Datasheet

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SLVS024E – FEBRUARY 1983 – REVISED NOVEMBER 1999
10
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TYPICAL CHARACTERISTICS
100 k
10 k
1 k
1 M
1 k 4 k 10 k 40 k 100 k 400 k 1 M
TRIANGLE OSCILLATOR FREQUENCY
vs
TIMING RESISTANCE
C
T
= 150 pF
C
T
= 1500 pF
C
T
= 15000 pF
V
CC
= 5 V
T
A
= 25°C
R
T
– Timing Resistance – Ω
0
–1
–2
–3
–25 0 25 50
afosc – Oscillator Frequency Variation – %
1
2
OSCILLATOR FREQUENCY VARIATION
vs
FREE-AIR TEMPERATURE
3
75 100
V
CC
= 3.6 V
R
T
= 10 kΩ
C
T
= 330 pF
f
osc
= 200 kHz
T
A
– Free-Air Temperature – °C
osc
f
∆
fosc – Triangle Oscillator Frequency – Hz
osc
f
Figure 3 Figure 4
2.2
2
1.6
1.4
0.8
2.6
1.8
Triangle Waveform Swing Voltage – V
2.4
TRIANGLE WAVEFORM SWING VOLTAGE
vs
TIMING CAPACITANCE
1.2
1
V
CC
= 5 V
R
T
= 5.1 kΩ
T
A
= 25°C
C
T
– Timing Capacitance – pF
10
1
10
2
10
3
10
4
10
5
Triangle Waveform Period – uS
TRIANGLE WAVEFORM PERIOD
vs
TIMING CAPACITANCE
V
CC
= 5 V
R
T
= 5.1 kΩ
T
A
= 25°C
sµ
10
2
10
1
10
0
10
–1
10
1
10
2
10
3
10
4
10
5
C
T
– Timing Capacitance – pF
Figure 5 Figure 6