APA2176/2176A 270mW Stereo Cap-Free Headphone Driver Features • No Output Capacitor Required • Dual Supply Voltage (PV V ) DD DD – VDD=1.
8 ~5.
5V – PVDD=2.
2 ~ 5.
5V • Meeting VISTA Requirements • Output Power at 1% THD+N -200mW, at V =3.
3V, DD PV =5.
0V, DD RL=16Ω -55mW, at V =1.
8V, DD PV =3.
0V, DD RL=16Ω at 10% THD+N -270mW, at VDD=3.
3V, PVDD=5.
0V, RL=16Ω -70mW, at VDD=1.
8V, PVDD=3.
0V, RL=16Ω • Less External Components Required • High PSRR: 80dB at 217Hz • Fast Start-Up Time : 120µs • Short-Circuit and Thermal Protection • Surface-Mount Package – TQFN4x4-20B (with Enhanced Thermal Pad) – TSSOP-16 – TQFN3x3-16 (with Enhanced Thermal Pad) (for APA2176A) • Lead Free and Green...

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