DG418BDQ-T1 Datasheet, PDF (7/16 Pages) Vishay Siliconix – Precision Monolithic Quad SPST CMOS Analog Switches

DG417B, DG418B, DG419B
Vishay Siliconix
TYPICAL CHARACTERISTICS T_A = 25 °C, unless otherwise noted
200
180 _DG417B
160 C_L = 10 nF
140
120
100
80
60
40
20 ^{V+ = + 15 V}
0 ^{V- = - 15 V}
- 20
V+ = + 12 V
V- = 0 V
- 40
- 60
V+ = + 12 V
- 80
V- = - 12 V
- 100
- 15 - 12 - 9 - 6 - 3 0 3 6 9 12 15
200
180 _DG417B
160 C_L = 10 nF
140
120
100
80
60
V+ = + 15 V
40
V- = - 15 V
20
0
- 20
- 40
V+ = + 12 V
- 60
V- = - 12 V
- 80
- 100
- 15 - 12 - 9 - 6 - 3 0
V+ = + 12 V
V- = 0 V
3 6 9 12 15
Analog Voltage (V)
Charge Injection vs. Analog Voltage
(Measured at drain pin)
Analog Voltage (V)
Charge Injection vs. Analog Voltage
(Measured at source pin)
100
80
60
V+ = + 12 V
DG419B
C_L = 10 nF
40
V- = - 12 V
20
V+ = + 12 V
V- = - 0 V
0
- 20
- 40
- 60
- 80
- 100
V+ = + 15 V
V- = - 15 V
- 120
- 140
- 160
- 180
- 200
- 15 - 12 - 9 - 6 - 3 0 3 6 9 12 15
Analog Voltage (V)
Charge Injection vs. Analog Voltage
(Measured at drain pin)
200
180
160
140
DG419B
C_L = 10 nF
120
100
80
V+ = + 15 V
V- = - 15 V
60
40
20
0
V+ = + 12 V
- 20
V- = - 0 V
- 40
- 60
V+ = + 12 V
V- = - 12 V
- 80
- 100
- 15 - 12 - 9 - 6 - 3 0 3 6 9 12 15
Analog Voltage (V)
Charge Injection vs. Analog Voltage
(Measured at source pin)
TEST CIRCUITS
V_O is the steady state output with the switch on.
+5V
+ 15 V
10 V
V_L
S
IN
GND
V+
D
R_L
V-
300
V_O
C_L
35 pF
Logic
3V
Input
0V
50 %
Switch
V_S
Input
V_O
90 %
t_r < 5 ns
t_f < 5 ns
t_OFF
- 15 V
Switch
0V
Output
t_ON
C_L (includes fixture and stray capacitance)
V_O = V_S
R_L
R_L + R_DS(on)
Note: Logic input waveform is inverted for switches that have the
opposite logic sense.
Figure 2. Switching Time (DG417B/418B)
Document Number: 72107
S09-1261-Rev. D, 13-Jul-09
www.vishay.com
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