DG211B_11 Datasheet, PDF (8/13 Pages) Vishay Siliconix – Improved Quad CMOS Analog Switches

DG211B, DG212B
Vishay Siliconix
APPLICATIONS
+5V
+ 15 V
V_IN1
V_L
V+
V_IN2
DG419
CH
GND
V-
30 pF
+ 15 V
+
LM101A
-
- 15 V _DG212B
+ 15 V
R_F1
18 kΩ
R_F2
9.9 kΩ
R_F3
100 kΩ
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 kΩ
R_G2
100 Ω
GND
- 15 V
Figure 8. A Precision Amplifier with Digitally Programable Input and Gains
R_G3
100 Ω
Vishay Siliconix maintains worldwide manufacturing capability. Products may be manufactured at one of several qualified locations. Reliability data for Silicon
Technology and Package Reliability represent a composite of all qualified locations. For related documents such as package/tape drawings, part marking, and
reliability data, see www.vishay.com/ppg?70040.
www.vishay.com
8
Document Number: 70040
S11-0179-Rev. J, 07-Feb-11