Description
The BL6311B is a 3-W high efficiency filter-free class-D audio power amplifier in a wafer chip scale package (WCSP) that requires only three external components.
Features
- Efficiency With an 8-Ω Speaker: 88% at 400 mW 80% at 100 mW
2.6mA Quiescent Current 0.4µA Shutdown Current Optimized PWM Output Stage Eliminates LC Output Filter Internally Generated 250-kHz Switching Frequency Eliminates Capacitor and Resistor Improved PSRR (.
- 75 dB) and Wide Supply Voltage (2.8 V to 5.5 V) Eliminates Need a Voltage Regulator Fully Differential Design Reduces RF Rectification and Eliminates Bypass Capacitor Improved CMRR Eliminates Two Input Coupling Capacitors Available.
BL6311B Datasheet
