adc12l032 National Semiconductor Corporation, adc12l032 Datasheet - Page 21

• Manufacturer Part Number: adc12l032
• Description: 3.3v Self-calibrating 12-bit Plus Sign Serial I/o A/d Converters With Mux And Sample/hold
• Manufacturer: National Semiconductor Corporation

Format and Set-Up Tables
DI0 DI1 DI2 DI3 CH0 CH1 CH2 CH3 CH4 CH5 CH6 CH7 COM A/DIN1 A/DIN2 MUXOUT1 MUXOUT2
H
H
H
H
H
H
H
H
DI0
L
L
L
L
L
L
L
L
H
H
H
H
L
L
L
L
MUX Address
MUX Address
H
H
H
H
H
H
H
H
L
L
L
L
L
L
L
L
DI1
H
H
H
H
L
L
L
L
H
H
H
H
H
H
H
H
L
L
L
L
L
L
L
L
DI2
H
H
H
H
L
L
L
L
H
H
H
H
H
H
H
H
L
L
L
L
L
L
L
L
Analog Channel Addressed and Assignment
Analog Channel Addressed and
CH0
Assignment with A/DIN1 tied to
+
−
+
with A/DIN1 tied to MUXOUT1 and A/DIN2
MUXOUT1 and A/DIN2 tied to
+
−
+
−
+
+
CH1
−
+
+
+
−
+
MUXOUT2
tied to MUXOUT2
CH2
TABLE 2. ADC12L038 Multiplexer Addressing
TABLE 3. ADC12L034 Multiplexer Addressing
+
−
+
−
+
+
+
−
+
CH3
(Continued)
−
+
+
−
+
+
COM
−
−
−
−
+
−
+
A/D Input Polarity
A/DIN1
−
+
+
21
Assignment
+
+
−
−
+
+
+
+
−
−
−
−
−
−
−
−
A/DIN2
Assignment
−
−
+
+
−
−
−
−
A/D Input
+
+
+
+
−
−
−
−
+
+
+
+
+
+
+
+
Polarity
MUXOUT1
Channel Assignment
−
−
−
−
+
+
+
+
−
−
−
−
−
−
−
−
Multiplexer Output
CH0
CH2
CH0
CH2
CH0
CH2
CH1
CH3
Multiplexer Output
CH0
CH2
CH4
CH6
CH0
CH2
CH4
CH6
CH0
CH2
CH4
CH6
CH1
CH3
CH5
CH7
Assignment
Channel
MUXOUT2
COM
COM
COM
COM
CH1
CH3
CH1
CH3
COM
COM
COM
COM
COM
COM
COM
COM
CH1
CH3
CH5
CH7
CH1
CH3
CH5
CH7
Single-Ended
Differential
Single-Ended
Differential
Mode
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