Features and Benefits

  • Filterless digital input, mono Class-D amplifier
  • Operates from a single 4.5 V to 17 V supply
  • 25 W output power, 16 V supply and 4 Ω load at 1% THD + N
  • 107 dB A-weighted signal-to-noise ratio
  • 93.3% efficiency into 8 Ω load at 12 V
  • I2C control with up to 4 pin-selectable slots/addresses
  • Digital interface supports sample rates from 8 kHz to 192 kHz
  • Flexible digital and analog gain adjustment
  • Flexible supply monitoring AGC function
  • Short-circuit and thermal protection, thermal warning

Product Details

The EVAL-SSM3515Z is an evaluation board for quick evaluation of the SSM3515. The board uses a single supply from 4.5 V to 17 V. The board includes 3.3 V and 1.8 V regulators. The on-board digital SPDIF optical input generates the serial digital signal to the SSM3515. The board provides register control using USBi with SigmaStudio™-based GUI or the Total Phase Aardvark™ I2C/SPI Host Adapter. The application circuit requires a minimum of external components and can operate from a single 4.5 V to 17 V supply. It is capable of delivering 8 W of continuous output power into an 8 Ω load, and 15 W into an 4 Ω load from a 12 V power supply. The board can deliver 25 W into a 4 Ω load from a 16 V power supply, all with <1% total harmonic distortion + noise (THD + N); however, output powers above 20 W are not continuous due to the thermal limit.

The EVAL-SSM3515Z evaluation board includes a complete circuit for driving a loudspeaker.

Markets and Technologies

Applicable Parts

Package Contents

  • EVAL-SSM3515Z evaluation board
  • EVAL-ADUSB2EBZ USB interface board (USBi)
  • User GUI with SigmaStudio software (download from product page)


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Pricing displayed is based on 1-piece. The USA list pricing shown is for budgetary use only, shown in United States dollars (FOB USA per unit), and is subject to change. International prices may vary due to local duties, taxes, fees and exchange rates.