PA3431 Description
As a stereo audio speaker which is operating on a single 5V supply, the UTC PA3431 is capable of delivering 2W of output power per channel into 4Ω loads in Bridge-Tied Load (BTL) mode with less than 1% THD+N. Way of two terminals (GAIN0 and GAIN1) can configured and control the amplifier gain. It also provided BTL gain settings of 6 dB, 10 dB, 15.6 dB, and 21.6 dB (inverting).