Philips Electronics
Low power quad op amps
Unisonic Technologies
QUADRUPLE OPERATIONAL AMPLIFIERS
STMicroelectronics
LOW POWER QUAD OPERATIONAL AMPLIFIERS
ON Semiconductor
Single Supply Quad Operational Amplifiers
Fairchild Semiconductor
Quad Operational Amplifier
ON Semiconductor
Single Supply Quad Operational Amplifiers
Motorola => Freescale
QUAD DIFFERENTIAL INPUT OPERATIONAL AMPLIFIERS
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