Datasheet

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TYPICAL CHARACTERISTICS
Df = 1%
†
40
10
100
1 k 4 k 10 k 40 k 100 k 400 k 1 M
f − Oscillator Frequency and Frequency Variation − Hz
OSCILLATOR FREQUENCY AND
FREQUENCY VARIATION
†
vs
TIMING RESISTANCE
400
1 k
4 k
10 k
40 k
100 k
R
T
− Timing Resistance − Ω
0.1 µF
−2%
−1%
0%
0.01 µF
0.001 µF
V
CC
= 15 V
T
A
= 25°C
C
T
= 1 µF
†
Frequency variation (∆f) is the change in oscillator frequency that occurs over the full temperature range.
10
0
100
20
1 10 100 1 M
A − Amplifier Voltage Amplification − dB
30
f − Frequency − Hz
AMPLIFIER VOLTAGE AMPLIFICATION
vs
FREQUENCY
1 k
V
CC
= 15 V
∆V
O
= 3 V
T
A
= 25°C
10 k
40
50
60
70
80
90
100 k
TL494
PULSE-WIDTH-MODULATION CONTROL CIRCUITS
SLVS074E – JANUARY 1983 – REVISED FEBRUARY 2005
Figure 5.
Figure 6.
8