Mono 1.5 W / Stereo 300mW Power Amplifier


Product details


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Package | Pins | Size

VSSOP (DGS) 10 9 mm² 3 x 3 WSON (NHE) 14 16 mm² 4 x 4 open-in-new Find other Speaker amps


  • Mono 1.5W BTL or Stereo 300mW Output
  • Headphone Sense
  • “Click and Pop” Suppression Circuitry
  • No Bootstrap Capacitors Required
  • Thermal Shutdown Protection
  • Unity-Gain Stable
  • Available in Space-Saving VSSOP and WSON Packaging

Key Specifications

  • Output Power at 1% THD+N, 1kHz:
    • LM4853LD 3Ω BTL 1.9W (typ)
    • LM4853LD 4Ω BTL 1.7W (typ)
    • LM4853MM 4Ω BTL 1.5W (typ)
    • LM4853MM,LD 8Ω BTL 1.1W (typ)
    • LM4853MM,LD 8Ω SE 300mW (typ)
    • LM4853MM,LD 32Ω SE 95mW (typ)
  • THD+N at 1kHz, 95mW into 32Ω SE 1% (typ)
  • Single Supply Operation 2.4 to 5.5V
  • Shutdown Current 18µA (typ)

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The LM4853 is an audio power amplifier capable of delivering 1.5W (typ) of continuous average power into a mono 4Ω bridged-tied load (BTL) with 1% THD+N or 95mW per channel of continuous average power into stereo 32Ω single-ended (SE) loads with 1% THD+N, using a 5V power supply.

The LM4853 can automatically switch between mono BTL and stereo SE modes utilizing a headphone sense pin. It is ideal for any system that provides both a monaural speaker output and a stereo line or headphone output

Boomer audio power amplifiers were designed specifically to provide high quality output power with a minimal amount of external components. Since the LM4853 does not require bootstrap capacitors or snubber networks, it is optimally suited for low-power portable systems.

The LM4853 features an externally controlled, micropower consumption shutdown mode and thermal shutdown protection. The unity-gain stable LM4853's gain is set by external gain-setting resistors

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Technical documentation

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Type Title Date
* Datasheet LM4853   Mono 1.5 W / Stereo 300mW Power Amplifier datasheet (Rev. E) May 01, 2013

Design & development

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Design tools & simulation

Coefficient Calculator For Digital Biquad Filters
COEFFICIENT-CALC COEFFICIENT-CALC (TIBQ) calculates the coefficients for the digital filter biquad transfer function implemented in TI audio codecs. The characteristics of the digital filter are adjusted by selecting a filter type and moving a control point within a window that shows the transfer function gain and (...)

CAD/CAE symbols

Package Pins Download
VSSOP (DGS) 10 View options
WSON (NHE) 14 View options

Ordering & quality

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