PA3431 Datasheet | Unisonic Technologies

UNISONIC TECHNOLOGIES CO., LTD PA3431 2W STEREO AUDIO AMPLIFIER - 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 d B, 10 d B, 15.6 d B, and 21.6 d B (inverting). Other Features : the SHDN mode is supported to disable UTC PA3431 for the low current consumption applications; the current consumption can be reduced to typically 110µA. - Features - 2W Output power into 4Ω load from 5V supply each channel - Gain control internally - Differential input fully - Depop circuitry - Shutdown protection thermally - ORDERING INFORMATION Ordering Number PA3431G-N20-R Package HTSSOP-20 CMOS IC Packing Tape Reel - MARKING .unisonic..tw Copyright © 2016 Unisonic Technologies Co., Ltd 1 of 11 QW-R502-225.C - PIN CONFIGURATION GND GAIN0 GAIN1 1 2 3 LOUT+ LIN- PVDD RIN+ LOUTLIN+ 4 5 6 7 8 9 BYPASS 10 20 GND 19 SHUTDOWN 18 ROUT+ 17 RIN16 VDD 15 PVDD 14 ROUT13 GND 12 NC 11...