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TL081CJG Datasheet, PDF (14/45 Pages) Texas Instruments – JFET-INPUT OPERATIONAL AMPLIFIERS | |||
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TL081, TL081A, TL081B, TL082, TL082A, TL082B
TL084, TL084A, TL084B
JFETÄINPUT OPERATIONAL AMPLIFIERS
SLOS081G â FEBRUARY 1977 â REVISED SEPTEMBER 2004
TYPICAL CHARACTERISTICSâ
EQUIVALENT INPUT NOISE VOLTAGE
vs
FREQUENCY
50
VCC ± = ± 15 V
AVD = 10
RS = 20 â¦
40
TA = 25°C
30
TOTAL HARMONIC DISTORTION
vs
FREQUENCY
1
VCC ± = ± 15 V
0.4 AVD = 1
VI(RMS) = 6 V
TA = 25°C
0.1
0.04
20
0.01
10
0.004
0
10
40 100 400 1 k 4 k 10 k
f â Frequency â Hz
40 k 100 k
0.001
10
400 1 k
4 k 10 k
f â Frequency â Hz
40 k 100 k
Figure 21
Figure 22
â Data at high and low temperatures are applicable only within the rated operating free-air temperature ranges of the various devices.
APPLICATION INFORMATION
RF = 100 kâ¦
3.3 kâ¦
15 V
CF = 3.3 µF
TL081
â15 V
1
f=
2Ï RF CF
3.3 kâ¦
Figure 23
Output
1 kâ¦
9.1 kâ¦
Input
VCC +
R1
R2
TL081
C3
VCC â
Output
R3
C1
C2
R1 = R2 = 2(R3) = 1.5 Mâ¦
C1 = C2 = C3 = 110 pF
2
1
fo = 2Ï R1 C1 = 1 kHz
Figure 24
14
⢠POST OFFICE BOX 655303 DALLAS, TEXAS 75265
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