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OPA859: TIA with Gain switching

Part Number: OPA859
Other Parts Discussed in Thread: TMUX136, OPA3S328, OPA3S2859-EP, LMH32401, OPA3S2859


This is very similar to the question posted in the forum

1. We have 4 quadrant detectors and has its own TIA and Feedback Mux (tmux136) for gain switching 

2. We have a very high noise for a very low signal. We are getting better performance when we remove the MUX in the feedback.

Its pulsed application and need  a bandwidth of Min 30MHz 

Can anyone suggest a better approach to switch the gain to support a large current range (1uA to 15mA..)?

Can we try opa3s328 ?