Overview
The LMX2485SQ/NOPB is a high-performance, low-power, delta-sigma fractional-N phase-locked loop (PLL) synthesizer from Texas Instruments. Designed for precision frequency synthesis, this product is ideal for applications requiring low phase noise and high frequency resolution. Its market positioning targets advanced communication systems, test and measurement equipment, and radar systems. The LMX2485SQ/NOPB stands out for its exceptional phase noise performance, low power consumption, and flexible programming interface, making it a competitive choice for engineers designing high-frequency systems.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Frequency Range | 50 to 5500 | MHz | Wide tuning range |
| Phase Noise | -226 | dBc/Hz | @ 1 MHz offset |
| Supply Voltage | 3.3 | V | Low power operation |
| Power Consumption | 40 | mW | Typical value |
| Package | WQFN-24 | - | Compact form factor |
| Operating Temperature | -40 to 85 | °C | Industrial-grade |
Key Features
- Low phase noise for high-performance frequency synthesis.
- Delta-sigma fractional-N architecture for precise frequency control.
- Low power consumption, ideal for portable and battery-powered devices.
- Flexible programming interface for easy integration into various systems.
- Wide frequency range supports diverse applications.
Applications
The LMX2485SQ/NOPB is widely used in advanced communication systems, including wireless infrastructure and satellite communications, where low phase noise and high frequency resolution are critical. It is also employed in test and measurement equipment for signal generation and analysis. Additionally, its robust performance makes it suitable for radar systems and other high-frequency applications requiring precise frequency control.
Q & A
1. What is the frequency range of the LMX2485SQ/NOPB?
The frequency range is 50 MHz to 5500 MHz.
2. What is the phase noise performance?
The phase noise is -226 dBc/Hz at a 1 MHz offset.
3. What is the supply voltage requirement?
The supply voltage is 3.3 V.
4. How much power does it consume?
It consumes approximately 40 mW of power.
5. What package does it come in?
It is available in a WQFN-24 package.
6. What is the operating temperature range?
The operating temperature range is -40°C to 85°C.
7. Is it suitable for portable devices?
Yes, its low power consumption makes it ideal for portable and battery-powered devices.
8. Can it be used in wireless infrastructure?
Yes, it is widely used in wireless infrastructure due to its low phase noise and high frequency resolution.
9. Does it support flexible programming?
Yes, it features a flexible programming interface for easy integration.
10. What are its key applications?
Key applications include communication systems, test and measurement equipment, and radar systems.
