DIOO DIO2140CM8

DIO2140 is a 2.8W high efficiency filter-free class-D audio amplifier, which needs only three external components. It optimized PwM output stage eliminates LC output filter. DIO2140 features its Filter-Free Class D architecture, which leads to a reduction of Peripheral components amount, PcB board area and system cost. And high efficiency up to 90% makes it suitable for cell phone and other mobile device application. Moreover, Dl02140 is also equipped with protection functions, such as short circuit protection function for speaker output terminal, thermal shutdown function for inside of the device, and under voltage lockout.

• Maximum Output: >2.5W output under 4 load
• Distortion Rate (THD): 0.05% (VDD = 5.0V, P0 = 1W)
• High Efficiency up to 83% at 400mW
• Filter-Free Class D architecture
• Needs only three External Components
• Short Circuit Protection Function
• Thermal Shutdown Function
• Under Voltage Lockout Function
• Green Package: DFN-8 and MSOP-8

• Wireless or Cellular Handsets and PDAs
• Personal Navigation Devices
• General Portable Audio Devices