DG411 Datasheet, PDF (6/10 Pages) Vishay Siliconix – Precision Monolithic Quad SPST CMOS Analog Switches

DG411/883
Typical Performance Curves (Continued)
40
V+ = 15V, V- = -15V
30 V_L = 5V, T_A = 25^oC
20
10
I_D(OFF)
0
-10
I_S(OFF)
-20
I_{D + S(ON)}
-30
-40
-50
-60
-15
-10
-5
0
5
10
15
DRAIN OR SOURCE VOLTAGE (V)
FIGURE 3. LEAKAGE CURRENT vs ANALOG VOLTAGE
100mA
V+ = 15V, V- = -15V
10mA ^{VL = 5V}
1mA
100µA
10µA
1µA
I+, I-
4SW
I_L
4SW
100nA
1SW
10nA
10
100
1SW
1k
10k
100k
1M
10M
FREQUENCY (Hz)
FIGURE 4. SUPPLY CURRENT vs INPUT SWITCHING FREQUENCY
100
V+ = 15V, V- = -15V
80 ^VL ^{= 5V}
60
40
C_L = 10nF
20
0
-20
C_L = 1nF
-40
-60
-15
-10
-5
0
5
10
15
SOURCE VOLTAGE (V)
FIGURE 5. CHARGE INJECTION vs ANALOG VOLTAGE (V_D)
Test Circuits
V_O is the steady state output with the switch on.
Feedthrough via switch capacitance may result in spikes at
the leading and trailing edge of the output waveform.
140
V+ = 15V, V- = -15V
120 _{VL = 5V}
100
C_L = 10nF
80
C_L = 1nF
60
40
20
0
-20
-40
-60
-15
-10
-5
0
5
10
15
DRAIN VOLTAGE (V)
FIGURE 6. CHARGE INJECTION vs ANALOG VOLTAGE (V_S)
3V
LOGIC
INPUT
0V
SWITCH
INPUT
V_S
SWITCH
OUTPUT _0V
50%
t_R < 20ns (10% TO 90% V_IN)
t_F < 20ns (90% TO 10% V_IN)
t_OFF
V_O
0.9 V_O
0.9 V_O
t_ON
NOTE: Logic input waveform is inverted for switches that
have the opposite logic sense.
FIGURE 7A.
.
6
FN6726.0
June 13, 2008