Max Output Power x Channels @ Load is 3.2W x 2 @ 3 Ohm; 440mW x 2 @ 8 Ohm - Linear - Amplifiers - Audio Distributor - LM4863LQ/NOPB LM4863MTX/NOPB LM4863N

Part Number	Manufacturer / Brand	Brife Description	Part Status	Type	Output Type	Max Output Power x Channels @ Load	Voltage - Supply	Features	Mounting Type	Operating Temperature	Supplier Device Package	Package / Case
LM4863LQ/NOPB	Texas Instruments	IC AMP AUDIO POWER 3.2W STER 24QFN	Active	Class AB	2-Channel (Stereo) with Stereo Headphones	3.2W x 2 @ 3 Ohm; 440mW x 2 @ 8 Ohm	2 V ~ 5.5 V	Depop, Shutdown, Thermal Protection	Surface Mount	-40°C ~ 85°C (TA)	24-WQFN (4x5)	24-WFQFN Exposed Pad
LM4863MTX/NOPB	Texas Instruments	IC AMP AUDIO POWER 3.2W AB 20TSSOP	Obsolete	Class AB	2-Channel (Stereo) with Stereo Headphones	3.2W x 2 @ 3 Ohm; 440mW x 2 @ 8 Ohm	2 V ~ 5.5 V	Depop, Shutdown, Thermal Protection	Surface Mount	-40°C ~ 85°C (TA)	20-TSSOP	20-TSSOP (0.173", 4.40mm Width)
LM4863N	Texas Instruments	IC AMP AUDIO POWER 3.2W STER 16DIP	Obsolete	Class AB	2-Channel (Stereo) with Stereo Headphones	3.2W x 2 @ 3 Ohm; 440mW x 2 @ 8 Ohm	2 V ~ 5.5 V	Depop, Shutdown, Thermal Protection	Through Hole	-40°C ~ 85°C (TA)	-	16-DIP (0.300", 7.62mm)