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MAX98307 - 3.3W Mono Class DG Multilevel Audio Amplifier

Description

The MAX98307/MAX98308 fully differential mono Class DG multilevel power amplifiers with integrated inverting charge pumps offer highly efficient, high-power audio solutions for portable applications.

Features

  • eliminate the need for output filtering as compared to traditional Class D devices, reducing component count and cost. The MAX98307’s 16-pin TQFN package features an adjustable gain set by external resistors. The MAX98308’s space-saving 12-bump WLP package features an internally fixed gain of 8.5dB, 11.5dB, 14.5dB, 17.5dB, and 20.5dB set by a single gain input. Both devices operate over the extended -40°C to +85°C temperature range.

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MAX98307/MAX98308 EVALUATION KIT AVAILABLE 3.3W Mono Class DG Multilevel Audio Amplifier General Description The MAX98307/MAX98308 fully differential mono Class DG multilevel power amplifiers with integrated inverting charge pumps offer highly efficient, high-power audio solutions for portable applications. Class DG multilevel modulation extends the dynamic range of the output signal by employing a charge-pumpgenerated negative rail as needed to extend the supply range. This scheme results in high efficiency over a wide output power range. The ICs combine Maxim’s active emissions limiting edge rate and overshoot control circuitry with multilevel output modulation to greatly reduce EMI.
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