LM2904ADMR2 ONSEMI [ON Semiconductor], LM2904ADMR2 Datasheet - Page 8

• Manufacturer Part Number: LM2904ADMR2
• Description: Single Supply Dual Operational Amplifiers
• Manufacturer: ONSEMI [ON Semiconductor]

V
in
e
e
1
2
Figure 12. High Impedance Differential Amplifier
C1
R1
MC1403
V
CC
+
1/2
LM358
−
1/2
LM358
−
+
a R1
b R1
Figure 10. Voltage Reference
e
R2
o
= C (1 + a + b) (e
V
R2
ref
LM358, LM258, LM2904, LM2904A, LM2904V, NCV2904
2.5 V
R2
C R
1
C R
1
1/2
LM358
−
+
−
1/2
LM358
C
+
2
R
− e
R1
V
O
R
1
)
V
= 2.5 V (1 +
CC
−
1/2
LM358
+
R1
R
R
R1
R2
Bandpass
Figure 14. Bi−Quad Filter
Output
)
V
O
http://onsemi.com
V
ref
e
1/2
LM358
o
−
+
C
V
8
ref
V
ref
R
=
1/2
LM358
−
+
V
V
1
2
V
ref
ref
in
V
R3
CC
100 k
Where:
Figure 11. Wien Bridge Oscillator
Figure 13. Comparator with Hysteresis
R1
10 k
V
R
V
T
T
V
ref
inH
BP
N
inL
H =
= Passband Notch Gain
= Center Frequency Gain
1/2
LM358
=
=
1/2
LM358
100 k
−
+
−
+
5.0 k
R1 + R2
R1 + R2
C1
R2
R1 + R2
R1
R1
R1
1/2
LM358
C
−
+
50 k
R
(V
(V
V
(V
For:
CC
OH
OL
OH
C
Notch Output
− V
− V
V
− V
O
f
Q
T
T
R2 =
R3 = T
C1 = 10 C
R1 = QR
o
f
ref
ref
BP
N
o
OL
)+ V
) + V
=
V
V
)
V
= 1.0 kHz
= 10
= 1
= 1
OH
OL
For: f
O
T
f
R1
N R2
o
ref
BP
2 p
ref
RC
=
1
V
2 p RC
O
R = 16 kW
C = 0.01 mF
o
1
= 1.0 kHz
R
C
R1
R2
R3
V
ref
V
= 160 kW
= 0.001 mF
= 1.6 MW
= 1.6 MW
= 1.6 MW
Hysteresis
inL
=
V
ref
1
2
V
V
inH
CC