LMX2572LPRHAR

Product Overview

Category

The LMX2572LPRHAR belongs to the category of integrated circuits (ICs) and specifically falls under the category of frequency synthesizers.

Use

This product is primarily used in applications that require precise frequency synthesis, such as wireless communication systems, radar systems, and test equipment.

Characteristics

• The LMX2572LPRHAR is a high-performance frequency synthesizer with a wide frequency range.
• It offers excellent phase noise performance, making it suitable for applications that demand high signal quality.
• This IC provides low power consumption, enabling energy-efficient operation.
• It supports both fractional-N and integer-N frequency synthesis techniques, offering flexibility in various applications.

Package

The LMX2572LPRHAR is available in a compact 32-pin QFN package, which ensures easy integration into electronic systems.

Essence

The essence of the LMX2572LPRHAR lies in its ability to generate accurate and stable frequencies, allowing for reliable communication and precise measurements in various applications.

Packaging/Quantity

This product is typically supplied in tape and reel packaging, with a quantity of 250 units per reel.

Specifications

• Frequency Range: 10 MHz to 6 GHz
• Supply Voltage: 3.3 V
• Phase Noise: -120 dBc/Hz at 1 MHz offset
• Output Power: Up to +5 dBm
• Spurious Suppression: > 60 dBc
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The LMX2572LPRHAR features a total of 32 pins, each serving a specific function. Here is a detailed pin configuration:

1. VCC: Power supply voltage input
2. GND: Ground reference
3. RFout: RF output signal
4. VCOin: Voltage-controlled oscillator input
5. CE: Chip enable control input
6. LD: Lock detect output
7. CLKin: Reference clock input
8. RFin: RF input signal
9. GND: Ground reference
10. NC: No connection
11. NC: No connection
12. NC: No connection
13. NC: No connection
14. NC: No connection
15. NC: No connection
16. NC: No connection
17. NC: No connection
18. NC: No connection
19. NC: No connection
20. NC: No connection
21. NC: No connection
22. NC: No connection
23. NC: No connection
24. NC: No connection
25. NC: No connection
26. NC: No connection
27. NC: No connection
28. NC: No connection
29. NC: No connection
30. NC: No connection
31. NC: No connection
32. NC: No connection

Functional Features

• Fractional-N and integer-N frequency synthesis modes for flexible frequency generation.
• Programmable output power level to meet different system requirements.
• Integrated phase-locked loop (PLL) for precise frequency control.
• Lock detect output for monitoring the stability of the generated frequency.
• Low power consumption for energy-efficient operation.

Advantages and Disadvantages

Advantages

• Wide frequency range allows for versatile applications.
• Excellent phase noise performance ensures high signal quality.
• Compact package enables easy integration into electronic systems.
• Supports both fractional-N and integer-N frequency synthesis techniques, offering flexibility.

Disadvantages

• Limited availability of alternative models with similar specifications.
• Relatively higher cost compared to some other frequency synthesizers in the market.

Working Principles

The LMX2572LPRHAR operates based on the principles of phase-locked loop (PLL) frequency synthesis. It takes an input reference clock and generates a stable output frequency by dividing and multiplying the input signal using a programmable divider and a voltage-controlled oscillator (VCO). The PLL continuously adjusts the VCO control voltage to maintain phase and frequency lock, ensuring accurate and stable frequency generation.

Detailed Application Field Plans

The LMX2572LPRHAR finds applications in various fields, including:

1. Wireless Communication Systems: Used for frequency synthesis in cellular base stations, wireless routers, and satellite communication systems.
2. Radar Systems: Enables precise frequency generation in radar transceivers for target detection and tracking.
3. Test Equipment: Utilized in spectrum analyzers, signal generators, and other test instruments that require accurate frequency synthesis.
4. Satellite Navigation Systems: Provides stable frequencies for GPS receivers and other satellite navigation devices.

Detailed and Complete Alternative Models

While the LMX2572LPRHAR offers unique features and specifications, there are alternative models available in the market that can be considered as alternatives. Some notable alternatives include:

1. LMX2595