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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
VCC
MC1403
R1
VCC
R2
-
1/4
LM324
VO
+
2.5 V
VO = 2.5 V
ă1 +
R1
R2
50 k
Vref
Vref
=
1
2
VCC
5.0 k
10 k
-
VCC
1/4
LM324
+
R
R
C
C
VO
1
fo = 2 π RC
For: fo = 1.0 kHz
R = 16 k
C = 0.01 µF
Figure 10. Voltage Reference
Figure 11. Wien Bridge Oscillator
e1
+
1/4
1
C
R
R
LM324
-
R1 a R1
-
1/4
LM324
eo
+
b R1
-
1/4
1
C
R
LM324
e2
+
R
eo = C (1 + a + b) (e2 - e1)
Figure 12. High Impedance Differential Amplifier
R2
R1
Vref
Vin
+
1/4
LM324
-
VOH
VO
VO VOL
VinL =
R1
R1 + R2
(VOL - Vref) + Vref
VinH =
R1
R1 + R2
(VOH - Vref) + Vref
H=
R1
R1 + R2
(VOH - VOL)
Hysteresis
VinL VinH
Vref
Figure 13. Comparator with Hysteresis
Vin C1
R2
R
-C
1/4
LM324
+
Vref
R2
R
C
R
-
1/4
LM324
+
100 k
100 k
-
1/4
LM324
1
fo = 2 π RC
R1 = QR
R2 =
R1
TBP
R3 = TN R2
C1 = 10C
Vref =
1
2
VCC
Vref
Bandpass
Output
R1
R3
-
1/4
LM324
+
+
Vref
C1
For:ąfoă=ă1.0 kHz
For:ąQă= 10
For:ąTBPă= 1
For:ąTNă= 1
Notch Output
R = 160 k
C = 0.001 µF
R1 = 1.6 M
Vref
Where:ąTBPă=ăCenter Frequency Gain
Where:ąTNă=ăPassband Notch Gain
R2 = 1.6 M
R3 = 1.6 M
Figure 14. Bi–Quad Filter
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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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