Cx31993 Datasheet Fix Hot ((install)) Jun 2026

The CX31993 includes a built-in headphone amplifier. The datasheet specifies a minimum output load of 16Ω and requires a on each output line (L_OUT, R_OUT) for stability. Cheap dongles omit these components to save cost. Without them, the amp oscillates at 1-5 MHz, drawing continuous current even during silence.

The Real Issue with the Spark (CX31993 + MAX97220) : r/iemlndia cx31993 datasheet fix hot

: If using a PC, ensure the system is properly grounded, as grounding issues can cause static that accompanies the heating. The CX31993 includes a built-in headphone amplifier