SBAS958A December 2019 – June 2020 ADC3421-Q1
PRODUCTION DATA.
In this mode, an internally generated DC voltage can be forced by device to its analog inputs. Before forcing internal DC voltage, analog inputs must float. To enable forcing internal DC voltage, register bit EN DC FORCE must be set HIGH. Forced voltage is programmable by register bits DC FORCE[2:0], applied to all four channels together. In terms of output code, typical value of programmed DC voltage is given by equation mentioned below:
Output code= 368 × DC FORCE[2:0] + 745.
Output code is available on LVDS data outputs.