Rainbow Electronics MAX14753 - Manual (Page 9)

MAX14752/MAX14753
8-Channel/Dual 4-Channel
72V Analog Multiplexers
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Test Circuits/Timing Diagrams/Truth Tables (continued)
ΔV
OUT
+3.3V
0V
0V
V EN
+35V
V OUT
-35V
GND
V DD
S1
V SS
S0
S2
EN
OUT
MAX14752
C L = 1nF
V OUT
IN_
CHANNEL
SELECT
OFF ON ON
ΔV
OUT IS THE MEASURED VOLTAGE DUE TO CHARGE TRANSFER
ERROR Q WHEN THE CHANNEL TURNS OFF.
Q = C L x ΔV
OUT
Figure 10. Charge Injection
S2 S1 S0 EN OUT
X X X 0 All off
0 0 0 1 IN0
0 0 1 1 IN1
0 1 0 1 IN2
0 1 1 1 IN3
1 0 0 1 IN4
1 0 1 1 IN5
1 1 0 1 IN6
1 1 1 1 IN7
S1 S0 EN OUTA OUTB
X X 0 All off All off
0 0 1 INA0 INB0
0 1 1 INA1 INB1
1 0 1 INA2 INB2
1 1 1 INA3 INB3
Table 1. MAX14752 Truth Table Table 2. MAX14753 Truth Table