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TL081AC View Datasheet(PDF) - ON Semiconductor

Part Name
Description
View to exact match
TL081AC
ON-Semiconductor
ON Semiconductor ON-Semiconductor
TL081AC Datasheet PDF : 8 Pages
1 2 3 4 5 6 7 8
Vin
Reset
TL081C,AC TL082C,AC TL084C,AC
Figure 14. Positive Peak Detector
Figure 15. Voltage Controlled Current Source
R3
1/2
1/2
TL082
VO
TL082
+
1N914
*1.0 µF
+
*Polycarbonate or
Polystyrene Capacitor
R1
Vin
+
R5
TL081
IO
R2
R4
If
R1
through
R4
>
>
R5
then
Iout
=
Vin
R5
Figure 16. Long Interval RC Timer
R1 V1 R3
VR
R4
R2
Clear
C*
Run
R5
TL081
6
+
R6
*Polycarbonate or
Polystyrene Capacitor
ȏ Time (t) = R4 C n (VR/VR–VI), R3 = R4, R5 = 0.1 R6
If R1 = R2: t = 0.693 R4C
Design Example: 100 Second Timer
VR = 10 V C = l.0 mF R3 = R4 = 144 M
R6 = 20 k R5 = 2.0 k R1 = R2 = 1.0 k
Figure 17. Isolating Large Capacitive Loads
R2 5.1 k
VO
R1 5.1 k
CC 20 pF
TL081
IO
R3 10
2.0 V
0
–2.0 V
+
RL 5.1 k
CL 0.5 µF
t Overshoot 10%
ts = 10 µs
When driving large CL, the VO slew rate is determined by CL
and IO(max):
+ ^ DVO
Dt
IO
CL
0.02
0.5
V/µs = 0.04 V/µs (with CL shown)
6
MOTOROLA ANALOG IC DEVICE DATA
 

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