output  
Programmable Gain Select Reduces  
Component Count  
The device has fixed gain single ended inputs with a  
gain select pin. Using a single resistor on this pin, the  
designer can choose from 13 internal programmable  
gain settings to match the line driver with the Codec  
output level. It also reduces the component count and  
board space.  
–
13x Gain Values  
•
•
•
Active Mute With More Than 80dB Attenuation  
Short Circuit and Thermal Protection  
±8kV HBM ESD Protected Outputs  
Headphone outputs have ±8kV HBM ESD protection  
enabling  
a simple ESD protection circuit. The  
APPLICATIONS  
TPA6139A2 has built-in active mute control with more  
that 80dB attenuation for pop-free mute on/off control.  
•
•
•
•
PDP / LCD TV  
Blu-ray Disc™, DVD Players  
Mini/Micro Combo Systems  
Soundcards  
The TPA6139A2 is available in a 14-pin TSSOP and  
a 16-pin QFN. For a pin compatible 2vrms line driver  
see DRV612.  
–
DAC  
LEFT  
+
Headphone  
Programmable  
Gain  
-1x to -10x  
TPA6139A2  
SOC  
DAC  
–
RIGHT  
+
1
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.  
2
3
DirectPath, DIRECTPATH are trademarks of Texas Instruments.  
Blu-ray Disc is a trademark of Blu-ray Disc Association.  
UNLESS OTHERWISE NOTED this document contains  
PRODUCTION DATA information 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 © 2011–2012, Texas Instruments Incorporated  
 
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