DS1090 Datasheet, PDF (5/8 Pages) Maxim Integrated Products – Low-Frequency, Spread-Spectrum EconOscillator

Low-Frequency, Spread-Spectrum
EconOscillator
Typical Operating Characteristics (continued)
(V_CC = +3.3V, T_A = +25°C, unless otherwise noted.)
OUTPUT FREQUENCY
vs. TEMPERATURE
10
V_CC = 3.3V
9
8
40kΩ
7
60kΩ
80kΩ
6
5
4
-40 -15
10
35
60
85
TEMPERATURE (°C)
DUTY CYCLE
vs. TEMPERATURE
52
R_SET = 40kΩ
51
V_CC = 3.3V
50
V_CC = 5V
49
DS1090U-1
48
-40 -15
10
35
60
85
TEMPERATURE (°C)
18
16
14
12
10
8
40
RESISTOR CURRENT
vs. RESISTOR VALUE
V_CC = 3.3V, T_A = +25°C
50
60
70
80
R_SET (kΩ)
FREQUENCY ERROR
vs. SUPPLY VOLTAGE (FROM 3.3V)
5.0
T_A = +25°C
2.5
80kΩ
0
-2.5
40kΩ
60kΩ
-5.0
3.0 3.5 4.0 4.5 5.0 5.5
SUPPLY VOLTAGE (V)
FREQUENCY ERROR
vs. TEMPERATURE (FROM +25°C)
2.0
V_CC = 3.3V
60kΩ
1.0
0
80kΩ
-1.0
40kΩ
-2.0
-40 -15
10
35
60
85
TEMPERATURE (°C)
POWER SPECTRUM vs. SPREAD
0
OFF
-10
-20
±2%
V_CC = 3.3V,
T_A = +25°C,
JC0 = JC1 = 1
-30
±4%
-40
±8%
-50
-60
-70
-80
4.80
5.35
5.90
FREQUENCY (MHz)
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