L3240 Ver la hoja de datos (PDF) - STMicroelectronics
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L3240 Datasheet PDF : 6 Pages
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L3240
ELECTRICAL CHARACTERISTICS
(Tamb = 25oC ; VS = applied between pins 7-2 ;otherwise specified)
AC OPERATION
Symbol
Parameter
Output Frequencies
Fout 1
Fout 2
Fout 1
Fout 2
Programming Resistor Range
Sweep Frequency
Test Conditions
Vs = 26 V, R1 = 14 KΩ
Vs = 0 V
Vs = 6 V
R1 = 14kΩ, C1 =100nF
Min. Typ. Max. Unit
kHz
2,29
2,8
1.6
2.1
1.33
1.43
8
56
kΩ
5.25 7,5 9.75 Hz
Figure 1 : Test Circuit.
Figure 2 : Typical Application with Balanced
Output.
Figure 3 : Application Compatible with LS1240
(single ended output).
Figure 4 : F1 Out vs. R1.
R1 ≈
3.56 x 104
F1 (HZ)
x (1 – 0.12 x ln F1 )
2543
f2 = 0.725 f1
fSWEEP =
750
C1 (nF)
3/6
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