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TI(德州仪器) LM4810
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  • TI(德州仪器) LM4810
  • TI(德州仪器) LM4810
  • TI(德州仪器) LM4810
  • TI(德州仪器) LM4810
  • TI(德州仪器) LM4810
  • TI(德州仪器) LM4810
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LM4810

LM4810

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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

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The LM4810 is a dual audio power amplifier capable of delivering 105mW per channel of continuous average power into a 16Ω 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.

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

All trademarks are the property of their respective owners.

Output power (W)0.105
Analog supply (min) (V)2
Analog supply voltage (max) (V)5.5
Load (min) (Ω)16
PSRR (dB)70
RatingCatalog
Operating temperature range (°C)-40 to 85
Headphone channelsStereo
Volume controlNo
Shutdown current (ISD) (µA)0.4
ArchitectureClass-AB
Iq per channel (typ) (mA)0.65
VSSOP (DGK)814.7 mm² 3 x 4.9
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