DS1086 Datasheet, PDF (3/14 Pages) Dallas Semiconductor – DS1086 Spread-Spectrum EconOscillator

DS1086 Spread-Spectrum EconOscillator
MASTER OSCILLATOR CHARACTERISTICS
(V_CC = 5V ±5%, T_A = 0°C to +70°C.)
PARAMETER
SYMBOL
Master Oscillator Range
f_OSC (Note 2)
Default Master Oscillator Frequency
f₀
CONDITION
Master Oscillator Frequency
Tolerance
∆f₀
f₀
V_CC = 5V,
T_A = +25°C
(Notes 3,17)
Default frequency(f₀)
DAC step size
Voltage Frequency Variation
Temperature Frequency Variation
Dither Frequency Range
∆f_V Over voltage range, ^{Default frequency}
f₀ T_A = +25°C (Note 4) _{DAC step size}
∆f_T
f₀
Over temperature
range, V_CC = 5V
(Note 5)
Default frequency
133MHz
66MHz
∆f ^{Prescaler bit J0 = 1 (Note 6)}
f_{0 Prescaler bit J0 = 0 (Note 6)}
Integral Nonlinearity of Frequency
DAC
INL Entire range (Note 7)
DAC Step Size
∆ between two consecutive DAC values
(Note 8)
MIN
66
-0.75
-0.75
-0.75
-0.75
-0.5
-0.5
-1.0
-0.4
TYP MAX UNITS
133 MHz
97.1
MHz
+0.75
%
+0.75
+0.75
%
+0.75
+0.5
+0.5
%
+1.0
2
%
4
+0.4
%
10
kHz
DAC Span
DAC Default
Offset Step Size
Frequency range for one offset setting
(see Table 2)
Factory default register setting
∆ between two consecutive offset values
(see Table 2)
10.24
500
5.12
MHz
decimal
MHz
Offset Default
OS
Factory default OFFSET register setting
(5 LSBs) (see Table 2)
RANGE
(5 LSBs of
hex
RANGE register)
Dither Rate
f₀/4096
Hz
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