Cx31993 Datasheet Fix Hot Jun 2026

The (often branded by Conexant or Synaptics) is a popular budget USB-C DAC chip known for high-resolution audio (32-bit/384kHz) but frequently lacks an official, public datasheet. Users often report "hot" operating temperatures or overheating, especially when paired with an external amplifier like the MAX97220 .

The CX31993 has a digital gain stage before the analog amp. -6dB reduction halves the output voltage swing, drastically reducing heat waste. cx31993 datasheet fix hot

Have you successfully fixed a hot CX31993 dongle? Share your mod in the comments below. The (often branded by Conexant or Synaptics) is