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DG300A 데이터 시트보기 (PDF) - Temic Semiconductors

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DG300A
Temic
Temic Semiconductors Temic
DG300A Datasheet PDF : 10 Pages
1 2 3 4 5 6 7 8 9 10
DG300A/301A/302A/303A
Applications (Cont’d)
+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 = AV = 101
R1
16 kW
Ri1
1.5 kW
DG301A
GND
R2
75 kW
Voltage gain of the instrumentation amplifier is:
AV = 1
+
2R2
R1
(In the circuit shown, AV1 = 10.4, AV2 = 101)
VOUT
R5
75 kW
+15 V
R7
67 kW
VOSNULL
50 kW
–15 V
Figure 6. Low Power Instrumentation Amplifier with Digitally Selectable Inputs and Gain
10
Siliconix
S-52880—Rev. C, 28-Apr-97

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