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LM224DR2 View Datasheet(PDF) - ON Semiconductor

Part NameLM224DR2 ON-Semiconductor
ON Semiconductor ON-Semiconductor
DescriptionSingle Supply Quad Low Power Operational Amplifier
LM224DR2 Datasheet PDF : 12 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
LM324, LM324A, LM224, LM2902, LM2902V, NCV2902
Vref =
1
2
VCC
Vref
Triangle Wave
Output
+
1/4
LM324
-
C
R3
75 k
R1
100 k
Vref
R2
300 k
+
1/4
LM324
-
Rf
f = R1 + RC
4 CRf R1
if R3 = R2 R1
R2 + R1
Figure 15. Function Generator
Square
Wave
Output
R1
Vin
CC
R2
VCC
R3
-
1/4
LM324
+
CO
VO
CO = 10 C
Vref
1
Vref = 2 VCC
Figure 16. Multiple Feedback Bandpass Filter
Given:ąfoă=ăcenter frequency
A(fo)ă=ăgain at center frequency
Choose value fo, C
Then:
R3 =
Q
π fo C
R1 =
R3
2 A(fo)
R2 =
R1 R3
4Q2 R1 - R3
For less than 10% error from operational amplifier,
Qo fo
BW
< 0.1
where fo and BW are expressed in Hz.
If source impedance varies, filter may be preceded with
voltage follower buffer to stabilize filter parameters.
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The LM324 series are low−cost, quad operational amplifiers with true differential inputs. They have several distinct advantages over standard operational amplifier types in single supply applications.
The quad amplifier can operate at supply voltages as low as 3.0 V or as high as 32 V with quiescent currents about one−fifth of those associated with the MC1741 (on a per amplifier basis). The common mode input range includes the negative supply, thereby eliminating the necessity for external biasing components in many applications. The output voltage range also includes the negative power supply voltage.

Datasheet PDF LM324 Summary

1. Short Circuited Protected Outputs
2. True Differential Input Stage
3. Single Supply Operation: 3.0 V to 32 V
4. Low Input Bias Currents: 100 nA Maximum (LM324A)
5. Four Amplifiers Per Package
6. Internally Compensated
7. Common Mode Range Extends to Negative Supply
8. Industry Standard Pinouts
9. ESD Clamps on the Inputs Increase Ruggedness without Affecting Device Operation

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