TL080, TL081, TL082, TL084, TL081A, TL082A, TL084A
TL081B, TL082B, TL084B
JFET-INPUT OPERATIONAL AMPLIFIERS
SLOS081A–D2297, FEBRUARY 1977–REVISED NOVEMBER 1992
TYPICAL APPLICATION DATA
R
= 100 kΩ
F
V
CC+
–
TL081
R1
C3
R2
+15 V
–
+
Input
Output
3.3 kΩ
Output
V
CC–
TL081
+
C
= 3.3 µF
1 kΩ
F
–15 V
R1 = R2 = 2(R3) = 1.5 MΩ
R3
C3
2
C1
C2
C1 = C2 =
= 110 pF
= 1 kHz
3.3 kΩ
9.1 kΩ
1
1
f
o
=
f =
2π R1 C1
2π R
C
F
F
Figure 24. 0.5-Hz Square-Wave Oscillator
Figure 25. High-Q Notch Filter
V
CC+
–
1 MΩ
TL084
+
Output A
V
CC+
+
TL084
1 µF
V
CC+
–
Input
–
TL084
+
Output B
Output C
100 kΩ
100 µF
100 kΩ
V
CC+
100 kΩ
100 kΩ
V
CC+
–
TL084
+
Figure 26. Audio Distribution Amplifier
6 sin ωt
1N4148
– 15 V
18 kΩ
(see Note A)
18 pF
1 kΩ
18 pF
V
CC+
–
V
CC+
88.4 kΩ
1/2
–
TL082
1/2
+
6 cos ωt
TL082
88.4 kΩ
V
CC–
+
18 pF
1 kΩ
V
CC–
15 V
1N4148
18 kΩ
(see Note A)
88.4 kΩ
NOTE A: These resistor values may be adjusted for a symmetrical output.
Figure 27. 100-KHz Quadrature Oscillator
16
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