DS1087L 데이터 시트보기 (PDF) - Dallas Semiconductor -> Maxim Integrated
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DS1087L Datasheet PDF : 12 Pages
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3.3V Spread-Spectrum EconOscillator
(VCC = 3.3V, TA = +25°C, unless otherwise noted.)
Typical Operating Characteristics
SUPPLY CURRENT vs. PRESCALER
6
VCC = 3.3V
OUPUT UNLOADED
5
4
3
-40°C, +25°C, +85°C
2
1
0
1
10
100
1000
PRESCALER (DECIMAL)
SUPPLY CURRENT
vs. TEMPERATURE WITH OE = 0
4.0
VCC = 2.7V
3.5 OUTPUT UNLOADED
3.0
2.5
FREQUENCY = 66.6MHz
2.0
1.5
FREQUENCY = 206.4kHz
1.0
0.5
0
-40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90
TEMPERATURE (°C)
SHUTDOWN SUPPLY CURRENT
vs. TEMPERATURE
2.0
1.8
VCC = 3.3V
OUTPUT UNLOADED
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
-40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90
TEMPERATURE (°C)
FREQUENCY % CHANGE vs.
SUPPLY VOLTAGE
1.00
0.80 OUTPUT LOADED WITH
12pF OSCILLOSCOPE PROBE
0.60 FREQUENCY = 66.6MHz
0.40
0.20
0
-0.20
-0.40
-0.60
-0.80
-1.00
2.7 2.8 2.9 3.0 3.1 3.2 3.3 3.4 3.5 3.6
VOLTAGE (V)
FREQUENCY % CHANGE vs.
TEMPERATURE
1.50
VCC = 3.3V
1.00 FREQUENCY = 66.6MHz
OUTPUT LOADED WITH
12pF OSCILLOSCOPE PROBE
0.50
0
-0.50
-1.00
-1.50
-40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90
TEMPERATURE (°C)
ACTIVE SUPPLY CURRENT
vs. SCL FREQUENCY
7
VCC = SDA = 3.3V
6 FREQUENCY = 66.6MHz
OUTPUT UNLOADED
5
4
3
2
1
0
0
100
200
300
400
SCL FREQUENCY (kHz)
DUTY CYCLE vs. VOLTAGE
60
59
FREQUENCY = 66.6MHz
TA = +25°C
58 OUTPUT LOADED WITH
57 12pF OSCILLOSCOPE PROBE
56
55
54
53
52
51
50
2.7 2.8 2.9 3.0 3.1 3.2 3.3 3.4 3.5 3.6
VOLTAGE (V)
DUTY CYCLE vs. TEMPERATURE
60
59
VCC = 3.3V
FREQUENCY = 66.6MHz
58 OUTPUT LOADED WITH
57 12pF OSCILLOSCOPE PROBE
56
55
54
53
52
51
50
0
10 20 30 40 50 60 70
TEMPERATURE (°C)
6 _____________________________________________________________________
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