Analog Devices AD7194 Manual page 26

AD7194
Channel Selection (Pseudo Bit = 0)
Table 22. Positive Input Selection
Positive Input Enable Bits in
the Configuration Register
CH7 CH6 CH5
0 0 0
0 0 0
0 0 1
0 0 1
0 1 0
0 1 0
0 1 1
0 1 1
1 0 0
1 0 0
1 0 1
1 0 1
1 1 0
1 1 0
1 1 1
1 1 1
Table 24. Channel Selection (Pseudo Bit = 1)
Channel Enable Bits in the Configuration Register
CH7 CH6 CH5
0 0 0
0 0 0
0 0 1
0 0 1
0 1 0
0 1 0
0 1 1
0 1 1
1 0 0
1 0 0
1 0 1
1 0 1
1 1 0
1 1 0
1 1 1
1 1 1
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Positive
Status
Input Enabled
Register Bits
CH4 AIN(+) CHD[3:0]
0 AIN1 0000
1 AIN2 0001
0 AIN3 0010
1 AIN4 0011
0 AIN5 0100
1 AIN6 0101
0 AIN7 0110
1 AIN8 0111
0 AIN9 1000
1 AIN10 1001
1010
0 AIN11
1 1011
AIN12
0 1100
AIN13
1 1101
AIN14
0 1110
AIN15
1
AIN16 1111
CH4 CH3 CH2 CH1
0 X X X
1 X X X
0 X X X
1 X X X
0 X X X
1 X X X
0 X X X
1 X X X
0 X X X
1 X X X
0 X X X
1 X X X
0 X X X
1 X X X
0 X X X
1 X X X
Table 23. Negative Input Selection
Negative Input Enable Bits in the
Configuration Register
CH3 CH2
0 0
0 0
0 0
0 0
0 1
0 1
0 1
0 1
1 0
1 0
1 0
1 0
1 1
1 1
1 1
1 1
Channel Enabled
CH0 Positive Input AIN(+)
X AIN1
X AIN2
X AIN3
X AIN4
X AIN5
X AIN6
X AIN7
X AIN8
X AIN9
X AIN10
X AIN11
X AIN12
X AIN13
X AIN14
X AIN15
X AIN16
Rev. 0 | Page 26 of 56
Negative
Input Enabled
CH1 CH0 AIN(−)
0 0 AIN1
0 1 AIN2
1 0 AIN3
1 1 AIN4
0 0 AIN5
0 1 AIN6
1 0 AIN7
1 1 AIN8
0 0 AIN9
0 1 AIN10
1 0 AIN11
1 1
AIN12
0 0
AIN13
0 1
AIN14
1 0
AIN15
1 1
AIN16
Status Register
Negative Input AIN(−) Bits CHD[3:0]
AINCOM 0000
AINCOM 0001
AINCOM 0010
AINCOM 0011
AINCOM 0100
AINCOM 0101
AINCOM 0110
AINCOM 0111
AINCOM 1000
AINCOM 1001
AINCOM 1010
AINCOM 1011
AINCOM 1100
AINCOM 1101
AINCOM 1110
AINCOM 1111