LMX2354TMX/NOPB

Product Overview

Category: Integrated Circuit (IC)

Use: Frequency Synthesizer

Characteristics: - High-performance frequency synthesizer - Wide frequency range - Low phase noise - Low power consumption

Package: 24-pin Thin Shrink Small Outline Package (TSSOP)

Essence: The LMX2354TMX/NOPB is a highly versatile frequency synthesizer IC that offers excellent performance and flexibility in various applications.

Packaging/Quantity: Available in reels of 2500 units

Specifications

The LMX2354TMX/NOPB features the following specifications:

• Frequency Range: 10 MHz to 6 GHz
• Phase Noise: -110 dBc/Hz at 1 MHz offset
• Supply Voltage: 2.7 V to 3.3 V
• Current Consumption: 20 mA
• Output Power: +5 dBm
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The LMX2354TMX/NOPB has a 24-pin TSSOP package with the following pin configuration:

1. RFOUT
2. GND
3. VCC
4. CE
5. LE
6. CLKIN
7. DATA
8. CLKOUT
9. VCOIN
10. VCOOUT
11. CP
12. GND
13. GND
14. GND
15. GND
16. GND
17. GND
18. GND
19. GND
20. GND
21. GND
22. GND
23. GND
24. GND

Functional Features

The LMX2354TMX/NOPB offers the following functional features:

• Fractional-N frequency synthesis
• Programmable output frequency
• Fast lock time
• Low spurious levels
• Integrated voltage-controlled oscillator (VCO)
• Serial interface for easy configuration

Advantages and Disadvantages

Advantages: - Wide frequency range allows for versatile applications - Low phase noise ensures high signal quality - Low power consumption for energy-efficient operation - Fast lock time enables quick frequency switching

Disadvantages: - Limited output power (+5 dBm) may not be suitable for high-power applications - Requires external components for proper operation

Working Principles

The LMX2354TMX/NOPB utilizes fractional-N frequency synthesis to generate precise and stable output frequencies. It incorporates a voltage-controlled oscillator (VCO) that can be controlled through the serial interface. The IC also features a phase-locked loop (PLL) that ensures accurate frequency synthesis.

Detailed Application Field Plans

The LMX2354TMX/NOPB finds applications in various fields, including:

1. Wireless Communication Systems
2. Satellite Communication
3. Radar Systems
4. Test and Measurement Equipment
5. Frequency Modulation (FM) Radio
6. Cellular Base Stations
7. Wi-Fi and Bluetooth Devices

Detailed and Complete Alternative Models

1. LMX2594: High-performance frequency synthesizer with extended frequency range up to 15 GHz.
2. LMX2492: Fractional-N PLL with integrated VCO and low phase noise performance.
3. LMX2582: Dual-channel frequency synthesizer with wideband capability and low power consumption.

These alternative models offer similar functionality and can be considered as alternatives to the LMX2354TMX/NOPB based on specific application requirements.

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