tlc272
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33
POST OFFICE BOX 655303
• DALLAS, TEXAS 75265
APPLICATION INFORMATION
10 k
Ω
10 k
Ω
5 k
Ω
VI
–
+
10 k
Ω
10 k
Ω
10 k
Ω
0.016
µF
–
+
R = 5 k
Ω(3/d-1) (see Note A)
Band Pass
High Pass
Low Pass
–
+
0.016
µF
5 V
1/2
TLC272
1/2
TLC272
1/2
TLC272
NOTE A: d = damping factor, 1/Q
Figure 44. State-Variable Filter
1/2
TLC272
VI
12 V
H.P.
5082-2835
0.5
µF
Mylar
VO
100 k
Ω
–
+
–
+
1/2
TLC272
N.O.
Reset
Figure 45. Positive-Peak Detector
TLC272, TLC272A, TLC272B, TLC272Y, TLC277
LinCMOS
PRECISION DUAL OPERATIONAL AMPLIFIERS
SLOS091E – OCTOBER 1987 – REVISED FEBRUARY 2002
34
POST OFFICE BOX 655303
• DALLAS, TEXAS 75265
APPLICATION INFORMATION
1/2
TLC272
110
Ω
VO
(see Note B)
–
+
250
µF,
25 V
10 k
Ω
TIP31
TL431
20 k
Ω
1 k
Ω
100 k
Ω
0.47
µF
15
Ω
TIS193
0.01
µF
47 k
Ω
22 k
Ω
0.1
µF
4.7 k
Ω
1.2 k
Ω
VI
(see Note A)
–
+
NOTES: A. VI = 3.5 to 15 V
B. VO = 2 V, 0 to 1 A
Figure 46. Logic-Array Power Supply
9 V
100 k
Ω
47 k
Ω
TLC272
1/2
1/2
TLC272
R2
VO (see Note A)
VO (see Note B)
10 k
Ω
10 k
Ω
R3
0.1
µF
100 k
Ω
9 V
R1
–
+
f
O +
1
4C(R2)
[R1
R3
]
C
NOTES: A. VO(PP) = 8 V
B. VO(PP) = 4 V
Figure 47. Single-Supply Function Generator
TLC272, TLC272A, TLC272B, TLC272Y, TLC277
LinCMOS
PRECISION DUAL OPERATIONAL AMPLIFIERS
SLOS091E – OCTOBER 1987 – REVISED FEBRUARY 2002
35
POST OFFICE BOX 655303
• DALLAS, TEXAS 75265
APPLICATION INFORMATION
10 k
Ω
1/2
TLC277
(see Note A)
R1,10 k
Ω
VO
95 k
Ω
10 k
Ω
–
+
– 5 V
VI +
VI –
5 V
10 k
Ω
100 k
Ω
–
+
–
+
1/2
TLC277
1/2
TLC277
NOTE B: CMRR adjustment must be noninductive.
Figure 48. Low-Power Instrumentation Amplifier
R/2
5 M
Ω
C
270 pF
2C
540 pF
R
10 M
Ω
VO
VI
5 V
–
+
f
NOTCH +
1
2
pRC
C
270 pF
R
10 M
Ω
1/2
TLC272
Figure 49. Single-Supply Twin-T Notch Filter
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any product or service without notice. Customers should obtain the latest relevant information before placing
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TI warrants performance of its hardware products to the specifications applicable at the time of sale in
accordance with TI’s standard warranty. Testing and other quality control techniques are used to the extent TI
deems necessary to support this warranty. Except where mandated by government requirements, testing of all
parameters of each product is not necessarily performed.