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NLMD5820 - 2.65W Filterless Class-D Audio Amplifier

Description

Pin No.

Description Normally Closed Signal Line for Switch #2.

Control Input for Switch #2.

Features

  • ăOptimized PWM Output Stage: Filterless Capability.
  • ăEfficiency up to 90% Low 2.5 mA Typical Quiescent Current.
  • ăLarge Output Power Capability: 1.4 W with 8.0 W Load (CSP) and THD + N < 1%.
  • ăDual SPST with 0.5 W Max RON @ VCC = 2.8 V.
  • ăHigh Performance, THD+N of 0.03% @ Vp = 5.0 V, RL = 8.0 W, Pout = 100 mW.
  • ăExcellent PSRR (-65 dB): No Need for Voltage Regulation.
  • ăSurface Mounted Package UDFN16.
  • ăFully Differential Design. Elimin.

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Datasheet Details

Part number NLMD5820
Manufacturer onsemi
File Size 267.65 KB
Description 2.65W Filterless Class-D Audio Amplifier
Datasheet download datasheet NLMD5820 Datasheet

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Full PDF Text Transcription

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NLMD5820 2.65 W Filterless Class-D Audio Amplifier with Integrated Dual SPST Switch The NLMD5820 is an integrated mono Class-D audio power amplifier and dual SPST switch capable of delivering 2.65 W of continuous average power to 4.0 W from a 5.0 V supply in a Bridge Tied Load (BTL) configuration. Under the same conditions, the output power stage can provide 1.4 W to a 8.0 W BTL load with less than 1% THD+N. For cellular handsets or PDAs it offers space and cost savings because no output filter is required when using inductive tranducers. The NLMD5820 incorporates a dual SPST switch which allows signals to bypass the amplifier. The integrated switch operates off a separate supply voltage and maintains a very low RON resistance, 0.5 W max @ 2.8 V VCC.
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