The TPA2005D1 is a 1-W high efficiency filter-free class-D audio power amplifier in a MicroStar BGA package that requires only three external components. It is ideal for small battery operated electronics including wireless or cellular handsets, personal digitalassistants (PDAs), and voice recorders.
Features
- Modulation Scheme Optimized to Operate Without a Filter
- 1.1 W Into an 8 Ohm Speaker
- <0.2 % THD+N at 1 W, 1 kHz, Into an 8 Ohm Speaker
- Only Three External Components:
- Optimized PWM Output Stage Eliminates LC Filter
- 80-dB PSRR and Wide Supply Voltage for Direct Connect to Battery
- Fully Differential Design Reduces RF Rectification and Eliminates Bypass Capacitor
- Improved CMRR Eliminates Input Capacitors
- Integrated Depop Circuitry