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ADC12138CIWM Datasheet(PDF) 25 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part # ADC12138CIWM
Description  Self-Calibrating 12-Bit Plus Sign Serial I/O A/D Converters with MUX and Sample/Hold
PDF  41 Pages
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Manufacturer  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

ADC12138CIWM Datasheet(HTML) 25 Page - National Semiconductor (TI)

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Tables
TABLE 1. Data Out Formats
DO Formats
DB0
DB1
DB2
DB3
DB4
DB5
DB6
DB7
DB8
DB9
DB10
DB11
DB12
DB13
DB14
DB15
DB16
with
Sign
MSB
First
17
XXXX
Sign
MSB
10
9
8
7
654321
LSB
Bits
13
Sign
MSB
10
9
8
76543
2
1
LSB
Bits
LSB
First
17
LSB
123
4
56789
10
MSB
Sign
XXXX
Bits
13
LSB
123
4
56789
10
MSB
Sign
Bits
without
Sign
MSB
First
16
0000
MSB
10
9876
54321
LSB
Bits
12
MSB
10
98
7
65432
1
LSB
Bits
LSB
First
16
LSB
123
4
56789
10
MSB
0000
Bits
12
LSB
123
4
56789
10
MSB
Bits
X = High or Low state.
TABLE 2. 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
LLLL
+
−
+
−
CH0
CH1
L
L
L
H
+
−
+
−
CH2
CH3
L
L
H
L
+
−
+
−
CH4
CH5
L
L
H
H
+
−
+
−
CH6
CH7
Differential
L
H
L
L
−
+
−
+
CH0
CH1
LHLH
−
+
−
+
CH2
CH3
L
H
H
L
−
+
−
+
CH4
CH5
L
H
H
H
−
+
−
+
CH6
CH7
H
L
L
L
+
−
+
−
CH0
COM
H
L
L
H
+
−
+
−
CH2
COM
HLHL
+
−
+
−
CH4
COM
H
L
H
H
+
−
+
−
CH6
COM
Single-Ended
H
H
L
L
+
−
+
−
CH1
COM
H
H
L
H
+
−
+
−
CH3
COM
H
H
H
L
+
−
+
−
CH5
COM
HHHH
+
−
+
−
CH7
COM
www.national.com
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