80 mW per channel into 16 Ohm — what it drives
The LM4929MM is a Texas Instruments Boomer® Class AB stereo headphone amplifier delivering 80 mW per channel into a 16 Ohm load. That output level is enough to drive consumer earbuds or low-impedance headphones to comfortable listening volume from a single Li-Ion cell, since the supply range spans 2V to 5.5V.
Package and supply integration
Housed in a 10-VSSOP (3.00 mm wide MSOP) package, the LM4929MM fits compact portable audio PCBs where board area is tight. The 2V to 5.5V supply rail means it runs directly from a single lithium cell without an extra regulator.