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LM2776 audio band noise

Randhir Kalsi
Expert 4545 points
Other Parts Discussed in Thread: LM2776

Hello team,

Hope you are well.

Also, would appreciate your insight and feedback regarding unexpected noise being observed in the audio band when using LM2776.

Application:

  • LM2776 is being used as an inverter for +/- 5VDV 
  • Customer expected 50 mA draw but is seeing around 35 mA 
  • Noise problems observed at 3kHz/6lHz/9kHz

Please send me a private email in regards to additional proprietary information (for example: schematic).

Regards,

Randhir Kalsi

TSR