what IC´s can duplicate an analog signal?
is there any IC that has IN, OUT1, OUT2?


No, because each amplifier requires its own feedback circuit. Making individual op-amps is much more flexible. You can get quad op-amps in a single package so two of those would do for your application.







simulate this circuit &ndash; Schematic created using CircuitLab

Figure 1. A minimal solution.

Your question doesn't explain why Figure 1 would not be suitable.