IQTCXO-210, -211, -218
ISSUE 4 ; 9 February 2005
Delivery Options
■
Please contact our sales office for current lead times
Description
■
IQTCXO-210, -211, -218 are temperature compensated crystal
oscillators (TCXO’s) providing a high degree of frequency
stability over a wide temperature range.
Waveform
■
5.0V Square HCMOS, 15pF (IQTCXO-210)
■
5.0V Clipped Sine 0.8V pk-pk min, 10kΩ //10pF (IQTCXO-211)
■
3.3V Clipped Sine 0.8V pk-pk min, 10kΩ //10pF (IQTCXO-218)
∅0.6
Outline in mm
18.3±0.3
11.7±0.3
∅3.9±0.2
3.8
Pin Connections
1. N/C
7. GND
8. Output
14. +Vs
4.5
4.8±0.2
3.0
7.62±0.3
0.5
1.0
4.0±0.2
t
r
1
7
8
14
15.24±0.3
Package Outline
■
14 pin DIL compatible enclosure with internal trimmer
Frequency Stability
■
Supply Voltage Variation(±5% change) ±0.2ppm
■
Load variation (±10% change) ±0.2ppm
■
Ageing ±1ppm max per year
Frequency Adjustment
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±3ppm minimum internal trimmer adjustment
Output Waveform - HCMOS
Storage Temperature Range
■
-55 to 125°C
90%Vs
t
f
+Vs
Marking
■
Model Number
■
Frequency Stability Code / Operating Temperature Code
■
Frequency
■
Date Code
Minimum Ordering Information Required
■
Frequency + Model Number + Frequency Stability +
Operating Temperature
10%Vs
1/2Vs
0V
t
T
Duty cycle = t x 100(%)
T
Test Circuit - HCMOS
Test Circuit - Clipped Sine
A
Oscillator
7
14 8
+Vs
Oscillator
7
14 8
A
+Vs
V
0.1µF
15pF* Oscilloscope
V
0.1µF
10pF*
10kΩ
Oscilloscope
Frequency counter
*Inclusive of jigging & equipment capacitance
Frequency counter
*Inclusive
of jigging & equipment capacitance
Electrical Specifications - maximum limiting values when measured in test circuit
Frequency Range
Supply Voltage
Supply Current
1.25MHz
< Fo<10MHz 10mA
1.25 to 36.0MHz
5V±0.25V
10MHz < Fo<15MHz 15mA
15MHz < Fo<26MHz 20mA
26MHz < Fo<36MHz 25mA
Clipped Sine
10.0 to 36.0MHz
5V±0.25V
3mA
Wave
0.8Vp-p min
-
IQTCXO-211
Square
CMOS
40/60%
IQTCXO-210
Output
Waveform
Output
Duty Cycle
Model Number
Clipped Sine
10.0 to 36.0MHz
3.3V±0.15V
3mA
Wave
0.8p-p min
-
IQTCXO-218
Frequency Stabilities Over Operating Temperature Ranges
Operating
Temperature Range
±1.0ppm
0 to 50°C
-10 to 60°C
-20 to 70°C
-30 to 75°C
-40 to 85°C
Ordering Example
Frequency
Model No.
Frequency Stability Vs Operating Temperature Code
10.0MHz
IQTCXO-210
HR
Code FP
Code FR
Frequency Stabilities Vs Operating Temperature Range
±2.0ppm
Code GP
Code GR
Code GS
Code GU
±2.5ppm
Code HP
Code HR
Code HS
Code HU
Code HX
±3.0ppm
Code JP
Code JR
Code JS
Code JU
Code JX
±5.0ppm
Code KP
Code KR
Code KS
Code KU
Code KX