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LFTVXO085765

LFTVXO085765

IQD Frequency Products
20 MHz VCTCXO HCMOS Oscillator 3.3V Amplitude Control 4-SMD, No Lead
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Overview

The LFTVXO085765 is a high-precision 20.0MHz Voltage Controlled Temperature Compensated Crystal Oscillator (VCTCXO) from IQD Frequency Products. It operates on a 3.3V supply and provides an HCMOS output with a frequency stability of +/-280ppb across an extended temperature range of -40 to 105 degrees Celsius. This 4-SMD component is designed for applications requiring tight frequency control and stability in demanding environments.

Why Choose This Part

This VCTCXO offers exceptional frequency stability of +/-280ppb, ensuring reliable performance in variable thermal environments up to 105 degrees Celsius. The voltage control functionality allows for fine frequency tuning to compensate for long-term aging or to synchronize with external references. Its standard 7.00mm x 5.00mm footprint simplifies integration into existing PCB layouts for high-reliability communications equipment.

Applications

Base Station Synchronizers
Provides a stable reference clock for wireless infrastructure and small cells requiring high frequency accuracy.
GNSS Receivers
Used as a reference oscillator for GPS/GNSS modules to improve time-to-first-fix and signal acquisition sensitivity.
Industrial Networking
Reliable clocking for Synchronous Ethernet (SyncE) and IEEE 1588 timing protocols in industrial automation.
Microwave Backhaul
Acts as a stable local oscillator for point-to-point microwave communication links.

Key Specifications

Type VCTCXO
Output HCMOS
Function Amplitude Control
Frequency 20 MHz
Mounting Type Surface Mount
Base Resonator Crystal
Package / Case 4-SMD, No Lead
Size / Dimension 0.276" L x 0.197" W (7.00mm x 5.00mm)
Voltage - Supply 3.3V
Frequency Stability +/-280ppb
Height - Seated (Max) 0.094" (2.40mm)
Operating Temperature -40degC ~ 105degC
Current - Supply (Max) 10mA
Absolute Pull Range (APR) +/-8ppm

Getting Started

Ensure the 3.3V supply is well-decoupled with a 0.1uF ceramic capacitor placed as close as possible to the Vcc pin to minimize phase noise. Use a high-impedance probe for frequency verification to avoid loading the HCMOS output. For frequency tuning, apply the control voltage to pin 1 within the specified range to adjust the output frequency to your system reference.

Categories

Clocks & Timing > Crystal Oscillators Industrial & Automation > Industrial Communication