DS1086L(2003) Просмотр технического описания (PDF) - Maxim Integrated
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DS1086L Datasheet PDF : 16 Pages
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3.3V Spread-Spectrum EconOscillator
MASTER OSCILLATOR CHARACTERISTICS
(VCC = 2.7V to 3.6V, TA = -40°C to +85°C.)
PARAMETER
SYMBOL
CONDITIONS
Master Oscillator Frequency
Default Master Oscillator Frequency
fOSC
f0
(Note 2)
Factory-programmed default
Master Oscillator Frequency
Tolerance
∆f0
f0
VCC = 3.3V,
TA = +25°C
(Notes 3,17)
Default frequency(f0)
DAC step size
Voltage Frequency Variation
Temperature Frequency Variation
Dither Frequency Range (Note 6)
Integral Nonlinearity of Frequency
DAC Step Size
∆fV Over voltage range, Default frequency
f0
TA = +25°C (Note 4) DAC step size
∆fT
f0
Over temperature
range, VCC = 3.3V
(Note 5)
Default frequency
66.6MHz
33.3MHz
Prescaler bits JS2, JS1, JS0 = 000
Prescaler bits JS2, JS1, JS0 = 001
∆f
Prescaler bits JS2, JS1, JS0 = 010
f0
Prescaler bits JS2, JS1, JS0 = 100
Prescaler bits JS2, JS1, JS0 = 111
INL Entire range (Note 7)
∆ between two consecutive DAC values
(Note 8)
DAC Span
Frequency range for one offset setting
(Table 2)
DAC Default
Offset Step Size
Factory default register setting
∆ between two consecutive offset values
(Table 2)
Offset Default
Factory default OFFSET register setting
OS (5 LSBs) (Table 2)
Dither Rate
Prescaler bits JS4, JS3 = 00
Prescaler bits JS4, JS3 = 01
Prescaler bits JS4, JS3 = 10
MIN
33.3
-0.5
-0.5
-0.75
-0.75
-2.0
-2.0
-2.5
-0.6
TYP
48.65
0.5
1
2
4
8
MAX
66.6
+0.5
+0.5
+0.75
+0.75
+0.75
+0.75
+0.75
UNITS
MHz
MHz
%
%
%
%
+0.3
%
5
kHz
5.12
500
2.56
RANGE
(5 LSBs of
RANGE register)
f0/8192
f0/4096
f0/2048
MHz
decimal
MHz
hex
Hz
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