We are working on AD7761 sigma delta ADC. We have to integrate the ADC with FPGA Artix 7. We are very new to the FPGA and looking forward forward complete Vivado project for AD7761.
We currently don't have an AD7761 reference design.
We do have an AD7768 design, which at a brief look seems with a similar interface, maybe you can start from that (https://github.com/analogdevicesinc/hdl/tree/master/projects/ad7768evb) with the interface defined at https://github.com/analogdevicesinc/hdl/blob/master/projects/ad7768evb/common/ad7768_if.v . In case the interface is ok, we don't use any primitive so it should compile fine on an Artix 7 device.