DG2517 Datasheet, PDF (5/7 Pages) Vishay Siliconix – 3ohm, High Bandwidth, Dual SPDT Analog Switch

DG2517/DG2518
Vishay Siliconix
TYPICAL CHARACTERISTICS 25 °C, unless noted
18
16 ^{RL = 300 Ω}
14
t_ON, V+ = 2.7 V
12
t_ON, V+ = 4.2 V
10
8
6
t_OFF, V+ = 2.7 V
4
t_OFF, V+ = 4.2 V
2
0
- 60 - 40 - 20 0
20 40 60 80 100
Temperature (°C)
Switching Time vs. Temperature
2.5
0
- 10
- 20
- 30
- 40
- 50
- 60
- 70
- 80
- 90
100K
40
LOSS
OIRR
X_TALK
V+ = 5 V
R_L = 50 Ω
1M
10M
100M
1G
Frequency (Hz)
Insertion Loss, Off-Isolation
Crosstalk vs. Frequency
2
20
0
1.5
V+ = 5 V
- 20
V+ = 3 V
1
- 40
0.5
- 60
0
1.5
2
2.5
3
3.5
4
4.5
5
V+ - Supply Voltage (V)
Switching Threshold vs. Supply Voltage
- 80
0
1
2
3
4
5
V_COM - Analog Voltage (V)
Charge Injection vs. Analog Voltage
TEST CIRCUITS
Switch
Input
Logic
Input
V+
V+
NO or NC
COM
IN
GND
0V
Switch Output
V_OUT
R_L
300 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
V_COM
R_L
R_L R_ON
Logic “1” = Switch On
Logic input waveforms inverted for switches that have
the opposite logic sense.
Figure 1. Switching Time
Document Number: 74333
S-61774-Rev. A, 11-Sep-06
www.vishay.com
5