text.skipToContent text.skipToNavigation


50-mW Ultra Low-Voltage, Stereo Headphone Audio Amplifier with Fixed Gain (2dB)


Package | PIN: DGK | 8
Temp: I (-40 to 85)
Carrier: Cut Tape
Qty Price
1-9 $1.34
10-24 $1.20
25-99 $1.11
100-249 $0.95
250-499 $0.88
500-749 $0.71
750-999 $0.57
1000+ $0.51


  • Minimal External Components Required
  • 1.6 to 3.6 Supply Voltage Range
  • 50-mW Stereo Output
  • Low Supply Current...0.75 mA
  • Low Shutdown Current...50 nA
  • Gain Set Internally to 2 dB
  • Pop Reduction Circuitry
  • Internal Mid-Rail Generation
  • Thermal and Short-Circuit Protection
  • Surface-Mount Packaging
    • 3-mm × 5-mm MSOP Package (DGN)
    • 5-mm × 6-mm SOIC Package (D)
    • 2,5-mm × 2,5-mm MicroStar Junior™ BGA Package (ZQY)

MicroStar BGA is a trademark of Texas Instruments.

Texas Instruments  TPA6101A2DGKR

The TPA6101A2 is a stereo audio power amplifier packaged in an 8-pin SOIC package, an 8-pin MSOP package, or a 15-ball BGA package, capable of delivering 50 mW of continuous RMS power per channel into 16- loads. Amplifier gain is internally set to 2 dB (inverting) to save board space by eliminating six external resistors.

The TPA6101A2 is optimized for battery applications because of its low supply current, shutdown current, and THD+N. To obtain the low supply voltage range, the TPA6101A2 biases BYPASS to VDD/4.

When driving a 16- loads, the THD+N is reduced to less than 0.06% at 1 kHz, and is less than 0.3% across the audio band of 20 Hz to 20 kHz.