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HM4890 - 1 Watt CLASS-AB Audio Power Amplifier

General Description

+04890 is an audio power amplifier primarily designed for demanding applications in mobile phones and other portable communication device applications.

It is capable of delivering 1 watt of continuous average power to an 8Ω BTL load with less than 1% distortion (THD+N) from a 5V DC power supply.

Key Features

  • PSRR at 217Hz, VDD = 5V (Fig. 1) 62dB(typ. ) Power Output at 5.0V & 1% THD 1W(typ. ) Power Output at 3.3V & 1% THD 400mW(typ. ) Shutdown Current 0.1μA(typ. ) z General.

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HM4890 1 Watt CLASS-AB Audio Power Amplifier z Features PSRR at 217Hz, VDD = 5V (Fig. 1) 62dB(typ.) Power Output at 5.0V & 1% THD 1W(typ.) Power Output at 3.3V & 1% THD 400mW(typ.) Shutdown Current 0.1μA(typ.) z General Description +04890 is an audio power amplifier primarily designed for demanding applications in mobile phones and other portable communication device applications. It is capable of delivering 1 watt of continuous average power to an 8Ω BTL load with less than 1% distortion (THD+N) from a 5V DC power supply. Boomer audio power amplifiers were designed specifically to provide high quality output power with a minimal amount of external components.