Datasheet

MAX11634–MAX11637
12-Bit, 300ksps ADCs with Differential
Track/Hold, and Internal Reference
18 ______________________________________________________________________________________
BIT NAME BIT FUNCTION
— 7 (MSB) Set to 0 to select averaging register
— 6 Set to 0 to select averaging register
— 5 Set to 1 to select averaging register
AVGON 4 Set to 1 to turn averaging on. Set to 0 to turn averaging off.
NAVG1 3 Configures the number of conversions for single-channel scans
NAVG0 2 Configures the number of conversions for single-channel scans
NSCAN1 1 Single-channel scan count (scan mode 10 only)
NSCAN0 0 (LSB) Single-channel scan count (scan mode 10 only)
Table 6. Averaging Register*
AVGON NAVG1 NAVG0 FUNCTION
0 X X Performs 1 conversion for each requested result
1 0 0 Performs 4 conversions and returns the average for each requested result
1 0 1 Performs 8 conversions and returns the average for each requested result
1 1 0 Performs 16 conversions and returns the average for each requested result
1 1 1 Performs 32 conversions and returns the average for each requested result
NSCAN1 NSCAN0 FUNCTION (APPLIES ONLY IF SCAN MODE 10 IS SELECTED)
0 0 Scans channel N and returns 4 results
0 1 Scans channel N and returns 8 results
1 0 Scans channel N and returns 12 results
1 1 Scans channel N and returns 16 results
BIT NAME BIT FUNCTION
— 7 (MSB) Set to 0 to select reset register
— 6 Set to 0 to select reset register
— 5 Set to 0 to select reset register
— 4 Set to 1 to select reset register
RESET 3 Set to 0 to reset all registers; set to 1 to clear the FIFO only
X 2 Don’t care
X 1 Don’t care
X 0 (LSB) Don’t care
Table 7. Reset Register
* See below for bit details.