TPA2031D1
www.ti.com. SLOS546 – MAY 2008 2.5-W MONO FILTER-FREE CLASS-D AUDIO POWER AMPLIFIER
FEATURES APPLICATIONS Pin-to-Pin Compatibility with TPA2010D1 32 ms Start-up Time Eliminates CODEC
Click/Pop noise Maximum Battery Life and Minimum Heat
– Efficiency With an 8-Ω Speaker:
– 88% at 400 mW
– 2.8-mA Quiescent Current
– 0.5-µA Shutdown Current Only Three External Components
– Optimized PWM Output Stage Eliminates
LC Output Filter
– Improved PSRR (–75 dB) 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)
– NanoFree™ (YZF) 1 2 Ideal for Wireless or Cellular Handsets and
PDAs DESCRIPTION
The TPA2031D1 is a 2.5-W high efficiency filter-free
class-D audio power amplifier in a 1,45 mm Г— 1,45
mm wafer chip scale package (WCSP) that requires …
