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TPA6120A2

Texas Instruments
Part Number TPA6120A2
Manufacturer Texas Instruments
Description High Fidelity Headphone Amplifier
Published Dec 18, 2019
Detailed Description Product Folder Sample & Buy Technical Documents Tools & Software Support & Community TPA6120A2 SLOS431B – MARCH 200...
Datasheet PDF File TPA6120A2 PDF File

TPA6120A2
TPA6120A2

Overview
Product Folder Sample & Buy Technical Documents Tools & Software Support & Community TPA6120A2 SLOS431B – MARCH 2004 – REVISED FEBRUARY 2015 TPA6120A2 High Fidelity Headphone Amplifier 1 Features •1 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 2 Applications • Professional Audio Equipment • HiFi Smartphone • Consumer Home Audio Equipment • Headphone Drivers 3 Description 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.
Device Information(1) PART NUMBER PACKAGE BODY SIZE (NOM) TPA6120A2 HSOP (20) VQFN (14) 7.
5mm x 12.
82mm 3.
5mm x 3.
5mm (1) For all available packages, see the orderable addendum at the end of the datasheet.
4 Simplified Schematic PCM Audio Data Source Controller AUDIO DAC LRCK BCK DATA SCK IOUT L− IOUT L+ ZEROL ZEROR MS MDI MC MDO RST PCM1792 or DSD1792 IOUT R...


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