Megh
Newbie level 5
Hi,
Want to design a fully differential opamp used in active rc leap-frog filter composition. Filter amps has 14pF and 15K resistor in the feedback.
Gain requirement is 45dB min and GB should be 120MHz. 65nm 1.2V supply.
Tried standard 2 stage fully diff topology with miller comp. That consumes approx 1mA per amplifier. Want to reduce the current further.
Please suggest me any topologies.
Thanks
Want to design a fully differential opamp used in active rc leap-frog filter composition. Filter amps has 14pF and 15K resistor in the feedback.
Gain requirement is 45dB min and GB should be 120MHz. 65nm 1.2V supply.
Tried standard 2 stage fully diff topology with miller comp. That consumes approx 1mA per amplifier. Want to reduce the current further.
Please suggest me any topologies.
Thanks