Product details

Output power (W) 0.05 Analog supply (min) (V) 1.6 Analog supply voltage (max) (V) 3.6 Load (min) (Ω) 16 PSRR (dB) 72 Rating Catalog Operating temperature range (°C) -40 to 85 Headphone channels Stereo Volume control No Shutdown current (ISD) (µA) 0.05 Architecture Class-AB Iq per channel (typ) (mA) 0.8
Output power (W) 0.05 Analog supply (min) (V) 1.6 Analog supply voltage (max) (V) 3.6 Load (min) (Ω) 16 PSRR (dB) 72 Rating Catalog Operating temperature range (°C) -40 to 85 Headphone channels Stereo Volume control No Shutdown current (ISD) (µA) 0.05 Architecture Class-AB Iq per channel (typ) (mA) 0.8
SOIC (D) 8 29.4 mm² 4.9 x 6 VSSOP (DGK) 8 14.7 mm² 3 x 4.9
  • 50-mW Stereo Output
  • Low Supply Current...0.75 mA
  • Low Shutdown Current...50 nA
  • Pin Compatible With LM4881 and TPA102(1)
  • Pop Reduction Circuitry
  • Internal Midrail Generation
  • Thermal and Short-Circuit Protection
  • Surface-Mount Packaging
    • MSOP and SOIC
  • 1.6-V to 3.6-V Supply Voltage Range

(1) The polarity of the SHUTDOWN\ pin is reversed.

  • 50-mW Stereo Output
  • Low Supply Current...0.75 mA
  • Low Shutdown Current...50 nA
  • Pin Compatible With LM4881 and TPA102(1)
  • Pop Reduction Circuitry
  • Internal Midrail Generation
  • Thermal and Short-Circuit Protection
  • Surface-Mount Packaging
    • MSOP and SOIC
  • 1.6-V to 3.6-V Supply Voltage Range

(1) The polarity of the SHUTDOWN\ pin is reversed.

The TPA6100A2D is a stereo audio power amplifier packaged in either an 8-pin SOIC package or an 8-pin MSOP package capable of delivering 50 mW of continuous RMS power per channel into 16- loads. Amplifier gain is externally configured by a means of three resistors per input channel and does not require external compensation for settings of 1 to 10.

The TPA6100A2D is optimized for battery applications because of its low supply current, shutdown current, and THD+N. To obtain the low-supply voltage range, the TPA6100A2D biases BYPASS to VDD/4. A resistor with a resistance equal to RF must be added from the inputs to ground to allow the output to be biased at VDD/2.

When driving a 16- load with 45-mW output power from 3.3 V, THD+N is 0.04% at 1 kHz, and less than 0.2% across the audio band of 20 Hz to 20 kHz. For 28 mW into 32- loads, the THD+N is reduced to less than 0.03% at 1 kHz, and is less than 0.2% across the audio band of 20 Hz to 20 kHz.

The TPA6100A2D is a stereo audio power amplifier packaged in either an 8-pin SOIC package or an 8-pin MSOP package capable of delivering 50 mW of continuous RMS power per channel into 16- loads. Amplifier gain is externally configured by a means of three resistors per input channel and does not require external compensation for settings of 1 to 10.

The TPA6100A2D is optimized for battery applications because of its low supply current, shutdown current, and THD+N. To obtain the low-supply voltage range, the TPA6100A2D biases BYPASS to VDD/4. A resistor with a resistance equal to RF must be added from the inputs to ground to allow the output to be biased at VDD/2.

When driving a 16- load with 45-mW output power from 3.3 V, THD+N is 0.04% at 1 kHz, and less than 0.2% across the audio band of 20 Hz to 20 kHz. For 28 mW into 32- loads, the THD+N is reduced to less than 0.03% at 1 kHz, and is less than 0.2% across the audio band of 20 Hz to 20 kHz.

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Technical documentation

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Type Title Date
* Data sheet 50-mW Ultralow Voltage Stereo Headphone Audio Power Amplifier datasheet (Rev. B) 09 Sep 2004
Application note Guidelines for Measuring Audio Power Amplifier Performance (Rev. A) 26 Aug 2019
Application note AN-1849 An Audio Amplifier Power Supply Design (Rev. C) 27 Jun 2019
User guide TPA6100A2EVM - User Guide 12 Dec 2000
Application note A Low-Cost, Single Coupling Capacitor Config. for Stereo Headphone Amplifiers 22 Dec 1999

Design & development

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Evaluation board

TPA6100A2EVM — TPA6100A2 Evaluation Module (EVM)

The TPA6100A2 is a stereo headphone amplifier capable of delivering 50mW of continuous RMS power per channel into 16-Ohm speakers. The amplifier's gain is externally set by three resistors per input channel.

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SOIC (D) 8 Ultra Librarian
VSSOP (DGK) 8 Ultra Librarian

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