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Mixed-Signal Product BU (BU2)

Elite Semiconductor Memory Technology Inc. Mixed-Signal Product BU (BU2). AD52068. 20Wx2 Stereo Class-D Filter-Free Audio Amplifier with Power Limit. Features. Single supply voltage 4.5V ~ 24V for loudspeaker driver Built-in LDO Loudspeaker power from 24V supply

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Mixed-Signal Product BU (BU2)

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  1. Elite Semiconductor Memory Technology Inc. Mixed-Signal Product BU (BU2) AD52068 20Wx2 Stereo Class-D Filter-Free Audio Amplifier with Power Limit Proprietary/Do not distribute

  2. Features • Single supply voltage • 4.5V ~ 24V for loudspeaker driver • Built-in LDO • Loudspeaker power from 24V supply • BTL Mode: 20W/CH into 8 Ω @<10% THD+N • PBTL Mode: 40W/CH into 4 Ω @<10% THD+N • Loudspeaker power from 12V supply • BTL Mode: 10W/CH into 8 Ω @10% THD+N • Adjustable power limit function for speaker protection • Filter-Free operation • Superior EMC performance Proprietary/Do not distribute

  3. Functional Block Diagram Proprietary/Do not distribute

  4. Pin Assignments Proprietary/Do not distribute

  5. Typical Application Circuit L Channel Input Main Chip R Channel Input Proprietary/Do not distribute

  6. Operating Gain settings The gain of the AD52068 is set by two input pins, GAIN0 and GAIN1 Proprietary/Do not distribute

  7. Power Limit Function Proprietary/Do not distribute

  8. Performance Proprietary/Do not distribute

  9. Performance Proprietary/Do not distribute

  10. Thermal Performance Proprietary/Do not distribute

  11. Competitor List Proprietary/Do not distribute

  12. Performance THD + N (%) v.s. Output power (8ohm load) Gain=20dB Load=8ohm+66uH 5V 24V 18V 12V Proprietary/Do not distribute

  13. Performance Proprietary/Do not distribute

  14. Fin=1KHz Fin=10KHz Fin=20Hz Performance TPA3110D2 AD52068 PVDD=12V THD vs. output power Proprietary/Do not distribute

  15. Fin=1KHz Fin=10KHz Fin=20Hz Performance TPA3110D2 AD52068 PVDD=18V Thd vs. output power Proprietary/Do not distribute

  16. EMC Report • PVDD=12V load=8ohm Po=8W • AMP :AD52068 TV board name: TSUMV59 • Source :USB 1k 0dB Sinewave Under -7.59dB Proprietary/Do not distribute

  17. Why ESMT win • AD52068 is Inductor Free audio amplifier • High performance and Low cost • Low EMI solution • Strong manufacturing capability with stringent quality and reliability assurance Proprietary/Do not distribute

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