MAX11321 Datasheet, PDF (33/37 Pages) Maxim Integrated Products – 1Msps, 10-/12-Bit, 4-/8-/16-Channel ADCs with Post-Mux External Signal Conditioning Access

MAX11321–MAX11328
1Msps, 10-/12-Bit, 4-/8-/16-Channel ADCs with
Post-Mux External Signal Conditioning Access
INTERNAL
INTERNAL/EXTERNAL
CLOCK
EXTERNAL
REPEAT
NO
YES
NO
AVERAGE
YES
ADC CONFIGURATION REGISTER
SET AVG ON BIT TO 1
SET NAVG[1:0] TO N
ADC CONFIGURATION REGISTER
SET NSCAN[1:0] FOR SCAN COUNT
ADC MODE CONTROL REGISTER
SET SCAN[3:0] TO 0001
SET CHSEL[3:0] TO CHANNEL NUMBER
SELECT THE PM[1:0] BITS
YES
MANUAL
NO
STANDARD-INT
NO
UPPER-INT
NO
CUSTOM-INT
NO
ADC MODE CONTROL REGISTER
SET SCAN[3:0] TO 0010
SET CHSEL[3:0] TO CHANNEL NUMBER
SELECT THE RIGHT SWCNV BIT
YES
NO
AVERAGE
YES
ADC CONFIGURATION REGISTER
SET AVG ON BIT TO 1
SET NAVG[1:0] TO N
ADC MODE CONTROL REGISTER
SET SCAN[3:0] TO 0011
SET CHSEL[3:0] TO CHANNEL NUMBER
SELECT THE RIGHT SWCNV BIT
YES
NO
AVERAGE
YES
ADC CONFIGURATION REGISTER
SET AVG ON BIT TO 1
SET NAVG[1:0] TO N
ADC MODE CONTROL REGISTER
SET SCAN[3:0] TO 0101
SET CHSEL[3:0] TO CHANNEL NUMBER
SELECT THE RIGHT SWCNV BIT
YES
NO
AVERAGE
YES
ADC CONFIGURATION REGISTER
SET AVGON BIT TO 1
SET NAVG[1:0] TO N
SET CUSTOM Scan0 REGISTER
SET CUSTOM Scan1 REGISTER
ADC MODE CONTROL REGISTER
SET SCAN[3:0] TO 0111
SET CHSEL[3:0] TO CHANNEL NUMBER
SELECT THE RIGHT SWCNV BIT
Figure 12. ADC Mode Select Programming Sequence
Maxim Integrated
ADC MODE CONTROL REGISTER
SET SCAN[3:0] TO 0100
SET CHSEL[3:0] TO CHANNEL NUMBER YES
STANDARD-EXT
NO
ADC MODE CONTROL REGISTER
SET SCAN[3:0] TO 0110
SET CHSEL[3:0] TO CHANNEL NUMBER YES
UPPER-EXT
NO
SET CUSTOM Scan0 REGISTER
SET CUSTOM Scan1 REGISTER
YES
ADC MODE CONTROL REGISTER
SET SCAN[3:0] TO 1000
SET CHSEL[3:0] TO CHANNEL NUMBER
CUSTOM-EXT
NO
SampleSet REGISTER
SET SEQ_DEPTH[7:0] TO SET
SampleSet
CHANNEL CAPTURE DEPTH
YES
FOLLOW SampleSet REGISTER WITH
CHANNEL PATTERN OF THE SAME SIZE
AS SEQUENCE DEPTH
ADC MODE CONTROL REGISTER
SET SCAN[3:0] TO 1001
SET CHSEL[3:0] TO CHANNEL NUMBER
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