TL081 データシートの表示（PDF） - ON Semiconductor
部品番号
コンポーネント説明
メーカー
TL081 Datasheet PDF : 8 Pages
| |||
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
ăPolystyrene Capacitor
Time (t) = R4 Cȏn (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 ĂR3 = R4 = 144 M
R6 = 20 k R5 = 2.0 k R1 = R2 = 1.0 k
Figure 17. Isolating Large Capacitive Loads
2.0 V
0
-2.0 V
R1 5.1 k
R2 5.1 k
CC 20 pF
-
TL081
IO
R3 10
+
RL 5.1 k
VO
CL 0.5 µF
•ăOvershoot ăt 10%
•ăts = 10 µs
•ăWhen driving large CL, the VO slew rate is determined by CL
•ăand IO(max):
DDVtOĂ
+Ă
CIOLĂ
^Ă
0.02
0.5
V/µs = 0.04 V/µs (with CL shown)
http://onsemi.com
6
Share Link: 