ON Semiconductor
Single Supply Quad Operational Amplifiers
Fairchild Semiconductor
Quad Operational Amplifier
STMicroelectronics
Low Power Quad Operational Amplifiers
Philips Electronics
Low power quad op amps
STMicroelectronics
LOW POWER QUAD OPERATIONAL AMPLIFIERS
Intersil
Quad, 1MHz, Operational Amplifiers for Commercial, Industrial, and Military Applications