Hello all,
I am trying to decide on which IC to use in my application.
I have attached a picture that shows my initial schematic. I currently use 9 LM6181 ICs and would like to replace them with 3 ICs, each at the i/p side and the output side while one for summing. The input signal is a negative going signal and the output should be positive going. For summing, I would prefer to use LM6181 (any other better suggestions?) and sum at inverting input. The op-amp before the output needs to be a variable gain from 1 to 4 for all 4 channels.
The key features I am looking at is better output flatness without much peaking, unity gain stable at the input and atleast 40MHz bandwidth. The input signal from the pre-amps vary from 0V to -1V max, with a bandwidth of DC to 50MHz max. Power supply ±5VDC.
AD8004
HFA1412
LMH6722
thanks
I am trying to decide on which IC to use in my application.
I have attached a picture that shows my initial schematic. I currently use 9 LM6181 ICs and would like to replace them with 3 ICs, each at the i/p side and the output side while one for summing. The input signal is a negative going signal and the output should be positive going. For summing, I would prefer to use LM6181 (any other better suggestions?) and sum at inverting input. The op-amp before the output needs to be a variable gain from 1 to 4 for all 4 channels.
The key features I am looking at is better output flatness without much peaking, unity gain stable at the input and atleast 40MHz bandwidth. The input signal from the pre-amps vary from 0V to -1V max, with a bandwidth of DC to 50MHz max. Power supply ±5VDC.
AD8004
HFA1412
LMH6722
thanks
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