LM324 datasheet(10/19 Pages) STMICROELECTRONICS

Part #	LM324

Description	Low power quad operational amplifiers

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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10 / 19 page

Typical single-supply applications

LM124-LM224-LM324

10/19

4

Typical single-supply applications

Figure 13. AC coupled inverting amplifier

Figure 14. High input Z adjustable gain DC

instrumentation amplifier

if R1 = R5 and R3 = R4 = R6 = R7

e0 =

(e2 -e1)

As shown e0 = 101 (e2 - e1).

1

2R

1

R

2

-----------

+

Figure 15. AC coupled non inverting amplifier

Figure 16. DC summing amplifier

e0 = e1 +e2 -e3 -e4

Where (e1 +e2) ≥ (e3 +e4)

to keep e0 ≥ 0V

Figure 17. Non-inverting DC gain

Figure 18. Low drift peak detector

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