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| SM73306 Datasheet, PDF (17/22 Pages) Texas Instruments – SM73306 CMOS Rail-to-Rail Input and Output Operational Amplifier | |||
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FIGURE 6. Examples of Guard
Ring in PC Board Layout
30159513
Application Circuits
DC Summing Amplifier (VIN ⥠0VDC and VO ⥠VDC
Inverting Amplifier
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Non-Inverting Amplifier
30159515
Where: V0 = V1 + V2 â V3 â V4
⥠(V1 + V2 (V3 + V4) to keep V0 > 0VDC
30159518
High Input Z, DC Differential Amplifier
Follower
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FIGURE 7. Typical Connections of Guard Rings
For
(CMRR depends on this resistor ratio match)
As shown: VO = 2(V2 â V1)
30159519
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