LMX2487SQX/NOPB

Product Overview

Category

The LMX2487SQX/NOPB belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used in electronic devices for frequency synthesis and clock generation.

Characteristics

• High-performance frequency synthesizer
• Low phase noise and spurious levels
• Wide frequency range
• Programmable output power levels
• Flexible input/output options

Package

The LMX2487SQX/NOPB is available in a small outline package (SOIC) with 16 pins.

Essence

The essence of this product lies in its ability to generate stable and accurate frequencies for various applications.

Packaging/Quantity

The LMX2487SQX/NOPB is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Frequency range: 10 MHz to 6 GHz
• Output power range: -4 dBm to +5 dBm
• Supply voltage: 3.3 V
• Operating temperature range: -40°C to +85°C
• Phase noise: -120 dBc/Hz at 1 MHz offset
• Spurious levels: -70 dBc

Detailed Pin Configuration

1. VCC: Power supply voltage
2. GND: Ground
3. RFOUT: RF output signal
4. VCOIN: Voltage-controlled oscillator input
5. VCOOUT: Voltage-controlled oscillator output
6. XTALN: Crystal oscillator negative terminal
7. XTALP: Crystal oscillator positive terminal
8. NC: No connection
9. CLKIN: Clock input
10. CLKOUT: Clock output
11. LE: Load enable
12. DATA: Serial data input
13. CLK: Serial clock input
14. SDATA: Serial data output
15. SCLK: Serial clock output
16. NC: No connection

Functional Features

• Frequency synthesis with high accuracy and stability
• Programmable frequency divider and multiplier
• Integrated voltage-controlled oscillator (VCO)
• Serial interface for easy configuration
• Low power consumption
• Fast lock time

Advantages and Disadvantages

Advantages

• Wide frequency range allows for versatile applications
• Low phase noise and spurious levels ensure high-quality signal generation
• Flexible input/output options enhance compatibility with different systems
• Compact package size enables space-saving designs

Disadvantages

• Requires external crystal oscillator for accurate frequency synthesis
• Limited output power range may not be suitable for high-power applications

Working Principles

The LMX2487SQX/NOPB utilizes a phase-locked loop (PLL) architecture to generate stable frequencies. It consists of a voltage-controlled oscillator (VCO), frequency dividers, and a phase detector. The PLL locks the VCO frequency to a reference input, resulting in an output frequency that is a multiple or fraction of the reference frequency. The device can be programmed through a serial interface to achieve the desired frequency and other parameters.

Detailed Application Field Plans

The LMX2487SQX/NOPB finds applications in various fields, including:

1. Wireless communication systems
2. Radar systems
3. Satellite communication
4. Test and measurement equipment
5. Frequency synthesizers
6. Clock generators
7. Radio transceivers
8. Signal generators

Detailed and Complete Alternative Models

1. LMX2492SQX/NOPB
2. LMX2592SQX/NOPB
3. LMX2692SQX/NOPB
4. LMX2792SQX/NOPB
5. LMX2892SQX/NOPB

These alternative models offer similar functionality and performance, providing options for different design requirements.

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