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SSM2315 数据手册 ( 数据表 ) - Analog Devices

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零件编号
SSM2315

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16 Pages

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404.7 kB

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Analog Devices 

GENERAL DESCRIPTION
The SSM2315 is a fully integrated, high efficiency, Class-D audio amplifier. It is designed to maximize performance for mobile phone applications. The application circuit requires a minimum of external components and operates from a single 2.5 V to 5.5 V supply. It is capable of delivering 3 W of continuous output power with <1% THD + N driving a 3 Ω load from a 5.0 V supply.


FEATURES
   Filterless Class-D amplifier with Σ-Δ modulation
   No sync necessary when using multiple Class-D amplifiers
      from Analog Devices, Inc.
   3 W into 3 Ω load and 1.4 W into 8 Ω load at 5.0 V supply
      with <1% total harmonic distortion (THD + N)
   93% efficiency at 5.0 V, 1.4 W into 8 Ω speaker
   >103 dB signal-to-noise ratio (SNR)
   Single-supply operation from 2.5 V to 5.5 V
   20 nA ultralow shutdown current
   Short-circuit and thermal protection
   Available in 9-ball, 1.5 mm × 1.5 mm WLCSP
   Pop-and-click suppression
   Built-in resistors reduce board component count
   Default fixed 6 dB or user adjustable gain setting


APPLICATIONS
   Mobile phones
   MP3 players
   Portable gaming
   Portable electronics
   Educational toys


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