Dual mode low power 150 mW stereo headphone amplifier with capacitor-less and single-ended outputs

Features ■ No output coupling capacitors necessary ■ Pop-and-click noise reduction circuitry ■ Operating from VCC = 2.2 V to 5.5 V ■ Standby mode active low ■ Output power: – 158 mW at 5 V, into 16 Ω with 1% THD+N max (1 kHz) – 52 mW at 3.0 V into 16 Ω with 1% THD+N max (1 kHz) ■