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Rakon XO QEN79

Rakon XO QEN79

Product catalog summary

Product Description
This Crystal Oscillator (XO) utilizes Hybrid Technology in an SMD package, offering overall frequency stability of +/-50 to +/-100 ppm and an ageing rate of +/-5 ppm per year. It is designed for rugged environments such as high-speed trains and avionics.

Features

Hybrid product with die and wire bonding on a ceramic substrate.
SMD package with 4 J-lead, dimensions 14 x 9 x 3.37mm.
Frequency range: 1.5MHz to 100MHz.
Temperature range: -40°C to +85°C, extendable to -55°C to +125°C.
Output waveform: square, with tristate output.
Supply voltage options: +3.3V or +5V.
Optional features: 50/50 duty cycle, tinned pins, Screening B.

Applications
Suitable for embedded applications requiring extended temperature ranges and rugged environments.

Specifications
1. Environmental Conditions

Operating temperature: -40°C to +85°C or -55°C to +125°C.
Switch-on and non-operating temperature: -55°C to +125°C.
Vibration and shock resistance as per MIL-STD-202 standards.

2. Electrical Interface

Supply voltage: 3.13V to 3.465V (option BH) or 4.5V to 5.5V (option AH).
Load impedance: 13 to 18 pF.

3. Performance

Nominal frequency: 1.5MHz to 100MHz.
Steady state input current: 20 mA.
Global frequency stability: +/-50 ppm to +/-100 ppm over 15 years.
Initial frequency accuracy: +/-15 ppm.
Frequency variation due to supply voltage and load: +/-3 ppm and +/-5 ppm respectively.
Start-up time: 10 ms.
Output waveform: AHCMOS compatible square wave.
Duty cycle: 40% to 60%, option R: 45% to 55%.

4. Mechanical Features
Weight: 2 grams.

5. Pin Description

Pin 1: Vcc (NC or Enable/disable or tristate).
Pin 2: GND (Electrical & mechanical ground).
Pin 3: Fout (Output Frequency).
Pin 4: Vcc (Power supply).

6. Suggested Reflow Profile
Reflow soldering allowed up to two times.

7. Ordering Part Number Definition
Part numbers are defined by series, supply voltage, temperature range, frequency, and additional options such as duty cycle, frequency drift, screening, and pin tinning.

Rakon XO QEN79

Rakon XO QEN79

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