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具有数字音量控制和关断模式的 105mW 立体声、模拟输入耳机放大器
Output power (W) 0.105
Analog supply (Min) (V) 2
Analog supply (Max) (V) 5.5
PSRR (dB) 70
Rating Catalog
Operating temperature range (C) -40 to 85
Headphone channels Stereo
Volume control No
Shutdown current (ISD) (uA) 0.4
Architecture Class-AB
Iq per channel (Typ) (mA) 0.65
  • Active-High Shutdown Mode
  • WSON, VSSOP, and SOIC Surface Mount Packaging
  • "Click and Pop" Suppression Circuitry
  • Low Shutdown Current
  • No Bootstrap Capacitors Required
  • Unity-Gain Stable

Key Specifications

  • THD+N at 1kHz, 105mW Continuous Average Power into 16? 0.1 % (typ)
  • THD+N at 1kHz, 70mW Continuous Average Power into 32? 0.1 % (typ)
  • Shutdown Current 0.4 μA (typ)

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The LM4810 is a dual audio power amplifier capable of delivering 105mW per channel of continuous average power into a 16? load with 0.1% (THD+N) from a 5V power supply.

Boomer audio power amplifiers were designed specifically to provide high quality output power with a minimal amount of external components. Since the LM4810 does not require bootstrap capacitors or snubber networks, it is optimally suited for low-power portable systems.

The unity-gain stable LM4810 can be configured by external gain-setting resistors.

The LM4810 features an externally controlled, active-high, micropower consumption shutdown mode, as well as an internal thermal shutdown protection mechanism.