TL081 Datasheet, PDF (19/29 Pages) STMicroelectronics – GENERAL PURPOSE J-FET SINGLE OPERATIONAL AMPLIFIER

TL081, TL081A, TL081B, TL082, TL082A, TL082B
TL082Y, TL084, TL084A, TL084B, TL084Y
JFET-INPUT OPERATIONAL AMPLIFIERS
SLOS081E – FEBRUARY 1977 – REVISED FEBRUARY 1999
APPLICATION INFORMATION
220 pF
16 kΩ
220 pF
16 kΩ
43 kΩ
30 kΩ
43 kΩ
30 kΩ
43 kΩ
Input
220 pF
VCC ₊
1/4
TL084
1.5 kΩ
VCC _–
43 kΩ
VCC ₊
1/4
TL084
VCC _–
220 pF
43 kΩ
VCC ₊
1/4
TL084
1.5 kΩ
VCC _–
43 kΩ
VCC ₊
1/4
TL084
VCC _–
Output
B
Output A
Output A
Output B
2 kHz/div
Second-Order Bandpass Filter
fo = 100 kHz, Q = 30, GAIN = 4
2 kHz/div
Cascaded Bandpass Filter
fo = 100 kHz, Q = 69, GAIN = 16
Figure 27. Positive-Feedback Bandpass Filter
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