Texas Instruments LMX2541SQ2380E/NOPB

Mfr. Part

LMX2541SQ2380E/NOPB

Manufacturer

Luminary Micro/Texas Instruments

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Detailed Description

RF frequency synthesizer with integrated PLL for clock generation and LO applications

Family base number LMX2541

Output frequency up to 2.53 GHz

Single-channel synthesizer

Supply voltage 3.15 V to 3.45 V (nominal 3.3 V)

Industrial temperature range -40°C to +85°C

Input is clock reference, output is clock

Divider and multiplier functions built in

Package 36-WQFN (6 x 6 mm) with exposed thermal pad

RoHS3 compliant, lead-free

Mounting type Surface Mount

Delivery format Tape & Reel (TR)

Available stock quantity 1663 pcs (subject to prior sale)

Key Features

Integrated PLL-based RF frequency synthesizer

Frequency range up to 2.53 GHz max

1:56 input to output ratio capability

Divider and multiplier options for flexible frequency planning

Single 3.3 V class supply (3.15 V to 3.45 V)

Single circuit, compact BOM

Reference clock input, single-ended clock output

No differential input or differential output required

Wide operating temperature -40°C to +85°C

Small 6 x 6 mm 36-WQFN with exposed pad

RoHS3 compliant for global environmental standards

Supplied in Tape & Reel for automated SMT assembly

Key Advantages

Simple, compact solution for LO and clock generation

Flexible divider and multiplier help you hit exact frequencies without large external filters

Exposed thermal pad improves heat removal and RF ground, aiding stability

Small footprint saves PCB area in dense RF designs

Industrial temperature range supports harsh environments

Single-supply operation reduces power rail complexity

Backed by Texas Instruments ecosystem and documentation

Packaging

Type 36-WQFN (WFQFN) with exposed thermal pad

Body size 6 mm x 6 mm nominal

Pin count 36 perimeter pads plus center exposed pad

Material molded plastic package on copper leadframe, lead-free, RoHS compliant

Mounting Surface Mount, reflow solder compatible

Delivery Tape & Reel (TR) for high-volume pick-and-place

Thermal characteristics exposed center pad for efficient heat spreading and low-impedance ground; follow datasheet land pattern and thermal via guidance

Electrical summary supply 3.15 V to 3.45 V, output frequency up to 2.53 GHz, 1 channel, PLL integrated, divider and multiplier available, input clock reference, output clock, input to output ratio up to 1:56, non-differential I/O

Lifecycle

Current market status commonly listed as active for many LMX2541 variants, but lifecycle status can change. Check with Y-IC for the latest status and secure supply

Not flagged as nearing discontinuation in recent public sources at time of writing; verify for your build plan

Equivalent or alternative models

- Same family (frequency options vary by suffix) LMX2541SQxxxxE/NOPB variants for different VCO ranges within the LMX2541 family. Contact us with your target frequency to match the best suffix

- Newer-generation TI synthesizers with integrated VCO

- LMX2571 (fractional/integer-N RF synthesizer with integrated VCO, low noise, wide range)

- LMX2572 (wideband version, integrated VCO)

- LMX2581 / LMX2582 (wideband RF synthesizers with integrated VCO)

- LMX2594 (ultra-wideband synthesizer with integrated VCO; not pin-compatible)

- Note these alternatives are not drop-in pin compatible. Electrical and software control differences apply. For a form-fit-function review and the safest replacement choice, contact Y-IC sales or FAE support

If you do not see a direct equivalent for your exact frequency and pinout, please contact our sales team via the Y-IC website for tailored guidance

Key Application Areas

Local oscillator (LO) generation for RF transceivers and mixers

Wireless infrastructure and small cells

ISM band radios and point-to-point links

Test and measurement signal sources

Clock generation for high-speed data converters and SERDES

Industrial and instrumentation RF systems

Aerospace and defense RF subsystems (non-radiation-hardened)

Datasheet

Y-IC hosts the most authoritative and up-to-date datasheet for LMX2541SQ2380E/NOPB on our product page. We recommend downloading it from this page to get full electrical specs, pinout, register maps, layout guidance, and thermal recommendations

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