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HT6873
3.5W Ultra Low-EMI Anti-Clipping Mono Class D Audio Power Amplifier
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FEATURE

  • Patented technology (EDMA) to reduce the internal Rdson and heat loss, incre🏅ase the ou✃tput power

    Po=3.5 W (VDD=5.0V, RL=4Ω, THD+N=10%)

    Po=5.5 W (VDD=5.0V, RL=2Ω, THD+N=10%)

  • Excellent EMI Suppression Performance

    a) Using Patented technology (AROC, Active edge Ringing and Over෴shoot Control circuitry)

    b) The emission level is highly lower than FCC Part15 Class B sta📖ndard

    c) Without interference to FM radio, CMMB, GSM, CDMA, Bluetooth and any other sensitive modules with diffeඣrent bands;

    d)&n🐽bsp;The difficulty of system design is reduced

  • THD+N=0.05% (RL=4Ω, PO=1W, f=1kHz)

  • Low noise, High SNR

  • Anti-Clipping Function (ACF)

  • Excellent Click-Pop Noise reduction function

  • Low Shutdown Current, 0.01µA

  • Filter-less Modulation, Eliminating Output Filter

  • Over Current Protection, Thermal Protection, Low voltaﷺge malfunction preveꦓntion function included

  • Pb-Free Packages, SOP8L, SOP8L-PP, DFN8L(5mm*6mm)


APPLICATIONS

  • LCD TV/Monitor 

  • Portable Gamers

  • Bluetooth Speakers

  • Portable Speakers

  • 2.1 Channel Speakers

  • Megaphone

  • iPhone/iPad docking
  • MP4/GPS
  • Tablet PC/Note Book
  • Smart phones


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TERMINAL FUNCTION *1

SOP8L/DFN8LTerminal No.NameI/OESDcompositionFunction
1CTRLAPNShutdown and ACF control terminal
2BYPASSAPNAnalog reference terminal
3IN-APNNegative input terminal (differential -)
4IN+APNPositive input terminal (differential +)
5OUT+O-Positive output terminal (differential +)
6VDDPower-Power supply
7GNDGND-GND
8OUT-O-Negative output terminal (differential -)

*1: Input terminal   O: Output terminal   A: Analog terminal
when a voltage that is higher than the VDD 🐲potential is impressed into the terminal of PN (ESD protection circuit is composed of PMOS and NMOS), the leakage current flows through the 🐷protection circuit of PMOS. 


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