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DG421C/D Datasheet(PDF) 7 Page - Maxim Integrated Products

Part # DG421C/D
Description  Improved Low-Power, CMOS Analog Switches with Latches
PDF  12 Pages
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Manufacturer  MAXIM [Maxim Integrated Products]
Direct Link  https://www.maximintegrated.com/en.html
Logo MAXIM - Maxim Integrated Products

DG421C/D Datasheet(HTML) 7 Page - Maxim Integrated Products

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Improved Low-Power,
CMOS Analog Switches with Latches
_______________________________________________________________________________________
7
0FF
0N
0FF
VOUT
IN
Q =
∆VOUT x CL
IN DEPENDENT ON SWITCH CONFIGURATION.
INPUT POLARITY DETERMINED BY SENSE OF SWITCH.
∆VOUT
DG421
DG423
DG425
Rg
-15V
V-
VOUT
V+
+15V
+5V
Vg
GND
VIN = 3V
WR
D
CL
10nF
RS VL
S
IN
Figure 5. Charge Injection
_________________________________Timing Diagrams/Test Circuits (continued)
D
-15V
V-
RL2
300
Ω
VOUT1
V+
+15V
+5V
VL
GND
VD = 10V
VD = 10V
LOGIC
INPUT
CL INCLUDES FIXTURE AND STRAY CAPACITANCE.
CL2
35pF
S
LOGIC
INPUT
SWITCH
OUTPUT 1
SWITCH
OUTPUT 2
0.9 x VOUT
VOUT1
0.9 x VOUT
tD
50%
3V
0V
0V
0V
VOUT2
tD
D
RL = 1000Ω
CL = 35pF
S
RL1
300
Ω
CL1
35pF
RS
VOUT2
DG423
IN
WR
Figure 4. DG423 Break-Before-Make Interval
-15V
V-
RL
GND
WR
SIGNAL GENERATOR
+15V
V+
10nF
RS
+5V
VL
10nF
D
S
0V or 2.4V
IN
DG421
DG423
DG425
VS
VD
NETWORK
ANALYZER
Figure 6 . Off-Isolation Rejection Ratio



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