P re c is io n , 1 6 -Ch a n n e l/Du a l 8 -Ch a n n e l,
Lo w -Vo lt a g e , CMOS An a lo g Mu lt ip le x e rs
6/MAX397
_________________________________Te s t Circ u it s /Tim in g Dia g ra m s (c o n t in u e d )
+5V
V+
t
< 20ns
R
+2.4V
EN
+3V
0V
t < 20ns
F
LOGIC
INPUT
50%
NO1-NO16
+3V
A0
A1
A2
A3
V
OUT
MAX396
80%
SWITCH
OUTPUT
COM
V
OUT
GND
V-
35pF
t
OPEN
0V
300Ω
50Ω
-5V
Figure 4. Break-Before-Make Interval
+5V
R
S
NO1-N016 V+
EN
+3V
0V
LOGIC
INPUT
OFF
ON
OFF
V
S
MAX396
A0
A1
A2
A3
COM
V
OUT
CHANNEL
SELECT
∆V
OUT
C = 100pF
L
V
OUT
GND
V-
∆V IS THE MEASURED VOLTAGE DUE TO CHARGE TRANSFER
OUT
ERROR Q WHEN THE CHANNEL TURNS OFF.
-5V
V
CTE
= C = ∆V
L OUT
Figure 5. Charge Injection (V
)
CTE
_______________________________________________________________________________________
9
MAXIM [ MAXIM INTEGRATED PRODUCTS ]
