深圳市科瑞芯电子有限公司

LPSemi/微源半导体 LPA2173 ESOP-8 具有均衡器功能的8W单声道F类音频放大器

General Description

The LPA2173 is a 8W, class-F audio amplifier with amode pin for switch the work mode. It offers low THD+N,allowing it to achieve high-quality Power Supply soundreproduction. The new filterless architecture allows thedevice to drive the speaker directly requiring no low-passoutput filters, thus to save the system cost and PCB area.The LPA2173 is available in ESOP-8.

Features

◆ Shutdown current:<3uA

◆ 500KHz fixed frequency switching for amplifier

◆ 8W Output at 10% THD with a 2Ω Load and 6.0V VDD for amplifier

◆ 3.4W Output at 10% THD with a 4Ω Load and 5V VDD for amplifier

◆ 2.7W Output at 1% THD with a 4Ω Load and 5V VDD for amplifier

◆ Filterless, Low Quiescent Current and Low EMI

◆ Amplifier Efficiency up to 85%

◆ Free LC filter digital modulation, direct-drive speakers

◆ Short Circuit Protection

◆ Thermal Shutdown

◆ Few external components to save the space and cost

◆ Pb-Free Package

Applications

◆ Portable Bluetooth Speaker

◆ Cellular and Smart mobile phone

◆ Square Speaker

产品规格书（部分）