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
Tiger Electronic
QUAD OPERATIONAL AMPLIFIER
Bay Linear
Low Power Quad Operational Amplifiers