DG211B Datasheet, PDF (8/8 Pages) Vishay Siliconix – Improved Quad CMOS Analog Switches

DG211B/212B
Vishay Siliconix
APPLICATIONS
V_IN1
V_IN2
CH
+5 V
V_L
+15 V
V+
DG419
GND
V–
30 pF
+15 V
+
LM101A
–
–15 V _DG212B
+15 V
R_F1
18 kW
R_F2
9.9 kW
R_F3
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
R_G2
100 W
GND
–15 V
FIGURE 8. A Precision Amplifier with Digitally Programable Input and Gains
R_G3
100 W
www.vishay.com S FaxBack 408-970-5600
4-8
Document Number: 70040
S-00788—Rev. H, 24-Apr-00