Rainbow-electronics DS1091L Manuale Utente Pagina 3

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DS1091L
Automotive Temperature Range
Spread-Spectrum Econoscillator
_____________________________________________________________________ 3
Note 1: All voltages are referenced to ground. Currents entering the IC are specified positive and currents exiting the IC are negative.
Note 2: Supply current measured with C
L
= 15pF, V
CC
= 3.6V, T
A
= 25°C, f
OUT
= 66.6MHz, no dither.
Note 3: No dither.
Note 4: Guaranteed by design.
Note 5: For aging characteristics, contact factory.
Typical Operating Characteristics
(T
A
= +25°C, V
CC
= 3.3V, unless otherwise noted.)
AC ELECTRICAL CHARACTERISTICS (continued)
(T
A
= -40°C to +125°C; V
CC
= +3.0V to +3.6V.)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
< 33.3MHz (Note 3) 50
Duty Cycle
33.3MHz (Note 3) 40 60
%
Jitter (RMS), 50MHz 0.3 %
7.4
7.8
7.6
8.4
8.2
8.0
9.0
8.8
8.6
9.2
-40 20-10 50 80 110
I
CC
vs. TEMPERATURE
DS1091L toc01
TEMPERATURE (
°
C)
I
CC
(mA)
V
CC
= 3.6V
V
CC
= 3.3V
V
CC
= 3.0V
-1.75
-0.75
-1.25
0.25
-0.25
1.25
0.75
1.75
-40 20 50-10 80 110
FREQUENCY VARIATION (%)
vs. TEMPERATURE
DS1091L toc02
TEMPERATURE (
°
C)
FREQUENCY VARIATION (%)
V
CC
= 3.3V
NO DITHER
f
OUT
= 130kHz
f
OUT
= 66MHz
-0.25
-0.10
-0.15
-0.20
-0.05
0.00
0.05
0.10
0.15
0.20
0.25
3.0 3.23.1 3.3 3.4 3.5 3.6
FREQUENCY VARIATION (%)
vs. VOLTAGE
DS1091L toc03
V
CC
(V)
FREQUENCY VARIATION (%)
f
OUT
= 66MHz
f
OUT
= 130kHz
NO DITHER
48.0
48.5
49.0
49.5
50.0
50.5
51.0
51.5
52.0
3.0 3.23.1 3.3 3.4 3.5 3.6
DUTY CYCLE vs. V
CC
DS1091L toc04
V
CC
(V)
DUTY CYCLE (%)
f
OUT
= 66MHz
f
OUT
= 130kHz
NO DITHER
40
46
44
42
50
48
58
56
54
52
60
-40 -15 10 35 60 85 110
DUTY CYCLE vs. TEMPERATURE
DS1091L toc05
TEMPERATURE (°C)
DUTY CYCLE (%)
f
OUT
= 66MHz
f
OUT
= 130kHz
NO DITHER
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