Data Sheet 27621.4C* 3121, 3122, AND 3123 HALL-E.
BA3121 - Ground isolation amplifier
TPA3121D2 - 15-W STEREO CLASS-D AUDIO POWER AMPLIFIER
BA3121N - Ground isolation amplifier
BA3121F - Ground isolation amplifier
A3121 - HALL-EFFECT SWITCHES FOR HIGH-TEMPERATURE OPERATION
VTA3121 - Photo Transistor Chips