DG2747 Datasheet, PDF (7/8 Pages) Vishay Siliconix – 0.4-Ω, Low Voltage, Dual SPST Analog Switch

TEST CIRCUITS
DG2747/DG2748/DG2749
Vishay Siliconix
V+
V+
NC or NO
COM
IN
0 V, V+
R_L
GND
Analyzer
V_COM
Off Isolation = 20 log _{VNO / NC}
Figure 4. Off-Isolation
V_S
R_g = 50 Ω
0 V, V+
NO₁ or NC₁
IN₁
NO2 or NC2
V+
C
V+
COM₁
COM₂
0 V, V+
IN₂
GND
X_TALK Isolation = 20 log
C = RF bypass
V_O
V_S
Figure 5. Crosstalk
50 Ω
V_O
R_L
V+
0 V, V+
V+
COM
IN
NC or NO
GND
Meter
HP4192A
Impedance
Analyzer
or Equivalent
f = 1 MHz
Figure 6. 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?69977.
Document Number: 69977
S-80899-Rev. A, 21-Apr-08
www.vishay.com
7