TPA2000D4 - Stereo 2-W Class-D Audio Power Amplifier
LINN LINP HPLIN GAIN0 GAIN1 PVDDL LOUTP PGNDL PGNDL LOUTN PVDDL HPLGAIN HPLOUT MODE HPRGAIN HPROUT DAP PACKAGE (TOP VIEW) 1 32 2 31 3 30 4 29 5 28 6 27 7 26 8 25 9 24 10 23 11 22 12 21 13 20 14 19 15 18 16 17 RINN RINP HPRIN BYPASS SHUTDOWN PVDDR ROUTP PGNDR PGNDR ROUTN PVDDR NC VDD COSC ROSC AGN
TPA2000D4 STEREO 2ĆW CLASSĆD AUDIO POWER AMPLIFIER WITH STEREO HP AMPLIFIER SLOS337B DECEMBER 2000 REVISED NOVEMBER 2005 D Ideal for Notebook PCs and USB-Powered Speakers D 2 W Into 4 Ω From 5-V Supply D Integrated Class-AB Headphone Amplifier D Second-Generation Modulation Technique Filterless Operation Improved Efficiency D Low Supply Current .
.
.
9 mA typ at 5 V D Shutdown Control .
.
.
< 0.05 µA Typ D Shutdown Pin Is TTL Compatible D 40°C to
TPA2000D4 Features
* make the device ideal for use in notebook PCs where high-efficiency is needed to extend battery run-time. For speakers powered off the USB bus, the high-efficiency allows for higher output power levels without tripping the USB’s overcurrent circuitry. The gain of the amplifier is controlled by tw
