GENERAL DESCRIPTION
The IS31AP2010E is a high efficiency, mono filter-less class-D audio power amplifier. A low noise, filter-less PWM architecture eliminates the output filter, reduces external component count, system cost, and simplifying design.
In cellular handsets, the earpiece, speaker phone, and melody ringer speaker can each be driven by the IS31AP2010E. The gain of IS31AP2010E is externally configurable which allows independent gain control from multiple sources by summing signals from each function.
IS31AP2010E is available in UTQFN-9 packages. It operates from 2.7V to 5.5V over the temperature range of -40°C to +85°C.

FEATURES
• Supply voltage from 2.7V ~ 5.5V
• High efficiency
• Less than 1μA shutdown current
• Optimized PWM output stage eliminates LC
   output filter
• Fully differential design reduces RF rectification
   and eliminates bypass capacitor
• Improved CMRR eliminates two input coupling
   capacitors
• Integrated click-and-pop suppression circuitry
• UTQFN-9 package
• RoHS compliant and 100% lead(Pb)-free

APPLICATIONS
• Wireless or cellular handsets and PDAs
• Portable DVD player
• Notebook PC
• Portable radio
• Educational toys
• Portable gaming