PA3427 Datasheet | Unisonic Technologies

DESCRIPTION The UTC PA3427 is a stereo audio speaker operated on a single 5V supply. It is capable of delivering 2W of output power per channel in Bridge-Tied Load mode into 4Ω load with less than 1% THD+N. Two terminals (GAIN0 and GAIN1) can configure and control the amplifier gain. In order to simplify the design of audio system in the notebook application, the two modes of Bridge-Tied Load (BTL) and Single-End (SE) mode drive the speakers and headphone respectively. The UTC PA3427 supports two input paths to choose two different amplitude AC signals through setting HP/ LINE pin. The UTC PA3427 is suitable for applications, such as stereo power amplifiers of notebooks or desktop puters, and multimedia monitors. - FEATURES - Depop circuitry integrated - BTL gain: 6d B, 10d B, 15.6d B, 21.6d B - SE gain: 4.1d B - Output power (THD+N:1%, supply voltage:5V) - 2.0W into a 4Ω load - 1.2W into a 8Ω load - With two mode :BTL and SE - Stereo input multiplexer - Fully differential input - Build-in gain control - PC-Beep input function - Thermal shutdown protection - ORDERING INFORMATION Ordering Number PA3427G-N24-R Package HTSSOP-24 Packing Tape Reel PA3427G-N24-R - MARKING (1)Packing Type (2)Package Type (3)Green Package (1) R: Tape Reel (2) N24: HTSSOP-24 (3) G: Halogen Free and Lead Free .unisonic..tw Copyright © 2015 Unisonic Technologies Co., Ltd 1 of 7 QW-R502-357.b - PIN CONFIGURATION GND/HS GAIN0 GAIN1 LOUT+ LLINEIN LPHIN PVDD RIN LOUTLIN BYPASS GND/HS 1 2 3 4 5 6 7 8 9 10 11 12 Preliminary 24 GND/HS 23 RLINEIN 22 SHUTDOWN 21 ROUT+ 20 RHPIN 19 VDD 18 PVDD 17 HP/LINE 16 ROUT- 15...