EVAL-AD5933EB Datasheet, PDF (22/40 Pages) Analog Devices – 1 MSPS, 12-Bit Impedance Converter, Network Analyzer

AD5933
PERFORMING A FREQUENCY SWEEP
PROGRAM FREQUENCY SWEEP PARAMETERS
INTO RELEVANT REGISTERS
(1) START FREQUENCY REGISTER
(2) NUMBER OF INCREMENTS REGISTER
(3) FREQUENCY INCREMENT REGISTER
Data Sheet
RESET: BY ISSUING A RESET COMMAND TO
CONTROL REGISTER THE DEVICE IS PLACED
IN STANDBY MODE.
PLACE THE AD5933 INTO STANDBY MODE.
PROGRAM INITIALIZE WITH START
FREQUENCY COMMAND TO THE CONTROL
REGISTER.
AFTER A SUFFICIENT AMOUNT OF SETTLING
TIME HAS ELAPSED, PROGRAM START
FREQUENCY SWEEP COMMAND IN THE
CONTROL REGISTER.
POLL STATUS REGISTER TO CHECK IF
THE DFT CONVERSION IS COMPLETE.
N
Y
READ VALUES FROM REAL AND
IMAGINARY DATA REGISTER.
Y
PROGRAM THE INCREMENT FREQUENCY OR
THE REPEAT FREQUENCY COMMAND TO THE
CONTROL REGISTER.
POLL STATUS REGISTER TO CHECK IF
N
FREQUENCY SWEEP IS COMPLETE.
Y
PROGRAM THE AD5933
INTO POWER-DOWN MODE.
Figure 28. Frequency Sweep Flow Chart
Rev. E | Page 22 of 40