DG444 Maxim, DG444 Datasheet - Page 7

• Manufacturer Part Number: DG444
• Description: Maxim's redesigned DG444/DG445 analog switches now feature on-resistance matching (4&#8486 max) between switches and guaranteed on-resistance flatness over the signal range (9&#8486 max)
• Manufacturer: Maxim

Figure 3. Charge Injection
Figure 4. Off-Isolation Rejection Ratio
Figure 6. Source/Drain Off-Capacitance
GENERATOR
SIGNAL
CAPACITANCE
ANALYZER
NETWORK
f = 1MHz
METER
V
DG444
DG445
R
OUT
GEN
IN
IN
10dBm
= 50Ω
R
L
OFF
OFF
_______________________________________________________________________________________
Improved, Quad, SPST Analog Switches
10nF
10nF
D
S
S
D
+15V
GND
Q = ∆V
V+
+15V
GND
V+
ON
ON
OUT
× C
-15V
+5V
L
V-
-15V
V
+5V
V
V-
L
L
IN
IN
10nF
10nF
DG444
DG445
DG444
DG445
OFF
OFF
0V or +2.4V
∆V
0V or +2.4V
OUT
V
GEN
Figure 5. Crosstalk
Figure 7. Source/Drain On-Capacitance
GENERATOR
SIGNAL
ANALYZER
NETWORK
CAPACITANCE
f = 1MHz
METER
R
R
GEN
GEN
0V or +2.4V
10dBm
= 50Ω
R
L
S
GND
+5V
V
V
L
D
10nF
IN
10nF
S
IN
D
D
S
+15V
GND
+15V
GND
V+
V+
V
IN
+15V
-15V
V+
V-
= +3V
D
-15V
+5V
-15V
V
+5V
V-
V-
V
L
L
DG444
DG445
IN
IN
S
D
10nF
10nF
C
L
DG444
DG445
DG444
DG445
NC
0V or +2.4V
V
0V or +2.4V
OUT
50Ω
7