STMicroelectronics E-TDA7391PDTR Audio Amplifier Function: Speaker Audio Amplifier Output Configuration: 1-Channel Mono Dual Supply Voltage (max): Not RequiredV Dual Supply Voltage (min): Not RequiredV Dual Supply Voltage (typ): Not RequiredV Lead Free Status / Rohs Status: Compliant Mounting: Surface Mount Operating Temp Range: -40C to 150C Operating Temperature Classification: Automotive Operational Class: Class-AB Output Power (typ): 40x1@4OhmW Package Type: PowerSO Pin Count: 20 Power Dissipation: 32W Power Supply Requirement: Single Rail/rail I/o Type: Rail to Rail Output Series: * Single Supply Voltage (max): 18V Single Supply Voltage (min): 8V Single Supply Voltage (typ): 9/12/15V