DG458 Datasheet, PDF (6/8 Pages) Vishay Siliconix – Fault-Protected Single 8-Ch/Differential 4-Ch Analog Multiplexers

DG458/459
Vishay Siliconix
TYPICAL CHARACTERISTICS (25_C UNLESS NOTED)
Switching Times vs. Temperature
280
0
V+ = 15 V
240
V– = –15 V
–10
200
t_TRANS
–20
160
t_ON(EN)
–30
120
t_OPEN
–40
80
40
t_OFF(EN)
–50
V+ = 15 V
V– = –15 V
Q_INJ vs. V_S
C_L = 1 nF
C_L = 10 nF
0
–55 –35 –15
5 25 45 65 85 105 125
Temperature (_C)
Off Isolation and X_TALK vs. Frequency
–110
–100
V+ = 15 V
V– = –15 V
R_L = 1 kW
–90
–60
–10
–5
0
5
10
V_S – Source Voltage (V)
Logic Input Switching Threshold vs. "V_SUPPLIES
3.0
2.5
2.0
–80
1.5
Off Isolation
–70
Crosstalk
1.0
–60
0.5
–50
10 k
100 k
1M
f – Frequency (Hz)
10 M
SCHEMATIC DIAGRAM (TYPICAL CHANNEL)
V+
GND
V_REF
V+
A₀
V–
V+
A_X
V–
V+
EN
V–
Level
Shift
Decode/
Drive
FIGURE 1.
0
2.5 5
7.5 10 12.5 15 17.5 20
V+, Supply (V)
V–
D
S₁
S_n
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5-6
Document Number: 70064
S-52433—Rev. F, 06-Sep-99