IQTCQO-250HS中文资料
L E A D E D T C X O s
72
Output Waveform - HCMOS
IQTCXO-250, -251, -252
ISSUE 7; 14 OCTOBER 2004Delivery Options
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Please contact our sales office for current leadtimes
Description
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IQTCXO-250, -251, -252 are temperature compensated crystal oscillators (TCXOs), providing a high degree of frequency stability over a wide temperature range.
Waveform
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Clipped Sine 1V pk - pk min I
Square HCMOS
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Clipped Sine 0.7V pk - pk min
Package Outline
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14 pin DIL compatible enclosure with internal trimmer
Ageing
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±1ppm typical first year
Frequency Adjustment
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±3ppm minimum internal trimmer adjustment
Storage Temperature Range
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–40 to 85°C
Marking
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Model number
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Frequency Stability Code/Operating Temperature Code I
Frequency
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Date Code (Year/Week)
Minimum Order Information Required
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Frequency + Model Number + Frequency Stability + Operating Temperature
Outline in mm
t
90%Vs
10%Vs
0V
tr
tf
T
+Vs Duty cycle = t x 100(%)
T
1/2Vs Test Circuit - HCMOS
*Inclusive of jigging & equipment capacitance
L E A D E D T C X O s
73
Test Circuit - Clipped Sine
*Inclusive of jigging & equipment capacitance
Electrical Specifications - maximum limiting values when measured in test circuit Frequency Range Supply Voltage
Supply Current Output Waveform
Output Duty Cycle
Model Number 3.20 to 40.0MHz 5V±0.25V 5mA Clipped Sine 1Vpk-pk min —IQTCXO-2503.20 to 40.0MHz 5V±0.25V 20mA Square HCMOS 40/60%IQTCXO-2513.20 to 40.0MHz
3V±0.15V
3mA
Clipped Sine
0.7Vpk-pk min
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IQTCXO-252
Ordering Example 24.0MHz
IQTCXO-250HR
Frequency Model number
Frequency Stability Vs Operating Temperature Code
Frequency Stabilities Available Over Operating Temperature Ranges Operating Frequency Stabilities Vs Operating Temperature Range
Frequency Range
±1.5ppm ±2.0ppm ±2.5ppm ±5.0ppm 0 to 50°C Code CP Code GP Code HP Code KP -10 to 60°C —Code GR Code HR Code KR -20 to 70°C ——Code HS Code KS -30 to 75°C ——Code HU Code KU -40 to 85°C —
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Code KX