Samsung
DUAL TIMER
Philips Electronics
Internally-compensated dual low noise operational amplifier
ON Semiconductor
Single Low Noise Operational Amplifier
Philips Electronics
Dual and single low noise op amp
ON Semiconductor
Dual Operational Transconductance Amplifier
Philips Electronics
Dual operational transconductance amplifier
ON Semiconductor
Internally Compensated Dual Low Noise Operational Amplifier
Motorola => Freescale
Timing Circuits