IC PLL CLOCK/FREQ SYNTH 40VQFN

LMX2594RHAR – 15GHz PLL Clock/Frequency Synthesizer – Texas Instruments

Experience ultra-precise timing control with the LMX2594RHAR from Texas Instruments. This high-performance PLL clock synthesizer delivers industry-leading frequency generation up to 15GHz, ideal for demanding RF and communication systems requiring low jitter and phase noise. PCX ensures rapid shipping and dedicated technical support for your critical design needs.

Key Features

• Frequency Range: Up to 15GHz max output
• Power Efficiency: 3.15V–3.45V supply voltage
• Robust I/O: CMOS/LVDS inputs with differential input/output support
• Advanced PLL: Integrated dividers/multipliers for flexible clock synthesis
• Industrial Durability: -40°C to 85°C operating temperature
• Compact Design: 40-VQFN (6×6) surface-mount package

Technical Details

Part of Texas Instruments’ PLLatinum™ series, this active-status IC combines a fractional-N PLL with a high-performance VCO. It accepts CMOS or LVDS input signals and generates ultra-stable differential outputs, minimizing clock distribution errors. The exposed-pad QFN package optimizes thermal management in high-density PCB layouts while supporting industrial temperature ranges.

Applications

• 5G base stations and wireless infrastructure
• Radar systems and aerospace communications
• High-speed data converters and test equipment
• Optical networking and broadband systems
• Satellite communication modules

About Texas Instruments

Texas Instruments (TI) is a global semiconductor leader with over 90 years of innovation in analog and embedded processing technologies. Their PLLatinum™ series represents cutting-edge RF design, trusted by engineers for mission-critical timing solutions across aerospace, telecommunications, and industrial sectors.

TI’s rigorous quality control and extensive validation processes ensure consistent performance in extreme environments. Their commitment to technical documentation and design support simplifies integration, reducing development cycles for complex systems.

About PLL Clock Synthesizers

Phase-Locked Loop (PLL) clock synthesizers generate stable, programmable output frequencies from reference signals, essential for synchronizing digital systems. They eliminate clock distribution challenges by multiplying frequencies while maintaining ultra-low jitter – critical for high-speed data transmission and signal integrity.

Modern synthesizers like the LMX2594RHAR integrate VCOs, dividers, and loop filters in single-chip solutions. This integration reduces component count and board space while improving phase noise performance, making them indispensable in RF transceivers, radar, and high-precision instrumentation.

Packaging Options

Available in Tape & Reel (TR) packaging for automated assembly. Contact PCX for reel quantity details and kitting services.

Frequently Asked Questions

Q: What is the phase noise performance at 10GHz?
A: Refer to the datasheet for detailed phase noise plots; typical performance exceeds -110 dBc/Hz at 100kHz offset.

Q: Does this support integer-N and fractional-N modes?
A: Yes, it offers both modes for flexible frequency planning and spurious reduction.

Q: Is evaluation hardware available?
A: PCX provides technical guidance for TI evaluation modules – contact our support team for compatibility details.

Q: Can it generate multiple independent outputs?
A: This model produces one differential output pair; see TI’s portfolio for multi-output variants.

Q: What PCB layout practices minimize jitter?
A: Use impedance-matched traces, ground planes under RF sections, and bypass capacitors per datasheet recommendations.

Q: How does PLLatinum™ differ from standard synthesizers?
A: TI’s architecture features lower fractional-N spurs and wider bandwidth for faster settling times in dynamic systems.

Note: Product images are representational; refer to datasheet for exact dimensions.

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