Tables – Rainbow Electronics ADC12138 User Manual
Page 24
Tables
TABLE I Data Out Formats
DO Formats
DB0 DB1 DB2 DB3 DB4 DB5 DB6 DB7 DB8 DB9 DB10 DB11 DB12 DB13 DB14 DB15 DB16
Sign
with
MSB
First
17
X
X
X
X
Sign MSB
10
9
8
7
6
5
4
3
2
1
LSB
Bits
13
Sign MSB
10
9
8
7
6
5
4
3
2
1
LSB
Bits
First
LSB
17
LSB
1
2
3
4
5
6
7
8
9
10
MSB
Sign
X
X
X
X
Bits
13
LSB
1
2
3
4
5
6
7
8
9
10
MSB
Sign
Bits
without
Sign
MSB
First
16
0
0
0
0
MSB
10
9
8
7
6
5
4
3
2
1
LSB
Bits
12
MSB
10
9
8
7
6
5
4
3
2
1
LSB
Bits
First
LSB
16
LSB
1
2
3
4
5
6
7
8
9
10
MSB
0
0
0
0
Bits
12
LSB
1
2
3
4
5
6
7
8
9
10
MSB
Bits
X
e
High or Low state
TABLE II ADC12138 Multiplexer Addressing
Analog Channel Addressed
A D Input
Multiplexer
Mode
MUX
and Assignment
Polarity
Output
Address
with A DIN1 tied to MUXOUT1
Assignment
Channel
and A DIN2 tied to MUXOUT2
Assignment
DI0 DI1 DI2 DI3 CH0 CH1 CH2 CH3 CH4 CH5 CH6 CH7 COM A DIN1 A DIN2 MUXOUT1 MUXOUT2
L
L
L
L
a
b
a
b
CH0
CH1
L
L
L
H
a
b
a
b
CH2
CH3
L
L
H
L
a
b
a
b
CH4
CH5
L
L
H
H
a
b
a
b
CH6
CH7
Differential
L
H
L
L
b
a
b
a
CH0
CH1
L
H
L
H
b
a
b
a
CH2
CH3
L
H
H
L
b
a
b
a
CH4
CH5
L
H
H
H
b
a
b
a
CH6
CH7
H
L
L
L
a
b
a
b
CH0
COM
H
L
L
H
a
b
a
b
CH2
COM
H
L
H
L
a
b
a
b
CH4
COM
H
L
H
H
a
b
a
b
CH6
COM
Single-Ended
H
H
L
L
a
b
a
b
CH1
COM
H
H
L
H
a
b
a
b
CH3
COM
H
H
H
L
a
b
a
b
CH5
COM
H
H
H
H
a
b
a
b
CH7
COM
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