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.

• 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

• Output power (W)
• 1.5
• Analog supply (Min) (V)
• 10
• Analog supply (Max) (V)
• 30
• PSRR (dB)
• 75
• Rating
• Catalog
• Operating temperature range (C)
• -40 to 85
• Headphone channels
• Stereo
• Volume control
• No
• Shutdown current (ISD) (uA)
• 0.7
• Architecture
• Class-AB
• Iq per channel (Typ) (mA)
• 11.5

TPA6120A2的完整型号有：TPA6120A2DWP、TPA6120A2DWPR、TPA6120A2RGYR、TPA6120A2RGYT，以下是这些产品的关键参数及官网采购报价：

TPA6120A2DWP，工作温度：-40 to 85，封装：SO PowerPAD (DWP)-20，包装数量MPQ：25个，MSL 等级/回流焊峰值温度：Level-2-260C-1 YEAR，引脚镀层/焊球材料：NIPDAU，TI官网TPA6120A2DWP的批量USD价格：1.373（1000+）

TPA6120A2DWPR，工作温度：-40 to 85，封装：SO PowerPAD (DWP)-20，包装数量MPQ：2000个，MSL 等级/回流焊峰值温度：Level-2-260C-1 YEAR，引脚镀层/焊球材料：NIPDAU，TI官网TPA6120A2DWPR的批量USD价格：1.144（1000+）

TPA6120A2RGYR，工作温度：-40 to 85，封装：VQFN (RGY)-14，包装数量MPQ：3000个，MSL 等级/回流焊峰值温度：Level-2-260C-1 YEAR，引脚镀层/焊球材料：NIPDAU，TI官网TPA6120A2RGYR的批量USD价格：1.144（1000+）

TPA6120A2RGYT，工作温度：-40 to 85，封装：VQFN (RGY)-14，包装数量MPQ：250个，MSL 等级/回流焊峰值温度：Level-2-260C-1 YEAR，引脚镀层/焊球材料：NIPDAU，TI官网TPA6120A2RGYT的批量USD价格：1.373（1000+）

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.

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.

PSPICE-FOR-TI — 适用于 TI 设计和模拟工具的 PSpice

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借助?PSpice for TI 的设计和仿真环境及其内置的模型库，您可对复杂的混合信号设计进行仿真。创建完整的终端设备设计和原型解决方案，然后再进行布局和制造，可缩短产品上市时间并降低开发成本。

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TPA6120A2RGY EVM Gerber Files

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。