plzz help whether it will be possible to design fully diff amp with above specs r not..
if nt possible will it be possible to meet atleast any 3 of them can be met r nt(including gain) r around which values we can design them plzz help(gain and GBW is must)
How much is the load capacitance?
How much should be the power consumption?
What is the process technology? CMOC, BiCMOS...
What is the feature size?
Above questions are very important to answer then ask about the amp specs. Also specs 1, 2, 4 and 5 is easily achievable, but 3 is extraordinarily difficult. You have to use either autozeroing or chopper stabilization. otherwise the offset should be more than ~5mv.
i think a folded-cascode amplifier may satisfy the spec.
you need calculate the important transistors' w/l
firstly, some transistor parameters should be known, such as u*Cox, lambda
then, calculate the w/l of the important transistors by the given spec.
lastly, need much time to simulate the circuit and adjust the w/l
for detailed calculation, you can refer to Allen's CMOS Analog Circuit Design
good luck
actually i require maximum values of each of them may be one can be comprimised but i dont know wat r the achievable maximum values plzz suggest them n topology ...just entered to this field sooo dont no much cud u plzzz guide mee its very urgent plzzzz