NCP2811 Features
• True Ground Configuration Output Eliminates DC−Blocking
Capacitors:
− Save Board Area
− Save Component Cost
− No Low−Frequency Response Attenuation
• High PSRR (−100 dB): Direct Connection to the Battery
• “Pop and Click” Noise Protection Circuitry
• Internal Gain (−1.5 V/V) or External Adjustable Gain
• Ultra Low Current Shutdown Mode
• 2.7 V – 5.0 V Operation
• Thermal Overload Protection Circuitry
• CSP 2 x 1.5 mm
• WQFN12 3 x 3 mm
• TSSOP−14
• These Devices are Pb−Free, Halogen Free/BFR Free and are RoHS
Compliant
Typical Applications
• Headset Audio Amplifier for
− Cellular Phones
− MP3 Player
− Personal Digital Assistant and Portable Media Player
− Portable Devices
