參數(shù)資料
型號: DS1090U-2+T
廠商: Maxim Integrated Products
文件頁數(shù): 3/8頁
文件大?。?/td> 0K
描述: IC ECONOSCILLATOR SS 8-USOP
其它有關文件: Automotive Product Guide
產品培訓模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標準包裝: 3,000
系列: EconOscillator™
類型: 時鐘發(fā)生器
PLL:
輸入: 時鐘
輸出: CMOS,TTL
電路數(shù): 1
比率 - 輸入:輸出: 1:1
差分 - 輸入:輸出: 無/無
頻率 - 最大: 4MHz
除法器/乘法器: 是/無
電源電壓: 3 V ~ 5.5 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 8-TSSOP,8-MSOP(0.118",3.00mm 寬)
供應商設備封裝: 8-uMAX
包裝: 帶卷 (TR)
DS1090
Low-Frequency, Spread-Spectrum
EconOscillator
_____________________________________________________________________
3
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Internal Master Oscillator
Frequency
fMOSC
4.0
8.0
MHz
Output Frequency Tolerance
fOUT
VCC = 3.3V,
TA = +25°C
-3.0
+3.0
%
TA = +25°C, RSET = 60k ,
VCC = 3.0V to 3.6V (Notes 2, 3)
-0.5
+0.5
Voltage Frequency Variation
fOUT
TA = +25°C, RSET = 60k ,
VCC = 4.5V to 5.5V (Notes 2, 3)
-1.25
+1.25
%
Temperature Frequency Variation
fOUT
VCC = 3.3V
(Notes 2, 3, 4)
-2.0
+2.0
%
J0 = GND, J1 = GND
0
J0 = VCC, J1 = GND
2
J0 = GND, J1 = VCC
4
Peak-to-Peak Dither (3 )
(Note 5)
J0 = VCC, J1 = VCC
8
%
Power-Up Time
tPOR +
tSTAB
(Note 6)
0.1
0.5
ms
Load Capacitance
CL
(Note 7)
30
pF
4MHz to 8MHz, TA = +25°C (Note 3)
45
55
Output Duty Cycle
<4MHz (Note 4)
50
%
Output Rise/Fall Time
tR, tF
CL = 15pF
20
ns
AC ELECTRICAL CHARACTERISTICS
(VCC = +3.0V to +5.5V, TA = -40°C to +85°C, unless otherwise noted.)
Note 1:
All voltages referenced to ground.
Note 2:
This is the change observed in output frequency due to changes in temperature or voltage.
Note 3:
See the Typical Operating Characteristics section.
Note 4:
Parameter is guaranteed by design and is not production tested.
Note 5:
This is a percentage of the output period. Parameter is characterized but not production tested. This can be varied from
0% to 8%.
Note 6:
This indicates the time between power-up and the outputs becoming active. An on-chip delay is intentionally introduced to
allow the oscillator to stabilize. tSTAB is equivalent to ~500 clock cycles and is dependent upon the programmed
output frequency.
Note 7:
Output voltage swings can be impaired at high frequencies combined with high output loading.
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