Maxim Integrated MAX9726BETP+T Features: Bass Boost, Depop, I??C, Mute, Short-Circuit and Thermal Protection, Shutdown, Volume Control Max Output Power X Channels @ Load: 124mW x 2 @ 16 Ohm Mounting Type: Surface Mount Output Type: Headphones, 2-Channel (Stereo) Package / Case: 20-TQFN Exposed Pad Series: DirectDrive?„? Type: Class AB Voltage - Supply: 2.7 V ~ 5.5 V RoHS: yes Product: Class-AB Output Power: 0.124 W x 2 at 16 Ohms THD plus Noise: 0.02 % at 32 Ohms at 30 mW Operating Supply Voltage: 3 V, 5 V Maximum Power Dissipation: 2051 mW Maximum Operating Temperature: + 85 C Mounting Style: SMD/SMT Audio Load Resistance: 32 Ohms Input Signal Type: Single Minimum Operating Temperature: - 40 C Output Signal Type: Single Factory Pack Quantity: 2500 Supply Type: Single Supply Voltage - Max: 5.5 V Supply Voltage - Min: 2.7 V