DG201A_MIL Datasheet, PDF (8/9 Pages) Vishay Siliconix – Monolithic Quad SPST CMOS Analog Switches

DG201A_MIL/202_MIL
Vishay Siliconix
APPLICATIONS
+15 V
f_C4
Select
TTL
Control
f_C3
Select
f_C2
Select
f_C1
Select
V₁
C₄
150 pF
C₃
1500 pF
C₂
0.015 mF
C₁
0.15 mF
DG201A_MIL
V–
GND
R₁ = 10 kW
R₂ = 10 kW
–15 V
R₃ = 1 MW
+15 V
–
LM101A
–15 V
+
30 pF
160
120
80
f_C1
40
f_C2 f_C3 f_C4
0
f_L1
f_L2
f_L3
f_L4
–40
1
10
100 1 k 10 k 100 k 1 M
f – Frequency (Hz)
V_OUT
A_L (Voltage Gain Below Break Frequency) =
1
f_C (Break Frequency) = _2pR3CX
f_L (Unity Gain Frequency) =
Max Attenuation =
r_DS(on)
10 kW
1
2pR₁C_X
[–47 dB
R₃
R₁ ^{= 100 (40 dB)}
FIGURE 7. Active Low Pass Filter with Digitally Selected Break Frequency
V_IN1
V_IN2
CH
+5 V
V_L
+15 V
V+
DG419
GND
V–
30 pF
+15 V
+
LM101A
–
–15 V _{DG202_MIL}
+15 V
R_F1
18 kW
R_F1
9.9 kW
R_F1
100 kW
Gain =
R_F + R_G
R_G
–15 V
Gain 1 (x1)
Gain 2 (x10)
Gain 3 (x100)
Gain 4 (x1000)
V–
Logic High = Switch On
R_G1
2 kW
GND
–15 V
FIGURE 8. A Precision Amplifier with Digitally Programable Input and Gains
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4-8
R_G2
100 W
R_G3
100 W
Document Number: 70036
S-00405—Rev. G, 21-Feb-00