Datasheet

MAX4539/MAX4540
Low-Voltage, Single 8-to-1 and
Dual 4-to-1 Cal-Multiplexers
16 ______________________________________________________________________________________
CAL,
GND
LATCH,
EN
+5V
-5V
V+
A2
V-
A1
A0
NO8
MAX4539
CHANNEL
SELECT
NO1
COM
1MHz
CAPACITANCE
ANALYZER
f = 1MHz
CAL,
GND
LATCH,
EN
+5V
-5V
V+
V-
A1
A0
NO4A
MAX4540
CHANNEL
SELECT
NO1A
COMA
1MHz
CAPACITANCE
ANALYZER
f = 1MHz
Figure 6. NO_/COM_ Capacitance
Test Circuits/Timing Diagrams (continued)
LATCH
V
IH
V
IL
ADDRESS (A_)
t
S
t
MPW
50%50%
t
H
V+
V-
GND
V+
V-
A1
A2
CAL
EN
+3V
COM
LATCH
A0
MAX4539
NO2
NO1, NO3-NO8
Figure 7. Setup Time, Hold Time, Latch Pulse Width
Figure 8. Enable Setup Time
LATCH
EN
50%
50%
50%
t
ES