English
Language : 

DG2721_09 Datasheet, PDF (6/8 Pages) Vishay Siliconix – 500 MHz, - 3 dB Bandwidth; Dual SPDT Analog Switch
DG2721
Vishay Siliconix
TEST CIRCUITS
V+
NO
VNO
NC
VNC
IN
V+
COM
GND
RL
50 Ω
VO
CL
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
CL = 1 nF
VOUT
IN
On
VOUT
Off
On
Q = OUT x CL
V+
10 nF
V+
NC or NO
COM
RL
GND
Analyzer
VCOM
Off Isolation = 20 log VNC or NO
Figure 4. Off-Isolation
Figure 3. Charge Injection
IN depends on switch configuration: input polarity
determined by sense of switch.
IN
0 V, 2.4 V
V+
10 nF
V+
COM
IN
0 V, 2.4 V
NC or NO
GND
Meter
HP4192A
Impedance
Analyzer
or Equivalent
f = 1 MHz
Figure 5. Channel Off/On Capacitance
Vishay Siliconix maintains worldwide manufacturing capability. Products may be manufactured at one of several qualified locations. Reliability data for Silicon
Technology and Package Reliability represent a composite of all qualified locations. For related documents such as package/tape drawings, part marking, and
reliability data, see www.vishay.com/ppg?69950.
www.vishay.com
6
Document Number: 69950
S09-0075-Rev. E, 26-Jan-09