2W Stereo Power Amplifier With Four Selectable Gain Setting And Headphone Drive

The FAN7031 is a dual fully differential power Amplifier in a 20-pin TSSOP-EP thermally enhanced package. When delivering 1.85W of continuous RMS power into 4 speaker at 5V supply, the FAN7031 has less than 1% of THD+N over the entire audible frequency range, 20Hz to 20kHz. To save power consumption in the portable applications, the FAN7031 provides shutdown function. Setting the shutdown pin to ground level, the FAN7031 falls into shutdown mode and consumes less than 4A over all supply voltage range, 2.7V to 5.5V. Two gain setting pins(G0 and G1) control the gain of the FAN7031. The gain is selectable to 6dB, 10dB, 15.6dB and 21.6dB. The FAN7031 provides the single- ended(SE) operation by setting SE/BTL pin to above VDD/2. Using SE/BTL pin and a mechanical Switch which provides at the Headphone jack, SE mode and BTL mode are automat- ically determined. Additional components such as resistors for gain setting and bootstrap capacitors are not needed, making the FAN7031 well suited for portable sound systems and other hand-held sound equipment. Target applications include notebook and desktop computers and portable Audio equipment. By Fairchild Semiconductor
FAN7031 's PackagesFAN7031 's pdf datasheet

FAN7031 Pinout, Pinouts
FAN7031 pinout,Pin out
This is one package pinout of FAN7031,If you need more pinouts please download FAN7031's pdf datasheet.

FAN7031 Application circuits
FAN7031 circuits
This is one application circuit of FAN7031,If you need more circuits,please download FAN7031's pdf datasheet.

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