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SSM2315 - Filterless High Efficiency Mono 3W Class-D Audio Amplifier

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.

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 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.

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Datasheet Details

Part number SSM2315
Manufacturer Analog Devices
File Size 440.31 KB
Description Filterless High Efficiency Mono 3W Class-D Audio Amplifier
Datasheet download datasheet SSM2315 Datasheet
Additional preview pages of the SSM2315 datasheet.

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Full PDF Text Transcription

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Filterless, High Efficiency, Mono 3 W Class-D Audio Amplifier SSM2315 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 The SSM2315 features a high efficiency, low noise modulation scheme that requires no external LC output filters.
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