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HWD2190
1 Watt Audio Power Amplifier
General Description
Key Specifications
The HWD2190 is an audio power amplifier primarily designed for demanding applications in mobile phones and other por-
table 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 5VDC power supply.
j PSRR at 217Hz, VDD = 5V (Fig. 1) j Power Output at 5.0V & 1% THD j Power Output at 3.3V & 1% THD j Shutdown Current
62dB(typ.) 1W(typ.)
400mW(typ.) 0.1µA(typ.)
audio power amplifiers were designed specifically to
Featuresprovide high quality output power with a minimal amount of
external components.