OPA691: OPA691: Optimum value of the feedback resistance for ±3.3V supply rail.

The BW vs gain and Rf is reasonably constant with supply voltage, 1kohm sounds high for gain of 10 - you could try to simulate that in TINA. 

If you need better BW vs Gain the OPA684 does a better job at higher gains if its about 120Mhz is good enough. 

Hello Shobha,

1) As Michael said, BW vs gain/RF are constant with supply voltage. So, the specs should remain constant for various power supply/rail configurations.

2) Small signal frequency response for different gain settings with recommended feedback values:

The simulation models for the OPA691 are located here.

Thank you,

Sima 

I had some previous sim files already set up, here is the OPA684 at gain of 10, Rf=900ohms - the models generally do not try to include much in the way of supply variation on AC results, I put it to +/-3.3V supplies for this app, but +/-5V would look the same

And then dropping in the OPA691 to this same schematic, this is due to the higher inverting input R for the OPA691. The OPA684 was a unique CFA in that the buffer across the inputs was closed loop to reduce the open loop impedance looking back into the inverting input - this really helps the higher gain BW hold up better than more classical CFA designs like the OPA691. 

TINA file with the OPA684, 

OPA684 non-inverting gain of 10.TSC