MAX392CSE(1999) View Datasheet(PDF) - Maxim Integrated
Part Name
Description
Manufacturer
MAX392CSE Datasheet PDF : 12 Pages
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Precision, Quad, SPST Analog Switches
______________________________________________Test Circuits/Timing Diagrams
MAX391
MAX392
MAX393
SWITCH
INPUT
VCOM
COM
LOGIC
INPUT
IN
GND
0V
+5V
V+
NO
or NC
V-
-5V
SWITCH
OUTPUT
VOUT
RL
CL
300Ω
35pF
CL INCLUDES FIXTURE AND STRAY CAPACITANCE.
( ) VOUT = VCOM
RL
RL + RON
Figure 2. Switching Time
+3V
LOGIC
INPUT 0V
50%
tr < 20ns
tf < 20ns
SWITCH 0V
OUTPUT
tOFF
VOUT 0.9 x V0UT
tON
0.9 x VOUT
LOGIC INPUT WAVEFORMS INVERTED FOR SWITCHES
THAT HAVE THE OPPOSITE LOGIC SENSE.
MAX393
+5V
VCOM1 = +3V
VCOM2 = +3V
COM1
COM2
IN
V+
NO
NC
VOUT2 RL1
RL2
CL2
LOGIC
INPUT
GND
V-
-5V
RL = 300Ω
CL INCLUDES FIXTURE AND STRAY CAPACITANCE. CL = 35pF
Figure 3. Break-Before-Make Interval (MAX393 only)
VOUT1
CL1
LOGIC +3V
INPUT
0V
SWITCH
OUTPUT 1
(VOUT1)
0V
SWITCH
OUTPUT 2
(VOUT2)
0V
50%
0.9 x V0UT1
0.9 x VOUT2
tD
tD
MAX391
MAX392
MAX393
RGEN
COM
VGEN
GND
+5V
V+
NC or
NO
IN V-
VOUT
CL
VOUT
IN
OFF
∆VOUT
OFF
ON
-5V
VIN = +3V
ON
OFF
OFF
IN
Q = (∆VOUT)(CL)
IN DEPENDS ON SWITCH CONFIGURATION;
INPUT POLARITY DETERMINED BY SENSE OF SWITCH.
Figure 4. Charge Injection
8 _______________________________________________________________________________________
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