LPA2104A-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
LPA2104A 2.5-5.5 Class D 3W,5V@4Ω,10% 1 -70 X X 2 SOP8L

Filterless 3W Class- D Mono Audio Amplifier

General Description

The LPA2104A is a 3W, 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 LPA2104A is available in SOP-8.


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



     Shutdown current:<1uA
 550KHz fixed frequency switching for amplifier
 3W Output at 10% THD with a 4Ω Load and 5V VDD for amplifier
 2.3W 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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