DG444DY-T Datasheet, PDF (7/10 Pages) Maxim Integrated Products – Improved, Quad, SPST Analog Switches

Improved, Quad, SPST Analog Switches
V_OUT
IN
OFF
ON
DG444
OFF
IN
DG445
ON
Q = ∆V_OUT × C_L
Figure 3. Charge Injection
∆V_OUT
OFF
OFF
+5V
R_GEN
V_L
S
+15V
V+
D
DG444
DG445
V_OUT
V_GEN
C_L
GND IN
V-
-15V
V_IN = +3V
SIGNAL
GENERATOR 10dBm
R_GEN = 50Ω
NETWORK
ANALYZER
R_L
10nF ^+15V
D ^V+
S
GND
+5V
DG444
DG445
V_L
IN
0V or +2.4V
V-
10nF
-15V
Figure 4. Off-Isolation Rejection Ratio
SIGNAL
GENERATOR 10dBm
R_GEN = 50Ω
0V or +2.4V
NETWORK
ANALYZER
R_L
+15V
10nF
D ^V+
IN
S
GND
Figure 5. Crosstalk
+5V
DG444
DG445
V_{L S}
50Ω
IN
0V or +2.4V
D
NC
V-
10nF
-15V
+15V
10nF
D ^V+
+5V
DG444
DG445
V_L
CAPACITANCE
METER
f = 1MHz
S
GND
IN
0V or +2.4V
V-
10nF
-15V
Figure 6. Source/Drain Off-Capacitance
10nF ^+15V
CAPACITANCE
METER
f = 1MHz
D ^V+
V_D ^S
GND
+5V
DG444
DG445
V_L
IN
0V or +2.4V
V-
10nF
-15V
Figure 7. Source/Drain On-Capacitance
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