TL081CJG Datasheet, PDF (16/45 Pages) Texas Instruments – JFET-INPUT OPERATIONAL AMPLIFIERS

TL081, TL081A, TL081B, TL082, TL082A, TL082B
TL084, TL084A, TL084B
JFETĆINPUT OPERATIONAL AMPLIFIERS
SLOS081G − FEBRUARY 1977 − REVISED SEPTEMBER 2004
APPLICATION INFORMATION
220 pF
16 kΩ
220 pF
16 kΩ
43 kΩ
30 kΩ
43 kΩ
30 kΩ
43 kΩ _{220 pF}
Input
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 A
Output A
Output B
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
16
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