MAX11120–MAX11128
1Msps, Low-Power, Serial 12-/10-/8-Bit,
4-/8-/16-Channel ADCs
Table 3. ADC Scan Control (continued)
SCAN3 SCAN2 SCAN1 SCAN0
MODE NAME
FUNCTION
Scans channels 0 through N
Clock mode: External clock
0
1
0
0
Standard_Ext
Channel scan/sequence: N channels in ascending order
Channel selection: See Table 4, CHSEL[3:0] determines channel N
Averaging: No
Scans channel N through the highest numbered channel. The FIFO
stores X conversion results where:
X = Channel 16–N
X = Channel 8–N
16-channel devices
8-channel devices
4-channel devices
X = Channel 4–N
0
1
0
1
Upper_Int
Clock mode: Internal clock
Channel scan/sequence: Channel N through the highest numbered
channel in ascending order
Channel selection: See Table 4, CHSEL[3:0] determines channel N
Averaging: Yes
Scans channel N through the highest numbered channel
Clock mode: External clock
Channel scan/sequence: Channel N through the highest numbered
channel in ascending order
0
0
1
1
1
1
0
1
Upper_Ext
Channel selection: See Table 4, CHSEL[3:0] determines channel N
Averaging: No
Scans preprogrammed channels in ascending order. The FIFO
stores conversion results for this unique channel sequence.
Clock mode: Internal clock
Channel scan/sequence: Unique ascending channel sequence
Maximum depth: 16 conversions
Custom_Int
Channel selection: See Table 12, Custom Scan0 register and Table
13, Custom Scan1 register
Averaging: Yes
Scans preprogrammed channels in ascending order
Clock mode: External clock
Channel scan/sequence: Unique ascending channel sequence
Maximum depth: 16 conversions
1
0
0
0
Custom_Ext
Channel selection: See Table 12, Custom Scan0 register and Table
13, Custom Scan1 register
Averaging: No
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