ꢀ
ꢁ
ꢂ
ꢃꢄ
ꢅ
ꢀ
ꢁ
ꢂ
ꢃꢄ
ꢆꢅ
ꢀꢁ
ꢂ
ꢃ
ꢄ
ꢇ
ꢅ
ꢀꢁ
ꢂ
ꢃ
ꢈꢅ
ꢀꢁ
ꢂ
ꢃ
ꢈ
ꢆ
ꢅ
ꢀ
ꢁ
ꢂ
ꢃ
ꢈ
ꢇ
ꢀ
ꢁ
ꢂ
ꢃꢉ
ꢅ
ꢀ
ꢁ
ꢂ
ꢃꢉ
ꢆ
ꢅ
ꢀ
ꢁ
ꢂ
ꢃ
ꢉꢇ
ꢊ
ꢋ
ꢌ
ꢀꢍ
ꢎ
ꢏ
ꢐ
ꢑ
ꢀ
ꢒ
ꢐ
ꢌ
ꢓ
ꢆꢀ
ꢎ
ꢒ
ꢏ
ꢆ
ꢁ
ꢆ
ꢔ
ꢐ
ꢁ
ꢎ
ꢋ
ꢎ
ꢌꢓ
ꢕ
SLOS081G − FEBRUARY 1977 − REVISED SEPTEMBER 2004
†
TYPICAL CHARACTERISTICS
EQUIVALENT INPUT NOISE VOLTAGE
TOTAL HARMONIC DISTORTION
vs
vs
FREQUENCY
FREQUENCY
50
40
30
20
10
0
1
V
A
=
= 10
= 20 Ω
= 25°C
15 V
V
=
= 1
15 V
CC
VD
CC
A
VD
I(RMS)
0.4
R
V
= 6 V
S
T
A
T
A
= 25°C
0.1
0.04
0.01
0.004
0.001
10
400
1 k
4 k 10 k
40 k 100 k
10
40 100
400 1 k
4 k 10 k
40 k 100 k
f − Frequency − Hz
f − Frequency − Hz
Figure 21
Figure 22
†
Data at high and low temperatures are applicable only within the rated operating free-air temperature ranges of the various devices.
APPLICATION INFORMATION
R
= 100 kΩ
F
V
−
CC+
15 V
−
TL081
R1
C3
R2
3.3 kΩ
Output
+
Input
Output
TL081
+
V
CC−
C
= 3.3 µF
1 kΩ
F
−15 V
3.3 kΩ
R1 = R2 = 2(R3) = 1.5 MΩ
R3
C1
C2
C3
C1 = C2 =
= 110 pF
= 1 kHz
9.1 kΩ
2
1
1
f =
f
=
o
2π R
C
F
F
2π R1 C1
Figure 23
Figure 24
14
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
TI [ TEXAS INSTRUMENTS ]
