Electronic Components Newsletter Signup
Get the Engineering360
Stay up to date on:
Products and processes for electronics design and innovations on solving practical problems with interconnect devices.

Ground Isolation Amplifier

Product Announcement from ROHM Semiconductor USA, LLC

Ground Isolation Amplifier-Image

ROHM's BA3121F ground isolation amp is compatible with compact external capacitors and eliminates noise generated by wiring resistance in electrical circuits. Additional features include low distortion and high common mode rejection.

Ideal applications include car audio, high performance speaker boxes, and portable audio players (i.e. iPod).


  • Compatible with compact capacitors
  • High common mode rejection ratio (57dB typ. at f=1kHz)
  • Low noise (VNO=3.5uVrms)
  • Low distortion (THD=0.002% typ.)
  • Dual-channel