LMC6024

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SNOS621D – AUGUST 2000 – REVISED MARCH 2013

(V

+ = 5.0 V

DC)

Figure 36.

(Upper limit of output range dictated by input common-mode range; lower limit dictated by minimum current

requirement of LM385.)

Figure 37. Micropower Current Source

Figure 38. Low-Leakage Sample-and-Hold

If R1 = R5, R3 = R6, and R4 = R7;

Then

.

∴AV ≈ 100 for circuit shown.

For good CMRR over temperature, low drift resistors should be used. Matching of R3 to R6 and R4 to R7 affects

CMRR. Gain may be adjusted through R2. CMRR may be adjusted through R7.

Figure 39. Instrumentation Amplifier

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