MAX4537 Maxim, MAX4537 Datasheet - Page 9

• Manufacturer Part Number: MAX4537
• Description: The MAX4536/MAX4537/MAX4538 are quad, low-voltage, single-pole/single-throw (SPST) analog switches with a common enable pin
• Manufacturer: Maxim

Figure 1. Switching Time
Figure 2. Break-Before-Make Interval (MAX4538 only)
Figure 3. Charge Injection
______________________________________________Test Circuits/Timing Diagrams
LOGIC
INPUT
MAX4538
V
V
SWITCH
COM1
COM2
INPUT
LOGIC
INPUT
V
MAX4536
MAX4537
MAX4538
GEN
= +3V
= +3V
MAX4536
MAX4537
MAX4538
C
V
L
COM
INCLUDES FIXTURE AND STRAY CAPACITANCE.
COM1
COM2
R
IN
GEN
_______________________________________________________________________________________
GND
C
V
COM
IN, EN
OUT
L
INCLUDES FIXTURE AND STRAY CAPACITANCE.
GND
0V
= V
COM
GND
COM
(
R
V+
V+
L
V-
V-
R
SPST Analog Switches with Enable
+ R
L
NO1
N02
IN
ON
V+
V+
V-
V-
V
or NC
)
IN
NO
= +3V
V+
V+
NC or
V-
V-
NO
R
L2
R
300
L
R
C
V
C
L
L
OUT2
L2
= 300
= 35pF
SWITCH
OUTPUT
C
L
C
35pF
R
L
L1
V
OUT
V
OUT
V
C
OUT1
L1
OUTPUT
SWITCH
V
OUT
LOGIC
INPUT
IN
IN
Quad, Low-Voltage,
LOGIC
INPUT
SWITCH
OUTPUT 2
(V
SWITCH
OUTPUT 1
(V
+3V
OFF
OFF
0V
0V
OUT1
OUT2
IN DEPENDS ON SWITCH CONFIGURATION;
INPUT POLARITY DETERMINED BY SENSE OF SWITCH.
)
)
LOGIC INPUT WAVEFORMS INVERTED FOR EN AND SWITCHES
THAT HAVE THE OPPOSITE LOGIC SENSE.
+3V
0V
0V
0V
V
Q = ( V
OUT
t
ON
50%
ON
ON
0.9 x V
OUT
t D
50%
)(C
0UT
L
)
0.9 x V
t
OFF
0UT1
V
OUT
t r < 20ns
t f < 20ns
OFF
OFF
0.9 x V
t D
OUT
0.9 x V
OUT2
9