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DG2799_08 Datasheet, PDF (7/10 Pages) Vishay Siliconix – Low Voltage, Low On-Resistance, Dual DPDT Analog Switch | |||
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TEST CIRCUITS
DG2799
Vishay Siliconix
Switch
Input
Logic
Input
V+
V+
NO or NC
COM
IN
GND
0V
Switch Output
VOUT
RL
50 â¦
CL
35 pF
Logic
Input
Switch
Output
CL (includes fixture and stray capacitance)
( ) VOUT
= VCOM
RL
RL + RON
Figure 1. Switching Time
VINH
VINL
50%
tr < 5 ns
tf < 5 ns
0.9 x VOUT
0V
tON
tOFF
Logic â1â = Switch On
Logic input waveforms inverted for switches that have
the opposite logic sense.
V+
V+
NO
VNO
COM
NC
VNC
IN
GND
VO
RL
CL
50â¦
35 pF
Logic VINH
Input
VINL
VNC = VNO
VO
Switch 0 V
Output
90%
tD
tr < 5 ns
tf < 5 ns
tD
CL (includes fixture and stray capacitance)
Figure 2. Break-Before-Make Interval
V+
Vgen
Rgen
+
VIN = 0 - V+
V+
NC or NO
IN
GND
COM
VOUT
VOUT
â VOUT
CL = 1 nF
IN
On
Off
On
Q = âVOUT x CL
Figure 3. Charge Injection
IN depends on switch configuration: input polarity
determined by sense of switch.
Document Number: 72922
S-52336âRev. F, 07-Nov-05
www.vishay.com
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