Fairchild Semiconductor
Quad Operational Amplifier
First Components International
Quad Differential Input Operational Amplifier
Motorola => Freescale
QUAD DIFFERENTIAL INPUT OPERATIONAL AMPLIFIERS
ON Semiconductor
Single Supply Quad Operational Amplifiers
Unisonic Technologies
QUAD OPERATIONAL AMPLIFIERS
Fairchild Semiconductor
Quad Operational Amplifier
ROHM Semiconductor
SIGNATURE SERIES Operational Amplifiers