LMX2541SQ3740E/NOPBIn StockTexas Instruments
LMX2541SQ3740E/NOPB is a Texas Instruments ultra-low noise PLLatinum frequency synthesizer with integrated VCO, supporting output frequencies up to 4000 MHz in a compact 36-pin QFN package. Ideal for wireless infrastructure, test and measurement, and radar applications requiring exceptional phase noise performance.
- Manufacturer
- Texas Instruments
- Package
- Quad Flat No-Lead
- Pin Count
- 37
- Lifecycle
- ACTIVE
- Datasheet
- LMX2541SQ3740E/NOPB Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $7.9280(MOQ 1)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Ultra-low noise PLLatinum frequency synthesizer with integrated VCO for superior phase noise performance
- Output frequency range up to 4000 MHz, covering a wide spectrum for diverse RF applications
- Compact 36-pin 5×5 mm QFN (S-XQCC-N36) package enabling space-efficient PCB designs
- RoHS compliant (Pb-free, JESD-609 e3) for environmentally responsible designs
- Single function PLL architecture simplifying system integration and reducing BOM complexity
Applications
The LMX2541SQ3740E/NOPB is widely used in wireless base station infrastructure, where its ultra-low phase noise enables clean local oscillator signals for high-dynamic-range transceivers. It is also deployed in test and measurement equipment such as signal generators and spectrum analyzers demanding precise frequency synthesis up to 4 GHz. Additionally, it suits radar and satellite communication systems that require stable, low-jitter clock sources.
Specifications
| Pbfree Code | Yes |
| YTEOL | 15 |
| Analog IC - Other Type | PLL FREQUENCY SYNTHESIZER |
| JESD-30 Code | S-XQCC-N36 |
| JESD-609 Code | e3 |
| Number of Functions | 1 |
| Output Frequency-Max | 4000MHz |
| Package Body Material | UNSPECIFIED |
| Package Equivalence Code | LCC36,.25SQ,20 |
| Package Shape | SQUARE |
| Package Style | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Supply Current-Max (Isup) | 204mA |
| Supply Voltage-Max (Vsup) | 3.45V |
| Supply Voltage-Min (Vsup) | 3.15V |
| Supply Voltage-Nom (Vsup) | 3.3V |
| Surface Mount | YES |
| Technology | BICMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Tin (Sn) |
| Terminal Form | NO LEAD |
| Terminal Pitch | 0.5mm |
| Terminal Position | QUAD |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | Quad Flat No-Lead |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 3 |
| HTS Code | 8542.39.00.60 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for LMX2541SQ3740E/NOPB:
suggested
Frequently Asked Questions
What is the maximum output frequency of the LMX2541SQ3740E/NOPB?
The LMX2541SQ3740E/NOPB supports a maximum output frequency of 4000 MHz (4 GHz), making it suitable for a wide range of RF and microwave applications including wireless infrastructure and radar systems.
What package does the LMX2541SQ3740E/NOPB use, and what are its dimensions?
The LMX2541SQ3740E/NOPB comes in a 36-pin Quad Flat No-Lead (QFN) package with a 5×5 mm square body (JESD-30 code S-XQCC-N36, 0.25 mm pitch), offering a compact footprint ideal for space-constrained RF PCB designs.
Is the LMX2541SQ3740E/NOPB RoHS compliant?
Yes, the LMX2541SQ3740E/NOPB is fully RoHS compliant. It is lead-free (Pb-free code: Yes) and meets JESD-609 e3 moisture sensitivity requirements, ensuring compatibility with modern environmentally responsible manufacturing processes.
What are the typical applications for the LMX2541SQ3740E/NOPB?
This device is commonly used in wireless base stations, test and measurement instruments, radar systems, and satellite communications where ultra-low phase noise and precise frequency synthesis up to 4 GHz are critical requirements.
Does the LMX2541SQ3740E/NOPB include an integrated VCO?
Yes, the LMX2541SQ3740E/NOPB integrates a Voltage Controlled Oscillator (VCO) directly on-chip, reducing external component count, simplifying PCB layout, and improving overall system phase noise performance compared to discrete PLL plus external VCO solutions.
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About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
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