Datasheet

Typical single-supply applications LM224A, LM324A
10/16 DocID4797 Rev 6
4 Typical single-supply applications
Figure 19. AC coupled inverting amplifier Figure 20. High input Z adjustable gain DC
instrumentation amplifier
if R1 = R5 and R3 = R4 = R6 = R7
e
0
= (e
2
-e
1
)
As shown e
0
= 101 (e
2
- e
1
).
1
2R
1
R
2
-----------+
Figure 21. AC coupled non inverting amplifier Figure 22. DC summing amplifier
e
0
= e
1
+e
2
-e
3
-e
4
Where (e
1
+e
2
)
(e
3
+e
4
)
to keep e
0
0V
Figure 23. Non-inverting DC gain Figure 24. Low drift peak detector