======================SAMPLE_HOLD_ACCURACY=========================
                      
SAMPLE_HOLD           Sample Commmand                   
                        |
                        |<-----> Acquistion Time
                      | |     _ 
                      |_|_ _ /_\_ _ _ _ _ _ _ _ Specified Error Band
                      |_|___/___\__--___________________ Final Value
                      |_|_ _|_ _ \/ _ _ _ _ _ _ Specified Error Band
                      | |   |
                      | |   |  <-- cap charging
                      | |  /
                      |_|_/_____________________  
                        ^ ^ 
                        Switching time delay
                        (Aperture delay)

                            Hold Commmand           SAMPLE_HOLD
                            |
                            |<---> Hold mode settle Time
                      |     |       
                      |_____|__ _ _ _ _ _ _ _ _ _ Specified Error Band
                      |     |  \  /\  _____________________ Final Value
                      |     |_ _\/_ -- _ _ _ _ _ _ Specified Error Band
                      |     |   
                      |     |    _ Start Convert Pulse
                      |_____|___| |______________________