DS1086L Dallas Semiconductor, DS1086L Datasheet - Page 3

• Manufacturer Part Number: DS1086L
• Description: Spread-Spectrum EconOscillator
• Manufacturer: Dallas Semiconductor

MASTER OSCILLATOR CHARACTERISTICS
(V
Master Oscillator Frequency
Default Master Oscillator Frequency
Master Oscillator Frequency
Tolerance
Voltage Frequency Variation
Temperature Frequency Variation
Dither Frequency Range (Note 6)
Integral Nonlinearity of Frequency
DAC Step Size
DAC Span
DAC Default
Offset Step Size
Offset Default
Dither Rate
CC
= 2.7V to 3.6V, T
PARAMETER
A
= -40°C to +85°C.)
3.3V Spread-Spectrum EconOscillator
SYMBOL
f
OSC
∆ f
∆ f
∆ f
INL
OS
∆ f
f
f
f
f
f
0
0
0
0
0
_____________________________________________________________________
0
V
T
(Note 2)
Factory-programmed default
V
T
(Notes 3,17)
Over voltage range,
T
Over temperature
range, V
(Note 5)
Prescaler bits JS2, JS1, JS0 = 000
Prescaler bits JS2, JS1, JS0 = 001
Prescaler bits JS2, JS1, JS0 = 010
Prescaler bits JS2, JS1, JS0 = 100
Prescaler bits JS2, JS1, JS0 = 111
Entire range (Note 7)
∆ between two consecutive DAC values
(Note 8)
Frequency range for one offset setting
(Table 2)
Factory default register setting
∆ between two consecutive offset values
(Table 2)
Factory default OFFSET register setting
(5 LSBs) (Table 2)
Prescaler bits JS4, JS3 = 00
Prescaler bits JS4, JS3 = 01
Prescaler bits JS4, JS3 = 10
A
A
CC
= +25°C
= +25°C (Note 4)
= 3.3V,
CC
= 3.3V
CONDITIONS
Default frequency (f
DAC step size
Default frequency
DAC step size
Default frequency
66.6MHz
33.3MHz
0
)
-0.75
-0.75
33.3
MIN
-0.5
-0.5
-2.0
-2.0
-2.5
-0.6
RANGE register)
(5 LSBs of
48.65
TYP
RANGE
5.12
2.56
f
f
f
500
0.5
0
0
0
1
2
4
8
5
/8192
/4096
/2048
+0.75
+0.75
+0.75
+0.75
+0.75
MAX
+0.5
+0.5
+0.3
66.6
decimal
UNITS
MHz
MHz
MHz
MHz
kHz
hex
Hz
%
%
%
%
%
3