SSM2518

PRODUCTION

Digital Input Stereo, 2 W, Class-D Audio Power Amplifier

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Part Details

  • Filterless, digital input Class-D amplifier
  • Serial digital audio interface supports common formats: I2S, left justified, right justified, TDM1-16, and PCM
  • 2 channels × 2 W into 4 Ω and 2 channels × 1.4 W into 8 Ω with 1% THD+N, when using a 5 V supply
  • I2C control interface or standalone operation
  • 91% efficiency at full scale into an 8 Ω load
  • 97 dB signal-to-noise ratio (SNR), A-weighted
  • 80 dB power supply rejection ratio (PSRR) at 217 Hz
  • Digital volume control: −71.25 dBto +24 dBin 0.375 dBsteps
  • Supports a wide range of sample rates from 8 kHz to 96 kHz
  • Automatic sample rate detection
  • Can operate using 64 × fS BCLK as the MCLK source
  • 2.5 V to 5.5 V speaker supply voltage (PVDD)
  • 1.62 V to 3.6 V digital supply voltage (DVDD)
  • Pop-and-click suppression
  • Short-circuit and thermal protection with programmable autorecovery
  • Smart power-down when no input signal is detected
  • Power-on reset
  • Low power modes for performance/power trade-offs
  • User selectable ultralow EMI emission mode
  • Programmable dynamic range compression (DRC) with noise gate, expander, compressor, and limiter
  • Available in two packages
    • 16-bump, 2.2 mm × 2.2 mm, 0.5 mm pitch WLCSP
    • 20-lead, 4.0 mm × 4.0 mm LFCSP
SSM2518
Digital Input Stereo, 2 W, Class-D Audio Power Amplifier
SSM2518-fbl SSM2518 Pin Configuration SSM2518 Pin Configuration
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Software Resources


Evaluation Kits

EVAL-SSM2518
SSM2518 Evaluation Board

Reference Designs

Sound Bar System Using ADAU1761 and SSM2518
CN0296 Circuits from the lab

Low Cost, High Performance Sound Bar System

Features and Benefits

  • Sound bar system
  • High performance
  • Low cost
  • 8 digitally processed audio channel outputs
CN0296
Low Cost, High Performance Sound Bar System
Sound Bar System Using ADAU1761 and SSM2518

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