DG300A_MIL Datasheet, PDF (9/10 Pages) Vishay Siliconix – CMOS Analog Switches

APPLICATIONS
DG300A_MIL/301A_MIL/302A_MIL
Vishay Siliconix
+15 V
-15 V
+15 V
CMOS Logic
Input Select
High = Diff. IN B
Diff. IN A
Diff. IN B
+15 V
-15 V
+
-
R₂
75 kW
R₄
75 kW
R₆
75 kW
DG302A
CMOS Logic
Gain Select
High = A_V = 101
R₁
16 kW
Ri₁
1.5 kW
DG301A
GND
R₂
75 kW
Voltage gain of the instrumentation amplifier is:
A_V = 1 +
2R_{2 (In the circuit shown, AV1 = 10.4, AV2 = 101)}
R₁
V_OUT
R₅
75 kW
+15 V
R₇
67 kW
V_OSNULL
50 kW
-15 V
FIGURE 6. Low Power Instrumentation Amplifier with Digitally Selectable Inputs and Gain
Document Number: 71677
S-31622—Rev. C, 11-Aug-03
www.vishay.com
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