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TPA6120A2

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具有 128dB 动态范围的立体声 9.0V 至 33.0V 模拟输入耳机放大器

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数据表

TPA6120A2

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产品详情

Output power (W) 1.5 Analog supply (min) (V) 10 Analog supply voltage (max) (V) 30 Load (min) (Ω) 8 PSRR (dB) 75 Rating Catalog Operating temperature range (°C) -40 to 85 Headphone channels Stereo Volume control No Shutdown current (ISD) (µA) 0.7 Architecture Class-AB Iq per channel (typ) (mA) 11.5
Output power (W) 1.5 Analog supply (min) (V) 10 Analog supply voltage (max) (V) 30 Load (min) (Ω) 8 PSRR (dB) 75 Rating Catalog Operating temperature range (°C) -40 to 85 Headphone channels Stereo Volume control No Shutdown current (ISD) (µA) 0.7 Architecture Class-AB Iq per channel (typ) (mA) 11.5
HSOIC (DWP) 20 133.444125 mm² 12.825 x 10.405 VQFN (RGY) 14 12.25 mm² 3.5 x 3.5
  • SNR of 128dB A-Weighted.
  • THD of 112.5dB
  • Current-Feedback Architecture
  • Output Voltage Noise of 0.9µVrms at
    Gain = 1V/V (16Ω Load)
  • Power Supply Range: ±5V to ±15V
  • 1300V/µs Slew Rate
  • Can be configured for Single Ended or Differential
    Inputs
  • Independent Power Supplies for Low Crosstalk
  • SNR of 128dB A-Weighted.
  • THD of 112.5dB
  • Current-Feedback Architecture
  • Output Voltage Noise of 0.9µVrms at
    Gain = 1V/V (16Ω Load)
  • Power Supply Range: ±5V to ±15V
  • 1300V/µs Slew Rate
  • Can be configured for Single Ended or Differential
    Inputs
  • Independent Power Supplies for Low Crosstalk

In applications requiring a high-power output, very high fidelity headphone amplifier, the TPA6120A2 replaces a costly discrete design and allows music, not the amplifier, to be heard. The TPA6120A2’s current-feedback AB amplifier architecture delivers high bandwidth, extremely low noise, and up to 128dB of dynamic range.

Three key features make current-feedback amplifiers outstanding for audio. The first feature is the high slew rate that prevents odd order distortion anomalies. The second feature is current-on-demand at the output that enables the amplifier to respond quickly and linearly when necessary without risk of output distortion. When large amounts of output power are suddenly needed, the amplifier can respond extremely quickly without raising the noise floor of the system and degrading the signal-to-noise ratio. The third feature is the gain-independent frequency response that allows the full bandwidth of the amplifier to be used over a wide range of gain settings.

In applications requiring a high-power output, very high fidelity headphone amplifier, the TPA6120A2 replaces a costly discrete design and allows music, not the amplifier, to be heard. The TPA6120A2’s current-feedback AB amplifier architecture delivers high bandwidth, extremely low noise, and up to 128dB of dynamic range.

Three key features make current-feedback amplifiers outstanding for audio. The first feature is the high slew rate that prevents odd order distortion anomalies. The second feature is current-on-demand at the output that enables the amplifier to respond quickly and linearly when necessary without risk of output distortion. When large amounts of output power are suddenly needed, the amplifier can respond extremely quickly without raising the noise floor of the system and degrading the signal-to-noise ratio. The third feature is the gain-independent frequency response that allows the full bandwidth of the amplifier to be used over a wide range of gain settings.
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类型 标题 下载最新的英语版本 日期
* 数据表 TPA6120A2 High Fidelity Headphone Amplifier 数据表 (Rev. B) PDF | HTML 2015年 2月 4日
应用手册 Guidelines for Measuring Audio Power Amplifier Performance (Rev. A) 2019年 8月 26日
应用手册 AN-1849 An Audio Amplifier Power Supply Design (Rev. C) 2019年 6月 27日
EVM 用户指南 TPA6120A2RGYEVM User's Guide 2014年 7月 17日
用户指南 TPA6120A2EVM - User Guide 2004年 5月 6日

设计和开发

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评估板

TPA6120A2EVM — TPA6120A2 评估模块 (EVM)

The TPA6120A2 is a Hi-Fi stereo headphone amplifier capable of delivering 1.5 W of continuous RMS power per channel into 32-Ohm speakers with less than 0.0003% THD+N.

用户指南: PDF
TI.com 上无现货
评估板

TPA6120A2RGYEVM — TPA6120A2RGY 评估模块

The TPA6120A2 is an exceptionally high-performance Hi-Fi stereo headphone amplifier capable of delivering 1.5 W of continuous RMS power per channel into 32-Ohm speakers in a tiny QFP package.

用户指南: PDF
TI.com 上无现货
光绘文件

TPA6120A2RGY EVM Gerber Files

SLOC308.ZIP (1389 KB)
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参考设计

TIDA-00385 — 用于便携和智能手机应用的高保真音频耳机回放

随着用于便携音频播放的高保真耳机的兴起，人们开始对更高性能的 DAC 和耳机放大器有了要求。此系统可通过 PCM5242 音频 DAC 将来自 USB、SPDIF 或光盘的数字音频转换成模拟音频。高性能 TPA6120A2 耳机放大器搭配差动 DAC 可实现令人震撼的清晰度和解析力，同时还能提供行业领先的降噪性能，这是实现低噪耳机播放的关键所在。电源架构专为通过 3.3V 电源工作而设计，可提高灵活度并与现有产品和系统相集成。
测试报告: PDF
原理图: PDF
封装 引脚 CAD 符号、封装和 3D 模型
HSOIC (DWP) 20 Ultra Librarian
VQFN (RGY) 14 Ultra Librarian
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