creating differential voltage | Electronics › Electronics › creating differential voltage This topic has 1 reply, 2 voices, and was last updated 8 years, 11 months ago by Prabakaran P M. Viewing 2 posts - 1 through 2 (of 2 total) Author Posts September 28, 2015 at 4:45 pm #4016 Akash J NairParticipant How can i create a differntial voltage input for an adc 0808 using 9V battery? September 29, 2015 at 12:40 pm #13333 Prabakaran P MParticipant Hi, You can connect Vref(-) to the ground and Vref(+) to the output of 7805 voltage regulator if you need 5V. Author Posts Viewing 2 posts - 1 through 2 (of 2 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In