STH4010 Datasheet | Sitch Semiconductors

2.5-W MONO FILTER-FREE CLASS-D AUDIO POWER AMPLIFIER JULY 2006 Features - Maximum Battery Life and Minimum Heat - Efficiency With an 8-Ω Speaker: - 88% at 400 m W - 80% at 100 m W - 2.8-m A Quiescent Current - 0.5-µA Shutdown Current - Only Three External ponents - Optimized PWM Output Stage Eliminates LC Output Filter - Internally Generated 250-k Hz Switching Frequency Eliminates Capacitor and Resistor - Improved PSRR (- 75 d B) and Wide Supply Voltage (2.5 V to 5.5 V) Eliminates Need for a Voltage Regulator - Fully Differential Design Reduces RF Rectification and Eliminates Bypass Capacitor - Improved CMRR Eliminates Two Input Coupling Capacitors - Wafer Chip Scale Packaging (WCSP) - Nano Free™ Lead-Free (YZF) - Nano Star™ Sn Pb (YEF) APPLICATIONS - Ideal for Wireless or Cellular Handsets and PDAs DESCRIPTION The STH4010 is a 2.5-W high efficiency filter-free class-D audio power amplifier (class-D amp) in a 1,45 mm × 1,45 mm wafer...