Audio ClassAB Part No. Stereo/ Mono Output Power(W) with Load Vdd/Vcc Earphone Function Input Output Datasheet PKG Note LY8891 Mono 1.4W/8Ω 2.0W/4Ω 2.5V~5.5V none Single-end BTL 8 MSOP (118mil)* - 8 DFN (3x3mm) LY8893 Mono 1.4W/8Ω 2.5V~5.5V yes Single-end SE/BTL 8 MSOP (118mil)* shutdown high enable LY8895 Mono 1.4W/8Ω 2.5V~5.5V yes Single-end SE/BTL 8 MSOP (118mil)* - LY8896 Mono 1.4W/8Ω 2.5V~5.5V none Single-end BTL 8 SOP (150mil)* shutdown high enable LY8661 Stereo 1.4W/8Ω 2.0W/4Ω 2.5V~5.5V yes Single-end SE/BTL 16 SOP (150mil)* SOP 16 support selectable shutdown 16 QFN(4x4mm) 16 QFN(3x3mm) LY8663 Stereo 1.4W/8Ω 2.0W/4Ω 2.5V~5.5V yes Single-end SE/BTL 16 TSSOP (173mil) Support thermal pad only shutdown high enable Audio ClassD Part No. Stereo/ Mono Output Power(W) with Load Vdd/Vcc Earphone Function Input Output Datasheet PKG Note LY8005 Mono 2.0W/8Ω 3.3W/4Ω 2.5V~5.5V none Differential BTL 8 MSOP (118mil) - LY8006 Mono 2.0W/8Ω 3.3W/4Ω 2.5V~5.5V none Single-end BTL 8 MSOP (118mil) - LY8009 Mono 5.5W/2Ω 3.6W/4Ω 2.5V~5.5V none Single-end BTL 8 ESOP (150mil) - With thermal pad. LY8010 Mono 2.0W/8Ω 3.3W/4Ω 2.5V~5.5V none Differential BTL 8 DFN (3x3mm) - LY8209 Stereo 2.0W/8Ω 3.3W/4Ω 2.5V~5.5V none Single-end BTL 10 MSOP (118mil) - LY8212 Stereo FM Enhance 2.0W/8Ω 3.3W/4Ω 2.5V~5.5V none Single-end BTL 16 SOP (150mil) - 16 QFN (4x4mm) LY8221 Stereo 3D Enhance 1.8W/8Ω 3.0W/4Ω 2.5V~5.5V none Single-end BTL 16 SOP (150mil) - 16 QFN (5x5mm)(*2) LY8261 Stereo Mute function / FM Enhance 2.0W/8Ω 3.3W/4Ω 2.5V~5.5V yes Single-end SE/BTL 16 SOP (150mil) - 1. Shutdown function normal low enable. 2. * Support 8Ω output loading only.