DG2723 Datasheet, PDF (6/9 Pages) Vishay Siliconix – 700 MHz, - 3 dB Bandwidth; Dual SPDT Analog Switch

DG2723
Vishay Siliconix
TEST CIRCUITS
V+
Switch
Input
Logic
Input
HSD1± ^V+
or HSD2±
D±
S±
GND
Switch Output
V_OUT
R_L
50 Ω
C_L
35 pF
Logic
Input
V_INH
V_INL
50 %
Switch
Output
0V
t_ON
t_r ^< 5 ns
t_f < 5 ns
0.9 x V_OUT
t_OFF
C_L (includes fixture and stray capacitance)
( ) V_OUT = D±
R_L
R_L ⁺ R_ON
Figure 1. Switching Time
Logic "1" = Switch on
Logic input waveforms inverted for switches that have
the opposite logic sense.
V+
V_HSD1±
V_HSD2±
V+
HSD1±
D±
HSD2±
S±
GND
R_L
50 Ω
V_O
C_L
35 pF
Logic
Input
V_INH
V_INL
HSD1± = HSD2±
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±
S±
GND
D±
V_OUT
V_OUT
V_OUT
C_L = 1 nF
IN
On
Off
On
Q = _OUT x C_L
Figure 3. Charge Injection
IN depends on switch configuration: input polarity
determined by sense of switch.
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Document Number: 68767
S-81490-Rev. A, 30-Jun-08