LPA2173-Class F Amplifiers

产品型号 输入电压(V) 类型 输出功率(W) 输出通道 PSRR(dB) 增益控制 短路保护 关断电流(uA) 封装 规格书
LPA2173 2.5-6.5 EQ,Class AB/D 5W,6.2V@4Ω,10% 1 -70 X X 2 ESOP8

8W Mono Class- F Audio Amplifier With EQ Function

General Description

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


Portable Bluetooth Speaker
Cellular and Smart mobile phone
Square Speaker



 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

Marking Information

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