IQTCQO-251HU

IQTCXO-250, -251, -252 ISSUE 7; 14 OCTOBER 2004 Delivery Options I Outline in mm 18.5±0.3 12.0±0.3 Pin Connections 1. N/C 7. GND 8. Output 14. +Vs 1.0±0.2 4.0±0.2 7.62±0.3 tf tr +Vs 1/2Vs 0V t T Duty cycle = t x 100(%) T +Vs 15pF* Oscilloscope Frequency counter *Inclusive of jigging & equipment capacitance Please contact our sales office for current leadtimes ∅3.8 Description I Waveform I Clipped Sine 1V pk - pk min Square HCMOS Clipped Sine 0.7V pk - pk min 4.0±0.2 ∅0.5 I I Package Outline I 14 pin DIL compatible enclosure with internal trimmer 1 14 7 8 Ageing I ±1ppm typical first year 15.24±0.3 Frequency Adjustment I ±3ppm minimum internal trimmer adjustment Output Waveform - HCMOS Storage Temperature Range I –40 to 85°C 90%Vs Marking I Model number Frequency Stability Code/Operating Temperature Code Frequency Date Code (Year/Week) 10%Vs I LEADED TCXOs I I Minimum Order Information Required I Frequency + Model Number + Frequency Stability + Operating Temperature Test Circuit - HCMOS A Oscillator 7 14 8 V 0.1 µF 72 4.0 min 5.0 max IQTCXO-250, -251, -252 are temperature compensated crystal oscillators (TCXOs), providing a high degree of frequency stability over a wide temperature range. 6.55 Electrical Specifications - maximum limiting values when measured in test circuit Frequency Range 3.20 to 40.0MHz 3.20 to 40.0MHz 3.20 to 40.0MHz Supply Voltage 5V±0.25V 5V±0.25V 3V±0.15V Supply Current Output Waveform 5mA 20mA 3mA Clipped Sine Square Clipped Sine Output 1Vpk-pk min HCMOS 0.7Vpk-pk min Duty Cycle — 40/60% — Model Number IQTCXO-250 IQTCXO-251 IQTCXO-252 Frequency Stabilities Available Over Operating Temperature Ranges Operating Frequency Range 0 to 50°C -10 to 60°C -20 to 70°C -30 to 75°C -40 to 85°C Ordering Example Frequency Model number Frequency Stability Vs Operating Temperature Code Frequency Stabilities Vs Operating Temperature Range ±1.5ppm Code CP — — — — ±2.0ppm Code GP Code GR — — — 24.0MHz ±2.5ppm Code HP Code HR Code HS Code HU — IQTCXO-250 HR ±5.0ppm Code KP Code KR Code KS Code KU Code KX Test Circuit - Clipped Sine A Oscillator 14 0.1 µF 7 8 10pF * LEADED TCXOs +Vs V 10k Oscilloscope Frequency counter *Inclusive of jigging & equipment capacitance 73