The MAX9716/MAX9717 audio power amplifiers are idealfor portable audio devices with internal speakers. Abridge-tied load (BTL) architecture minimizes externalcomponent count, while providing high-quality audioreproduction. Both devices deliver 1.4W continuouspower into a 4Ω load with less than 1% Total HarmonicDistortion (THD) while operating from a single +5V supply.With an 8Ω load, both devices deliver 1W continuouspower. These devices also deliver 350mW continuouspower into an 8Ω load while operating from a single+3.0V supply. The devices are available as adjustablegain amplifiers (MAX9716/MAX9717A) or with internallyfixed gains of 6dB, 9dB, and 12dB (MAX9717B/MAX9717C/MAX9717D), reducing component count.

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