FPA6101

FPA6101 2.4W Stereo Audio Power Amplifier and Headphone Driver September FPA6101 2007 tm 2.4W Stereo Audio Power Amplifier and Headphone Driver Features ■ Operating Voltage: VDD, PVDD, CVDD = 4.5V to 5.5V HVDD = 3.0V to 3.6V ■ No Output Capacitors Required for Headphones ■ Supply Current – IDD = 12mA at VDD = 5V (Amplifier Mode) – IDD = 10mA at VDD = 5V (Headphone Mode) ■ Low Shutdown Current ■ Meets VISTA Requirements ■ Low Distortion AMP mode – THD+N = 56dB, RL = 4Ω, PO = 1.5W – THD+N = 64dB, RL = 8Ω, PO = 0.9W HP mode – THD+N = 73dB, RL = 16Ω, PO = 125mW – THD+N = 77dB, RL = 32Ω, PO = 88mW – THD+N= 85dB, RL = 10kΩ, PO = 1.7Vrms ■ Integrated De-Pop Circuitry ■ Thermal and Over Current Protection ■ Internal Gain Setting ■ High Supply Voltage Ripple Rejection ■ Surface-Mount Packaging – TSSOP-28P (with enhanced thermal pad) – MLP-28P (with enhanced thermal pad) – Not yet released ■ Lead Free Available (RoHS Compliant) FPA6101 Audio Codec Stereo Headphones Stereo Speakers General Description The FPA6101 is a monolithic integrated circuit combining a stereo power amplifier with a stereo capacitor-less headphone amplifier in a space and cost efficient package. The headphone amplifier is ground-referenced to eliminate the output capacitors saving money and PCB space. The amplifier features over-current, de-pop and thermalshutdown protection. De-Pop reduces pops and clicks during power up and when using the shutdown modes. Thermal shut-down protects the amplifier from bei...