MAX4522 Maxim, MAX4522 Datasheet - Page 9

• Manufacturer Part Number: MAX4522
• Description: The MAX4521/MAX4522/MAX4523 are quad, low-voltage, single-pole/single-throw (SPST) analog switches
• Manufacturer: Maxim

Figure 1. Switching Time
Figure 2. Break-Before-Make Interval (MAX4523 only)
Figure 3. Charge Injection
SWITCH
LOGIC
INPUT
LOGIC
MAX4523
INPUT
INPUT
V
MAX4521
MAX4522
MAX4523
GEN
MAX4521
MAX4522
MAX4523
V
V
COM1
COM2
V
Quad, Low-Voltage, SPST Analog Switches
COM
C
L
INCLUDES FIXTURE AND STRAY CAPACITANCE.
R
GEN
COM1
COM2
IN1, 2
C
V
_______________________________________________________________________________________
COM
IN, EN
L
OUT
GND
GND
INCLUDES FIXTURE AND STRAY CAPACITANCE.
0
= V
COM
GND
COM
(
R
L
R
+ R
V+
V-
V+
L
V-
IN
ON
V+
V+
V-
V-
or NC
V
NC
)
NO
IN
NO
= +3V
V+
NC or
V+
V-
V-
NO
R
L2
R
300Ω
L
R
C
V
C
SWITCH
OUTPUT
L
L
OUT2
L2
= 300Ω
= 35pF
C
L
C
35pF
L
V
R
V
OUT
L1
OUT
V
C
OUT1
L1
OUTPUT
SWITCH
V
LOGIC
INPUT
OUT
IN
IN
Test Circuits/Timing Diagrams
+3V
OFF
OFF
LOGIC
INPUT
SWITCH
OUTPUT 2
(V
0
0
SWITCH
OUTPUT 1
(V
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
V
0
0
0
OUT
t
Q = (ΔV
ON
50%
0.9 x V
ON
ON
OUT
)(C
t
50%
D
0UT
L
)
0.9 x V
t
OFF
ΔV
OUT
0UT1
t r < 20ns
t f < 20ns
OFF
OFF
0.9 x V
t
D
OUT
0.9 x V
OUT2
9