參數(shù)資料
型號: DS1086Z
英文描述: DS1086 Spread-Spectrum EconOscillator
中文描述: 擴(kuò)頻EconOscillator
文件頁數(shù): 3/14頁
文件大?。?/td> 229K
代理商: DS1086Z
D
DS1086 Spread-Spectrum EconOscillator
_____________________________________________________________________
3
MASTER OSCILLATOR CHARACTERISTICS
(V
CC
= 5V ±5%, T
A
= 0°C to +70°C.)
PARAMETER
SYMBOL
f
OSC
f
0
CONDITION
MIN
66
TYP
MAX
133
UNITS
MHz
MHz
Master Oscillator Range
Default Master Oscillator Frequency
(Note 2)
97.1
Default frequency (f
0
)
-0.75
+0.75
Master Oscillator Frequency
Tolerance
f
0
V
CC
= 5V,
T
A
= +25
°
C
(Notes 3,17)
DAC step size
-0.75
+0.75
%
Default frequency
DAC step size
Default frequency
133MHz
66MHz
-0.75
-0.75
-0.5
-0.5
-1.0
+0.75
+0.75
+0.5
+0.5
+1.0
Voltage Frequency Variation
f
0
Over voltage range,
T
A
= +25
°
C (Note 4)
%
Temperature Frequency Variation
f
0
Over temperature
range, V
CC
= 5V
(Note 5)
%
Prescaler bit J0 = 1 (Note 6)
Prescaler bit J0 = 0 (Note 6)
2
4
Dither Frequency Range
f
0
%
Integral Nonlinearity of Frequency
DAC
INL
Entire range (Note 7)
-0.4
+0.4
%
DAC Step Size
between two consecutive DAC values
(Note 8)
10
kHz
DAC Span
Frequency range for one offset setting
(see Table 2)
10.24
MHz
DAC Default
Factory default register setting
500
decimal
Offset Step Size
between two consecutive offset values
(see Table 2)
5.12
MHz
Offset Default
OS
Factory default OFFSET register setting
(5 LSBs) (see Table 2)
RANGE
(5 LSBs of
RANGE register)
hex
Dither Rate
f
0
/4096
Hz
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