LPA2105-Class D 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
LPA2105 2.5-6.0 Class D 6W,5V@2Ω,10% 1 -72 X X 0.1 SOP8

Filterless 6W Class- D Mono Audio Amplifier

General Description

The LPA2105 is a 6W, class-D audio amplifier. 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 LPA2105 is available in SOP-8.


 Portable Bluetooth Speaker
 Cellular and Smart mobile phone
 Square Speaker


 Shutdown current:<5uA
 480KHz fixed frequency switching for amplifier
 5.6W Output at 10% THD with a 2 Ω Load and 5V PVDD for amplifier
 4.4W Output at 1% THD with a 2 Ω Load and 5V PVDD for amplifier
 3.3W Output at 10% THD with a 4 Ω Load and 5.0V PVDD 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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