STMicroelectronics STA333BW Audio Amplifier Function: Speaker Audio Amplifier Output Configuration: 1-Channel Mono/2-Channel Stereo Dual Supply Voltage (max): 3.6/21.5V Dual Supply Voltage (min): 2.7/4.5V Dual Supply Voltage (typ): 3.3/5/9/12/15/18V Lead Free Status / Rohs Status: Compliant Mounting: Surface Mount Operating Temp Range: -20C to 70C Operating Temperature Classification: Commercial Operational Class: Class-AB Package Type: PowerSSO EP Pin Count: 36 Power Supply Rejection Ratio: 80dB Power Supply Requirement: Quad Rail/rail I/o Type: No Single Supply Voltage (max): Not RequiredV Single Supply Voltage (min): Not RequiredV Single Supply Voltage (typ): Not RequiredV Total Harmonic Distortion: 0.2@8Ohm@1W%