ADC838 National Semiconductor Corporation, ADC838 Datasheet - Page 14

• Manufacturer Part Number: ADC838
• Description: ADC0831 - 8-Bit Serial I/o A/D Converter With Multiplexer Option, Package: Soic Wide, Pin Nb=14
• Manufacturer: National Semiconductor Corporation

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Functional Description
Single-Ended MUX Mode
Differential MUX Mode
SGL/
DIF
SGL/
DIF
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
COM is internally tied to A GND
Single-Ended MUX Mode
Differential MUX Mode
MUX Address
ODD/
SIGN
SGL/
SGL/
MUX Address
ODD/
SIGN
DIF
DIF
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
1
MUX Address
MUX Address
0
0
1
1
0
0
1
1
SELECT
ODD/
ODD/
1
0
0
1
1
0
0
1
1
SIGN
SIGN
(Continued)
SELECT
0
0
1
1
0
0
1
1
TABLE 2. MUX Addressing: ADC0838
TABLE 3. MUX Addressing: ADC0838
TABLE 4. MUX Addressing: ADC0834
TABLE 5. MUX Addressing: ADC0834
0
1
0
1
0
1
0
1
0
0
1
0
1
0
1
0
1
0
SELECT
SELECT
0
+
1
0
1
0
1
1
0
1
0
1
0
+
−
1
+
0
14
Analog Single-Ended Channel #
Analog Differential Channel-Pair #
−
+
1
+
2
0
+
0
+
−
2
+
−
3
+
1
Channel #
1
+
Channel #
1
−
+
3
−
+
4
+
4
+
−
5
+
2
+
2
+
−
2
6
+
5
−
+
3
+
3
−
+
7
+
6
+
−
3
COM
−
−
−
−
−
−
−
−
−
+
7