DG2720 Datasheet, PDF (7/8 Pages) Vishay Siliconix – 2 Port, USB 2.0 High Speed (480 Mbps) Switch, DPDT Analog Switch

TEST CIRCUITS
DG2720
Vishay Siliconix
V+
V_HSD1±
V_HSD2±
V+
HSD1±
D±
HSD2±
OE
GND S
R_L
50 Ω
V_O
C_L
35 pF
Logic _VINH
Input
V_INL
V_NC = V_NO
V_O
Switch _{0 V}
Output
90 %
t_D
t_r < 5 ns
t_f < 5 ns
t_D
C_L (includes fixture and stray capacitance)
Figure 2. Break-Before-Make Interval
V+
V_gen
R_gen
+
V_IN = 0 - V+
HSD1± ^V+
or HSD2±
D±
OE
GND S
V_OUT
C_L = 1 nF
V_OUT
IN
On
V_OUT
Off
On
Q = _OUT x C_L
Figure 3. Charge Injection
IN depends on switch configuration: input polarity
determined by sense of switch.
V+
10 nF
V+
HSD1± or HSD2±
OE
D±
R_L
GND S
Analyzer
V_D±
Off Isolation = 20 log _{VHSD2± or HSD1±}
Figure 4. Off-Isolation
0 V, 2.4 V
V+
10 nF
V+
D±
0 V, 2.4 V
OE
S
HSD1±
or HSD2±
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 http://www.vishay.com/ppg?74593.
Document Number: 74593
S-81473-Rev. C, 23-Jun-08
www.vishay.com
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