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參數(shù)資料
| 型號： | ICS728MT |
| 英文描述： | LOW COST 27 MHZ 3.3 VOLT VCXO |
| 中文描述： | 低成本27兆赫壓控電壓為3.3伏 |
| 文件頁數(shù)： | 4/8頁 |
| 文件大小： | 136K |
| 代理商： | ICS728MT |
LOW COST 27 MHZ 3.3 VOLT VCXO
MDS 728 B
4
Revision 012505
Integr ated Circuit System s l 525 Ra ce Stree t , Sa n Jose, CA 951 26 l te l (4 08) 297 -1 201 l
www.ics t.co m
ICS728
capacitance. Contact ICS for details.) If the centering
error is more than 25 ppm positive, add identical fixed
centering capacitors from each crystal pin to ground.
The value for each of these caps (in pF) is given by:
External Capacitor = 2 x (centering error)/(trim
sensitivity)
Trim sensitivity is a parameter which can be supplied by
your crystal vendor. If you do not know the value,
assume it is 30 ppm/pF. After any changes, repeat the
measurement to verify that the remaining error is
acceptably low (typically less than ±25 ppm).
Absolute Maximum Ratings
Stresses above the ratings listed below can cause permanent damage to the ICS728. These ratings, which
are standard values for ICS commercially rated parts, are stress ratings only. Functional operation of the
device at these or any other conditions above those indicated in the operational sections of the
specifications is not implied. Exposure to absolute maximum rating conditions for extended periods can
affect product reliability. Electrical parameters are guaranteed only over the recommended operating
temperature range.
Recommended Operation Conditions
Item
Rating
Supply Voltage, VDD
7 V
All Inputs and Outputs
-0.5 V to VDD+0.5 V
Storage Temperature
-65 to +150
°C
Soldering Temperature
260
°C
Parameter
Min.
Typ.
Max.
Units
Ambient Operating Temperature
0
+70
°C
Power Supply Voltage (measured in respect to GND)
+3.15
+3.45
V
Reference crystal parameters
Refer to page 3
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