Product parameters
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PARAMETER |
SUPPLY VOLTAGE |
REMARKS |
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2.5V |
3.3V |
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Frequency range |
15 ~ 2100MHz |
-- |
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Frequency stability |
±25ppm / ±50ppm |
See note below |
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Operating temperature range |
-10 to +60°C / -20 to +70°C / -40 to +85°C |
Options available |
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Aging first year |
±3.0ppm |
@+25°C |
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Frequency pulling range |
±50ppm ~ ±150ppm |
Depending on frequency |
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Supply current |
110mA |
120mA |
@ Load |
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Output waveform and load |
LVPECL 50Ω |
into VDD–2V |
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Output voltage level HIGH |
VCC–1.025V / |
VCC–0.880V |
Minimum / Maximum |
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Output voltage level LOW |
VCC–1.810V / |
VCC–1.620V |
Minimum / Maximum |
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Rise and Fall times |
<1ns |
<1ns |
@10~90% of Vcc |
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Symmetry (duty cycle) |
45~55% |
@ 50%Vcc |
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Phase jitter RMS |
0.15ps TYP |
12kHz≤Fj≤20MHz |
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Phase noise |
@ 1kHz |
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@ 10kHz |
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@ 100kHz |
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Note: Stability includes frequency deviations at +25°C, over temperature range, due to supply voltage changes, output load changes, shock and vibration. |
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Product Features
■ Small dimensions 2.5x2.0x1.0 with 6 solder pads
■ Tight stabilities over temperature range
■ Tristate enable/ disable function (pad 2)
■ RoHS compliant, LEAD-FREE, HALOGEN-FREE and REACH compliant
Applications
- The LVPECL output VCXO Oscillator 2520 series is widely used in products such as WLAN, Cable modem, DSL, HDTV.
Product advantages
Superior Temperature Stability
The 2520 VCXO oscillator with LVPECL output has become a core clock source in fields such as communications, data centers and industrial control, thanks to its high-speed interface compatibility, low jitter, wide temperature stability and small size.
Technical characteristics
Its technical characteristics not only meet the requirements of current emerging technologies such as 5G and AI, but also reserve room for expansion in future scenarios like 6G and autonomous driving.
certificate
The LVPECL output VCXO Oscillator 2520 series is RoHS/REACH compliant, lead-free, and halogen-free.
FAQ
Q1: What precautions should be taken when soldering the LVPECL output VCXO Oscillator 2520?
A: During soldering, ensure the reflow temperature does not exceed the maximum limit specified in the datasheet (typically 260°C for peak temperature, with a duration of 10 seconds or less). Avoid direct contact with the oscillator body using soldering irons to prevent thermal damage. Also, maintain proper solder paste volume to prevent solder bridging, which could cause short circuits.
Q2: How to handle the PCB layout for this oscillator to minimize EMI?
A: Keep the oscillator close to the clock input of the target IC to shorten signal traces. Use a ground plane beneath the oscillator and its output traces for shielding. Separate the oscillator's power supply from noisy digital circuits with a ferrite bead or low-pass filter. Additionally, route the differential LVPECL traces as a matched-length pair with consistent impedance (typically 50Ω or 75Ω) to reduce signal reflection.
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