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SSM2375:  Filterless High Efficiency Mono 3 W Class-D Audio Amplifier

Product Details

Product Status:Recommended for New Designs

The SSM2375 has a micropower shutdown mode with a typical shutdown current of 20 nA. Shutdown is enabled by applying a logic low to the SD pin.

The device also includes pop-and-click suppression circuitry. This minimizes voltage glitches at the output during turn-on and turn-off, reducing audible noise on activation and deactivation.

Other included features to simplify system level integration of the SSM2375 are input low pass filtering beyond 80kHz to suppress out of band DAC noise interference to the PDM modulator and fixed input impedance to simplify component selection across multiple platform production builds.

The SSM2375 is specified over the industrial temperature range of −40°C to +85°C. It has built-in thermal shutdown and output short-circuit protection. It is available in a halogen-free 9-ball, 1.5 mm × 1.5 mm wafer level chip scale package (WLCSP).


Applications
  • Mobile phones
  • MP3 players
  • Portable electronics

FEATURES and BENEFITS

  • Filterless Class-D amplifier with spread-spectrum Σ-Δ modulation
  • 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)
  • 93% efficiency at 5.0 V, 1.4 W into 8 Ω speaker
  • >100 dB signal-to-noise ratio (SNR)
  • High PSRR @ 217 Hz: 80dB
  • Flexible gain adjustment pin: 0dB to 12dB in 3dB steps
  • Fixed Input Impedance, 80kΩ
  • User-selectable ultralow EMI emissions mode
  • Single-supply operation from 2.5 V to 5.5 V
  • 20 nA shutdown current
  • Short-circuit and thermal protection with auto recovery
  • Available in 9-ball, 1.5 mm × 1.5 mm WLCSP
  • Pop-and-click suppression

Evaluation Kits & Symbols & Footprints

Evaluation Boards & KitsView the Evaluation Boards and Kits page for documentation and purchasing

Symbols and Footprints— Analog Devices offers Symbols & Footprints which are compatible with a large set of today’s CAD systems for broader and easier support.

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Price, packaging, availability

SSM2375 Model Options
Price Table Help

The USA list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Analog Devices, Inc. sales office or authorized distributor. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.

SSM2375 Evaluation Board
Model Description Price RoHS View PCN/ PDN Check Inventory/
Purchase/Sample
EVAL-SSM2375Z Status: Production Evaluation Board $60.00 Yes -

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.

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