DG485 Datasheet, PDF (6/11 Pages) Vishay Siliconix – Octal Analog Switch Array

DG485
Vishay Siliconix
TYPICAL CHARACTERISTICS (25_C UNLESS NOTED)
10 mA
1 mA
100 mA
Supply Currents vs. Switching Frequency
V+ = 15 V
V– = –15 V
V_L = 5 V
V_IN = 3 V
I_n
I_L
10 mA
I_p
Source/Drain On Capacitance vs. Analog Voltage
180
V+ = 15 V
160
V– = –15 V
V_L = 5 V
140
C_D(on)
120
(All Channels On)
100
1 mA
80
100 nA
10 nA
100
1k
10 k
100 k
1M
f – Frequency (Hz)
Source/Drain Off Capacitance
vs. Analog Voltage
70
V+ = 15 V
60
V– = –15 V
V_L = 5 V
50
C_D(off)
40
30
20
60
40
–15
C_D(on)
(Channel 1 On Only)
–10
–5
0
5
10
15
V_ANALOG – Analog Voltage (V)
Charge Injection vs. Analog Voltage
55
V+ = 15 V
V– = –15 V
45
V_L = 5 V
C_L = 1 nF
35
25
15
10
C_S(off)
5
0
–15 –10
–5
0
5
10
15
V_ANALOG – Analog Voltage (V)
–5
–15 –10
–5
0
5
10
15
V_S – Source Voltage (V)
TIMING DIAGRAMS
3V
50%
LD 0 V
V_S
V_D ^{0 V}
90%
Repeat for All Channels
t_ON
FIGURE 1. t_ON from LD
3V
LD 0 V
V_S
V_D ^{0 V}
50%
3V
RS ^{0 V}
V_S
V_D 0 V
50%
90%
t_OFF
FIGURE 3. t_OFF from RS
90%
Repeat for All Channels
t_OFF
FIGURE 2. t_OFF from LD
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5-6
Document Number: 70065
S-52433—Rev. E, 06-Sep-99