MAX11600 Datasheet, PDF (18/23 Pages) Maxim Integrated Products – 2.7V to 3.6V and 4.5V to 5.5V, Low-Power, 4-/8-/12-Channel 2-Wire Serial 8-Bit ADCs

2.7V to 3.6V and 4.5V to 5.5V, Low-Power,
4-/8-/12-Channel 2-Wire Serial 8-Bit ADCs
Table 4. Channel Selection in Pseudo-Differential Mode (SGL/DIF = 0)¹
CS3² CS2² CS1 CS0 AIN0 AIN1 AIN2 AIN3² AIN4 AIN5 AIN6 AIN7 AIN8 AIN9 AIN10 AIN11³
0
0
0
0
+
-
0
0
0
1
-
+
0
0
1
0
+
-
0
0
1
1
-
+
0
1
0
0
+
-
0
1
0
1
-
+
0
1
1
0
+
-
0
1
1
1
-
+
1
0
0
0
+
-
1
0
0
1
-
+
1
0
1
0
+
-
1
0
1
1
-
+
1
1
0
0
Reserved
1
1
0
1
Reserved
1
1
1
0
Reserved
1
1
1
1
Reserved
1 _{When scanning multiple channels (SCAN0 = 0), CS0 = 0 causes the even-numbered channel-select bits to be scanned, while CS0 = 1}
causes the odd-numbered channel-select bits to be scanned. For example, if the MAX11604/MAX11605 SCAN[1:0] = 00 and CS[3:0] =
1010, a pseudo-differential read returns AIN0–AIN1, AIN2–AIN3, AIN4–AIN5, AIN6–AIN7, AIN8–AIN9, and AIN10–AIN11. If the
MAX11604/MAX11605 SCAN[1:0] = 00 and CS[3:0] = 1011, a pseudo-differential read returns AIN1–AIN0, AIN3–AIN2, AIN5–AIN4,
AIN7–AIN6, AIN9–AIN8, and AIN11–AIN10.
2 _{For the MAX11600/MAX11601, CS3 and CS2 are internally set to zero. For the MAX11602/MAX11603, CS3 is internally set to zero.}
3 _{When SEL1 = 1, a pseudo-differential read between AIN2 and AIN3/REF (MAX11600/MAX11601) or AIN10 and AIN11/REF}
(MAX11604/MAX11605) returns the difference between GND and AIN2 or AIN10, respectively. For example, a pseudo-differential
read of 1011 returns the negative difference between AIN10 and GND. This does not apply to the MAX11602/MAX11603 as each pro-
vides separate pins for AIN7 and REF.
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