TPA6111A2

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150-mW Stereo Headphone Audio Amplifier, Pin Compatible with LM4880 and LM4881

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Product details

Parameters

Output power (W) 0.15 Analog supply (Min) (V) 2.5 Analog supply (Max) (V) 5.5 PSRR (dB) 83 Rating Catalog Operating temperature range (C) -40 to 85 Headphone channels Stereo Volume control No Shutdown current (ISD) (uA) 1 Architecture Class-AB Iq per channel (Typ) (mA) 0.75 open-in-new Find other Headphone amps

Package | Pins | Size

HVSSOP (DGN) 8 9 mm² 3 x 3 SOIC (D) 8 19 mm² 3.91 x 4.9 open-in-new Find other Headphone amps

Features

  • 150-mW Stereo Output
  • PC Power Supply Compatible
    • Fully Specified for 3.3-V and
      5-V Operation
    • Operation to 2.5 V
  • Pop Reduction Circuitry
  • Internal Midrail Generation
  • Thermal and Short-Circuit Protection
  • Surface-Mount Packaging
    • PowerPAD™ MSOP
    • SOIC
  • Pin Compatible With TPA122, LM4880, and LM4881 (SOIC)
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Description

The TPA6111A2 is a stereo audio power amplifier packaged in either an 8-pin SOIC or an 8-pin PowerPAD MSOP package capable of delivering 150 mW of continuous RMS power per channel into 16-Ω loads. Amplifier gain is externally configured by means of two resistors per input channel and does not require external compensation for settings of 0 to 20 dB.

THD+N, when driving a 16-Ω load from 5 V, is 0.03% at 1 kHz, and less than 1% across the audio band of 20 Hz to 20 kHz. For 32-Ω loads, the THD+N is reduced to less than 0.02% at 1 kHz, and is less than 1% across the audio band of 20 Hz to 20 kHz. For 10-kΩ loads, the THD+N performance is 0.005% at 1 kHz, and less than 0.5% across the audio band of 20 Hz to 20 kHz.

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Technical documentation

= Top documentation for this product selected by TI
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Type Title Date
* Datasheet TPA6111A2 150-mW Stereo Audio Power Amplifier datasheet (Rev. C) Mar. 31, 2016
Application notes Guidelines for Measuring Audio Power Amplifier Performance (Rev. A) Aug. 26, 2019
Application notes AN-1849 An Audio Amplifier Power Supply Design (Rev. C) Jun. 27, 2019
User guides TPA6111A2MSOPEVM - User Guide Nov. 17, 2000
Application notes A Low-Cost, Single Coupling Capacitor Config. for Stereo Headphone Amplifiers Dec. 22, 1999

Design & development

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CAD/CAE symbols

Package Pins Download
HVSSOP (DGN) 8 View options
SOIC (D) 8 View options

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