MAX4748 Maxim, MAX4748 Datasheet - Page 10

• Manufacturer Part Number: MAX4748
• Description: The MAX4747-MAX4750 low-voltage, quad single-pole single-throw (SPST)/dual single-pole/double-throw (SPDT) analog switches operate from a single +2V to +11V supply and handle rail-to-rail analog signals
• Manufacturer: Maxim

50Ω, Low-Voltage, Quad SPST/Dual SPDT Analog
Switches in UCSP
Figure 2. Switching Time
Figure 3. Break-Before-Make Interval
Figure 4. Charge Injection
10
LOGIC
INPUT
MAX4747–
MAX4750
______________________________________________________________________________________
LOGIC
INPUT
MAX4749
MAX4747–
MAX4750
V
N_
V
V
N_
GEN
C
V
L
OUT
C
INCLUDES FIXTURE AND STRAY CAPACITANCE.
NO_
OR NC_
L
IN_
NO_
NC_
IN_
IN_
INCLUDES FIXTURE AND STRAY CAPACITANCE.
= V
R
N_
GEN
(
R
GND
L
GND
+ R
R
NC_
OR NO_
L
GND
ON
)
V+
V+
V+
COM_
COM_
V+
COM_
IN_
V
IL
TO V
V+
V+
COM
IH
R
300Ω
R
300Ω
L2
L
V
OUT2
Test Circuits/Timing Diagrams (continued)
C
35pF
C
35pF
L2
L
C
1nF
V
L
OUT
V
OUT
R
300Ω
L1
V
OUT1
C
35pF
LOGIC
INPUT
SWITCH
OUTPUT
L1
V
OUT
IN
IN
V
V
OUTPUT 1
OUTPUT 2
IH
0
IL
SWITCH
SWITCH
OFF
OFF
(V
(V
LOGIC
INPUT
OUT1
OUT2
IN DEPENDS ON SWITCH CONFIGURATION;
INPUT POLARITY DETERMINED BY SENSE OF SWITCH.
)
)
LOGIC INPUT WAVEFORMS INVERTED FOR SWITCHES
THAT HAVE THE OPPOSITE LOGIC SENSE.
V
V
IH
IL
0
0
V
t
50%
ON
OUT
Q = (∆V
0.9 x V
t
ON
ON
BBM
OUT
50%
)(C
OUT
L
0.9 x V
)
t
0UT1
OFF
∆V
OUT
t
t
r
f
< 5ns
< 5ns
t
t
r
f
OFF
OFF
t
< 5ns
BBM
< 5ns
0.9 x V
0.9 x V
OUT
OUT2