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参数资料
| 型号： | ICS728M |
| 厂商： | INTEGRATED DEVICE TECHNOLOGY INC |
| 元件分类： | 时钟产生/分配 |
| 英文描述： | 27 MHz, OTHER CLOCK GENERATOR, PDSO8 |
| 封装： | 0.150 INCH, SOIC-8 |
| 文件页数： | 4/9页 |
| 文件大小： | 187K |
| 代理商： | ICS728M |
ICS728
LOW COST 27 MHZ 3.3 VOLT VCXO
VCXO
IDT / ICS LOW COST 27 MHZ 3.3 VOLT VCXO
4
ICS728
REV B 012505
capacitance. (Alternately, the crystal may be re-specified to
a higher load 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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