MAX038 Просмотр технического описания (PDF) - Maxim Integrated
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MAX038 Datasheet PDF : 16 Pages
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High-Frequency Waveform Generator
__________________________________________Typical Operating Characteristics
(Circuit of Figure 1, V+ = DV+ = 5V, V- = -5V, VDADJ = VFADJ = VPDI = VPDO = 0V, RL = 1kΩ, CL = 20pF, TA = +25°C, unless
otherwise noted.)
100M
10M
1M
100k
10k
1k
100
10
1
0.1
1
OUTPUT FREQUENCY
vs. IIN CURRENT
33pF
100pF
330pF
3.3nF
33nF
100nF
1µF
3.3µF
10µF
47µF
100µF
10
100
IIN CURRENT (µA)
1000
NORMALIZED OUTPUT FREQUENCY
vs. DADJ VOLTAGE
1.10
IIN = 10µA
1.05
IIN = 25µA
IIN = 50µA
1.00
0.95
IIN = 100µA
IIN = 250µA
0.90
IIN = 500µA
0.85
DADJ (V)
NORMALIZED OUTPUT FREQUENCY
vs. FADJ VOLTAGE
2.0
1.8
IIN = 100µA, COSC = 1000pF
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
-3 -2 -1
01
2
3
VFADJ (V)
DUTY CYCLE vs. DADJ VOLTAGE
100
90
80
70
60
50
40
30
20
10
IIN = 200µA
0
-3 -2 -1 0 1
2
3
DADJ (V)
2.0
1.5
1.0
0.5
0
-0.5
-1.0
-1.5
-2.0
-2.5
-2.0
DUTY-CYCLE LINEARITY
vs. DADJ VOLTAGE
IIN = 500µA
IIN = 250µA
IIN = 100µA
IIN = 50µA
IIN = 25µA
IIN = 10µA
-1.0 0
1.0 1.5 2.5
DADJ (V)
4 _______________________________________________________________________________________
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