LMX2541SQX3740E/NOPB

Product Overview

Category

The LMX2541SQX3740E/NOPB belongs to the category of integrated circuits (ICs) specifically designed for frequency synthesis and clock generation applications.

Use

This product is commonly used in various electronic devices that require precise timing and frequency control, such as communication systems, radar systems, test equipment, and wireless infrastructure.

Characteristics

• Frequency Synthesizer: The LMX2541SQX3740E/NOPB is a highly versatile frequency synthesizer capable of generating stable and accurate output frequencies.
• Low Phase Noise: It offers low phase noise performance, ensuring high-quality signal generation.
• Wide Frequency Range: This IC supports a wide frequency range, making it suitable for diverse applications.
• Programmable Features: The LMX2541SQX3740E/NOPB provides programmable features, allowing users to customize its operation according to their specific requirements.

Package

The LMX2541SQX3740E/NOPB is available in a small form factor package, typically a 24-pin quad flat no-lead (QFN) package. This compact package ensures ease of integration into various circuit designs.

Essence

The essence of the LMX2541SQX3740E/NOPB lies in its ability to generate precise and stable frequencies, enabling reliable operation of electronic systems that depend on accurate timing and synchronization.

Packaging/Quantity

The LMX2541SQX3740E/NOPB is usually supplied in tape and reel packaging, with a standard quantity of 250 units per reel.

Specifications

• Frequency Range: 10 MHz to 4 GHz
• Output Power: Adjustable from -4 dBm to +5 dBm
• Phase Noise: -120 dBc/Hz at 1 MHz offset
• Supply Voltage: 3.3 V
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The LMX2541SQX3740E/NOPB features a 24-pin QFN package with the following pin configuration:

1. VDDA: Analog power supply
2. GND: Ground
3. VDDC: Core power supply
4. NC: No connection
5. CLKOUT: Output clock signal
6. VCOIN: VCO input
7. VCOOUT: VCO output
8. GND: Ground
9. XTALN: Crystal oscillator input
10. XTALP: Crystal oscillator input
11. GND: Ground
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. GND: Ground
23. NC: No connection
24. VDDC: Core power supply

Functional Features

• Frequency Synthesis: The LMX2541SQX3740E/NOPB utilizes a phase-locked loop (PLL) architecture to generate precise frequencies.
• Programmability: It offers various programmable features, including frequency selection, output power control, and modulation options.
• Fast Lock Time: This IC achieves fast lock times, enabling quick frequency switching and synchronization.
• Low Power Consumption: The LMX2541SQX3740E/NOPB is designed to minimize power consumption, making it suitable for battery-powered applications.

Advantages and Disadvantages

Advantages

• High-frequency accuracy and stability
• Low phase noise performance
• Wide frequency range
• Programmable features for customization
• Compact package for easy integration

Disadvantages

• Limited output power range
• Requires external crystal oscillator for operation

Working Principles

The LMX2541SQX3740E/NOPB operates based on the principle of phase-locked loop (PLL) frequency synthesis. It uses a reference frequency and a voltage-controlled oscillator (VCO) to generate an output frequency that is locked to the reference signal. The PLL continuously adjusts the VCO's control voltage to maintain precise frequency synchronization.

Detailed Application Field Plans

The LMX2541SQX3740E/NOPB finds applications in various fields, including:

1. Communication Systems: Used for frequency generation in wireless communication systems, ensuring accurate timing and synchronization.
2. Radar Systems: Provides stable and precise frequencies for radar systems, enabling accurate target detection and tracking.
3. Test Equipment: Utilized in test and measurement equipment for generating precise clock signals and reference frequencies.
4. Wireless Infrastructure: Enables frequency synthesis in wireless infrastructure devices, ensuring reliable communication and network synchronization.

Detailed and Complete Alternative Models

1. LMX