This product is a 2W stereo audio power amplifier with DirectPath™ stereo headphone drive and 3.3V low dropout regulator, supporting Windows Vista™, with high PSRR and good RF rectification immunity.
The TPA6043A4 is a stereo audio power amplifier and DirectPath headphone amplifier in a thermally enhanced, space-saving 32-pin QFN package. The speaker amplifier can drive 2 W per channel continuously into 4-Ω loads at 5 V, while the headphone amplifier achieves a minimum of 85 mW at 1% THD+N from a 5-V supply.
| Supply Voltage Range (HPVDD, VDD, SPVDD) | 0.3 to 6 V |
|---|---|
| Operating Free-Air Temperature Range | -40 to 85 °C |
| Speaker Amplifier Gain Options | 6, 10, 15.6, 21.6 dB and Fixed -1.5 V/V |
| Headphone Amplifier Gain | -1.5 V/V (Fixed) |
| Internal Regulator Output Voltage | 3.3 V |
The device operates over a free-air temperature range of -40°C to 85°C.
No, it features a DirectPath headphone amplifier that eliminates the need for output capacitors.
The absolute maximum rating for the supply voltages (HPVDD, VDD, SPVDD) is 6 V.