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DG2718 Datasheet, PDF (5/7 Pages) Vishay Siliconix – 0.45- CMOS, 1.65-V to 3.6-V, Dual DPDT Analog Switch
New Product
DG2718
Vishay Siliconix
TYPICAL CHARACTERISTICS (25_C UNLESS NOTED)
Switching Time vs. Temperature
70
10
tON V+ = 1.8 V
60
–10
50
tON V+ = 2.3 V
–30
40
30
tON V+ = 3.0 V
20
10
tOFF V+ = 1.8 V
–50
tOFF V+ = 2.3 V
tOFF V+ = 3.0 V
–70
Insertion Loss, Off-Isolation
Crosstalk vs. Frequency
LOSS
XTALK
OIRR
V+ = 3 V
RL = 50 W
0
–60 –40 –20 0
20 40 60
Temperature (_C)
80 100
Switching Threshold vs. Supply Voltage
2.00
1.75
1.50
1.25
1.00
0.75
0.50
0.25
0.00
1.0
1.5
2.0
2.5
3.0
3.5
4.0
V+ – Supply Voltage (V)
–90
100 K
1M
10 M
100 M
1G
Frequency (Hz)
Charge Injection vs. Analog Voltage
250
200
150
V+ = 3 V
100
V+ = 1.8 V
50
0
–50
–100
0.0
0.5
1.0
1.5
2.0
2.5
3.0
VCOM – Analog Voltage (V)
TEST CIRCUITS
V+
Switch
Input
Logic
Input
V+
NO or NC
COM
IN
GND
0V
Switch Output
VOUT
RL
300 W
CL
35 pF
Logic
Input
VINH
VINL
50%
Switch
Output
0V
tON
tr t 5 ns
tf t 5 ns
0.9 x VOUT
tOFF
CL (includes fixture and stray capacitance)
ǒ Ǔ VOUT + VCOM
RL
RL ) RON
Figure 1.
Switching Time
Logic “1” = Switch On
Logic input waveforms inverted for switches that have
the opposite logic sense.
Document Number: 72677
S–52186—Rev. B, 17-Oct-05
www.vishay.com
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