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150mW 立体声模拟输入耳机放大器
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) 10
Architecture Class-AB
Iq per channel (Typ) (mA) 0.75
  • 150 mW Stereo Output
  • Differential Inputs
  • PC Power Supply Compatible
    • Fully Specified for 3.3 V and 5 V Operation
    • Operation to 2.5 V
  • Pop Reduction Circuitry
  • Internal Mid-Rail Generation
  • Thermal and Short-Circuit Protection
  • Surface-Mount Packaging
    • PowerPAD? MSOP

PowerPAD is a trademark of Texas Instruments.

The TPA6112A2 is a stereo audio power amplifier with differential inputs packaged in a 10-pin PowerPAD MSOP package capable of delivering 150 mW of continuous RMS power per channel into 16- loads. Amplifier gain is externally configured by means of two resistors per input channel and does not require external compensation for settings of 1 to 10.

THD+N when driving an 16- 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- 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-k 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.