MAX11129_12 Datasheet, PDF (28/36 Pages) Maxim Integrated Products – 3Msps, Low-Power, Serial 12-/10-Bit,8-/16-Channel ADCs

MAX11129–MAX11132
3Msps, Low-Power, Serial 12-/10-Bit,
8-/16-Channel ADCs
Table 10. Unipolar Register
BIT NAME
UNI_SETUP
BIT
15:11
DEFAULT
STATE
—
UCH0/1
10
0
UCH2/3
9
0
UCH4/5
8
0
UCH6/7
7
0
UCH8/9
6
0
UCH10/11
5
0
UCH12/13
4
0
UCH14/15
3
0
PDIFF_COM
2
0
—
1:0
000
FUNCTION
Set to 10001 to select the Unipolar register.
Set to 1 to configure AIN0 and AIN1 for pseudo-differential conversion.
Set to 0 to configure AIN0 and AIN1 for single-ended conversion.
Set to 1 to configure AIN2 and AIN3 for pseudo-differential conversion.
Set to 0 to configure AIN2 and AIN3 for single-ended conversion.
Set to 1 to configure AIN4 and AIN5 for pseudo-differential conversion.
Set to 0 to configure AIN4 and AIN5 for single-ended conversion.
Set to 1 to configure AIN6 and AIN7 for pseudo-differential conversion.
Set to 0 to configure AIN6 and AIN7 for single-ended conversion.
Set to 1 to configure AIN8 and AIN9 for pseudo-differential conversion.
Set to 0 to configure AIN8 and AIN9 for single-ended conversion.
Set to 1 to configure AIN10 and AIN11 for pseudo-differential conversion.
Set to 0 to configure AIN10 and AIN11 for single-ended conversion.
Set to 1 to configure AIN12 and AIN13 for pseudo-differential conversion.
Set to 0 to configure AIN12 and AIN13 for single-ended conversion.
Set to 1 to configure AIN14 and AIN15 for pseudo-differential conversion.
Set to 0 to configure AIN14 and AIN15 for single-ended conversion.
Set to 1 to configure AIN0–AIN14 to be referenced to one common DC voltage on
the REF-/AIN15. Set to 0 to disable the 15:1 pseudo differential mode.
Unused.
Table 11. Bipolar Register
BIT NAME
BIP_SETUP
BIT
15:11
DEFAULT
STATE
—
BCH0/1
10
0
BCH2/3
9
0
BCH4/5
8
0
BCH6/7
7
0
BCH8/9
6
0
BCH10/11
5
0
BCH12/13
4
0
BCH14/15
3
0
—
2:0
000
FUNCTION
Set to 10010 to select the Bipolar register.
Set to 1 to configure AIN0 and AIN1 for bipolar fully differential conversion.
Set to 0 to configure AIN0 and AIN1 for unipolar conversion mode.
Set to 1 to configure AIN2 and AIN3 for bipolar fully differential conversion.
Set to 0 to configure AIN2 and AIN3 for unipolar conversion mode.
Set to 1 to configure AIN4 and AIN5 for bipolar fully differential conversion.
Set to 0 to configure AIN4 and AIN5 for unipolar conversion mode.
Set to 1 to configure AIN6 and AIN7 for bipolar fully differential conversion.
Set to 0 to configure AIN6 and AIN7 for unipolar conversion mode.
Set to 1 to configure AIN8 and AIN9 for bipolar fully differential conversion.
Set to 0 to configure AIN8 and AIN9 for unipolar conversion mode.
Set to 1 to configure AIN10 and AIN11 for bipolar fully differential conversion.
Set to 0 to configure AIN10 and AIN11 for unipolar conversion mode.
Set to 1 to configure AIN12 and AIN13 for bipolar fully differential conversion.
Set to 0 to configure AIN12 and AIN13 for unipolar conversion mode.
Set to 1 to configure AIN14 and AIN15 for bipolar fully differential conversion.
Set to 0 to configure AIN14 and AIN15 for unipolar conversion mode.
Unused.
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