DG189 Datasheet, PDF (8/9 Pages) Vishay Siliconix – High-Speed Drivers with Dual SPDT JFET Switches

DG189/190/191
Vishay Siliconix
TEST CIRCUITS
Feedthrough due to charge injection may result in spikes at the leading and trailing edge of the output waveform.
+5 V
V_L
V_S1
S₁
V_S2
S₃
IN
V_R
+15 V
V+
D₁
D₃
V−
−15 V
t_ON: V_S = 3 V
t_OFF: V_S = −3 V
R_L
1 kW
3V
Logic
Input
0V
V_O
C_L
3V
100 pF
0V
Switch
Output
C_L (includes fixture and stray capacitance)
R_L
V_OUT + V_S x _{RL ) rDS(on)}
−3 V
50%
90%
t_ON
FIGURE 2. Switching Time
t_r <10 ns
t_f <10 ns
t_OFF
0V
90%
APPLICATION HINTS^a
Switch
V+
Positive
Supply Voltage
(V)
V−
Negative
Supply
Voltage
(V)
V_L
Logic Supply
Voltage
(V)
V_R
Reference
Supply
Voltage
(V)
15^b
−15
5
DG189
DG190
10
−20
5
12
−12
5
15^b
−15
5
DG191
10
−20
5
12
−12
5
GND
GND
GND
GND
GND
GND
Notes:
a. Application Hints are for DESIGN AID ONLY, not guaranteed and not subject to production testing.
b. Electrical Parameter Chart based on V+ = 15 V, V_L = 5 V, V_R = GND
V_IN
Logic Input
Voltage
V_INH(min)/V_INL(max
)
(V)
2.0/0.8
2.0/0.8
2.0/0.8
2.0/0.8
2.0/0.8
2.0/0.8
V_S
Analog
Voltage
Range
(V)
−7.5 to 15
−12.5 to 10
−4.5 to 12
−10 to 15
−15 to 10
−7 to 12
www.vishay.com
8
Document Number: 70034
S-51140—Rev. D, 20-Jun-05