About us Contact Us Submit BOM
RFQs(0)
English
Close Menu
View All

Please refer to the English Version as our Official Version.Return

Europe
France(Français) Germany(Deutsch) Italy(Italia) Russian(русский) Poland(polski) Czech(Čeština) Luxembourg(Lëtzebuergesch) Netherlands(Nederland) Iceland(íslenska) Hungarian(Magyarország) Spain(español) Portugal(Português) Turkey(Türk dili) Bulgaria(Български език) Ukraine(Україна) Greece(Ελλάδα) Israel(עִבְרִית) Sweden(Svenska) Finland(Svenska) Finland(Suomi) Romania(românesc) Moldova(românesc) Slovakia(Slovenská) Denmark(Dansk) Slovenia(Slovenija) Slovenia(Hrvatska) Croatia(Hrvatska) Serbia(Hrvatska) Montenegro(Hrvatska) Bosnia and Herzegovina(Hrvatska) Lithuania(lietuvių) Spain(Português) Switzerland(Deutsch) United Kingdom(English)
Asia/Pacific
Japan(日本語) Korea(한국의) Thailand(ภาษาไทย) Malaysia(Melayu) Singapore(Melayu) Vietnam(Tiếng Việt) Philippines(Pilipino)
Africa, India and Middle East
United Arab Emirates(العربية) Iran(فارسی) Tajikistan(فارسی) India(हिंदी) Madagascar(malaɡasʲ)
South America / Oceania
New Zealand(Maori) Brazil(Português) Angola(Português) Mozambique(Português)
North America
United States(English) Canada(English) Haiti(Ayiti) Mexico(español)
HomeProductsIntegrated Circuits (ICs)Clock/Timing - Clock Generators, PLLs, Frequency SynthesizersSKY72310-362LF
SKY72310-362LF Image
SKY72310-362LF Image - 1
Image may be representation.
See specifications for product details.
Share
 Favorite
EXPRESS OPTION
Payment method

SKY72310-362LF - Skyworks Solutions Inc.

Manufacturer Part Number
SKY72310-362LF
Manufacturer
Skyworks Solutions, Inc.
Allelco Part Number
32D-SKY72310-362LF
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
5,130 pcs available, New & Original
Parts Description
IC FRACT N SYNTH 24QFN
Package
24-QFN (4x4)
Data sheet
SKY72310-362LF.pdf

PCN Obsolescence/ EOL

Multiple Devices 15/Apr/2015.pdf
RoHs Status
ROHS3 Compliant
Compare
Our certification
In stock: 5130

Required fields are indicated by an asterisk (*)
Please send RFQ, we will respond immediately.

Quantity

Specifications

SKY72310-362LF Tech Specifications
Skyworks Solutions Inc. - SKY72310-362LF technical specifications, attributes, parameters and parts with similar specifications to Skyworks Solutions Inc. - SKY72310-362LF

Product Attribute Attribute Value
Manufacturer Skyworks Solutions, Inc.
Voltage - Supply 2.7V ~ 3.3V
Type Fractional N Synthesizer (RF)
Supplier Device Package 24-QFN (4x4)
Series -
Ratio - Input:Output 2:2
Package / Case 24-VFQFN Exposed Pad
Package Tape & Reel (TR)
PLL Yes
Product Attribute Attribute Value
Output Clock, Crystal
Operating Temperature -40°C ~ 85°C
Number of Circuits 1
Mounting Type Surface Mount
Input Clock, Crystal
Frequency - Max 2.1GHz
Divider/Multiplier Yes/No
Differential - Input:Output Yes/Yes

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 3 (168 Hours)
ECCN EAR99
HTSUS 8542.39.0001

Parts Introduction

SKY72310-362LF Image
SKY72310-362LF (1)

Manufacturer Part Number

SKY72310-362LF

Manufacturer

Skyworks Solutions

Introduction

The SKY72310-362LF is a high-performance fractional-N synthesizer with an integrated phase-locked loop (PLL) for clock and frequency generation applications. It offers a wide operating frequency range up to 2.1 GHz, making it suitable for a variety of wireless and communication systems.

Product Features and Performance

Fractional-N synthesizer with integrated PLL

Wide operating frequency range up to 2.1 GHz

Supports clock and crystal input/output

Differential input and output interfaces

Integrated divider and multiplier functions

Operates on a supply voltage of 2.7V to 3.3V

Wide operating temperature range of -40°C to 85°C

Surface mount package (24-VFQFN Exposed Pad)

Product Advantages

High-performance fractional-N synthesis for precise frequency generation

Wide frequency range accommodates diverse system requirements

Differential interfaces for improved noise immunity and signal quality

Integrated divider and multiplier enable flexible frequency scaling

Low power consumption and wide temperature range for versatile applications

Key Reasons to Choose This Product

Reliable and high-performance frequency synthesis for critical system components

Flexible configuration options to meet specific design needs

Compact surface mount package for space-constrained applications

Proven reliability and performance from a trusted manufacturer, Skyworks Solutions

Quality and Safety Features

Rigorous quality control and testing processes

Compliance with industry safety and environmental standards

Compatibility

The SKY72310-362LF is designed to be compatible with various wireless and communication system architectures that require high-performance clock and frequency generation.

Application Areas

Wireless communication systems (e.g., cellular, Wi-Fi, Bluetooth)

Test and measurement equipment

Industrial automation and control systems

Medical devices

Aerospace and defense applications

Product Lifecycle

The SKY72310-362LF is currently an obsolete product, meaning it is no longer in active production. However, there may be equivalent or alternative models available from Skyworks Solutions or other manufacturers. Customers are advised to contact our website's sales team for more information on available options and product lifecycle status.

Frequently Asked Questions(FAQ)

What are the key design considerations when integrating the SKY72310-362LF fractional N synthesizer into a 5G front-end module operating at 2.1 GHz, particularly regarding phase noise and supply stability?
The SKY72310-362LF is optimized for fractional-N synthesis up to 2.1 GHz, making it suitable for 5G applications where low phase noise and precise frequency control are critical. However, its performance is highly dependent on loop filter design and reference clock quality due to the inherent trade-offs in fractional spurs. Supply voltage must remain within the strict 2.7V–3.3V range to avoid degradation in output jitter; even minor fluctuations can increase close-in phase noise by several dBc/Hz. Additionally, thermal management is important since junction temperature affects VCO tuning linearity. For best results, use a low-jitter crystal reference and ensure adequate PCB layout isolation from digital switching noise.
How does the SKY72310-362LF compare to the ADF4159-2 in terms of spurious levels and settling time when used as a fractional-N PLL for a wideband LTE transmitter?
While both devices operate above 2 GHz, the SKY72310-362LF typically exhibits higher reference spurs compared to the ADF4159-2 due to its integrated architecture and fixed divider ratios. The ADF4159-2 offers finer resolution with lower delta-sigma quantization noise through advanced calibration techniques, resulting in cleaner spectral purity. In contrast, the SKY72310-362LF achieves faster settling times—often under 10 µs—which benefits dynamic channel changes in LTE. However, this speed comes at the cost of increased fractional spurs unless carefully managed with optimized charge pump settings and loop damping. For high-selectivity systems, the ADF4159-2 may be preferable despite slower settling.
Can the SKY72310-362LF drive a differential RF mixer directly without an external buffer, and what impact does loading have on its output stage?
No, the SKY72310-362LF does not include an internal RF buffer or driver amplifier. It provides a buffered clock output intended primarily for feeding phase detectors or low-capacitance logic inputs. Driving a high-impedance or capacitive RF mixer input directly could lead to signal degradation, increased rise/fall times, and potential instability in downstream stages. A discrete buffer or integrated PA is recommended to maintain timing integrity and ensure sufficient swing across process, voltage, and temperature variations.
What precautions should be taken during PCB layout to minimize phase noise degradation in systems using the SKY72310-362LF near the upper frequency limit of 2.1 GHz?
At frequencies approaching 2.1 GHz, even minor parasitic inductance and capacitance from poor trace routing can detune the internal VCO or alter loop dynamics, increasing phase noise. Keep power and ground planes solid and unbroken beneath the device, and use short, direct traces for supply decoupling capacitors—preferably placed within 2 mm of the IC. Minimize stubs and vias in signal paths, especially for the reference and feedback inputs. Use controlled impedance lines if routing clock outputs over long distances. Ground the exposed pad effectively with multiple thermal vias to stabilize thermal performance, which indirectly supports consistent frequency accuracy.
Is it acceptable to operate the SKY72310-362LF outside its specified -40°C to +85°C range in ruggedized military hardware, and what reliability risks emerge?
Operating beyond the -40°C to +85°C specification voids warranty and increases risk of parametric drift and accelerated aging. At temperatures below -40°C, semiconductor mobility decreases, potentially causing increased settling time and degraded lock detection. Above 85°C, leakage currents rise and may affect charge pump matching, leading to increased spurious levels. In military-grade systems requiring extended temperature ranges, derating components or selecting alternative parts with wider margins is strongly advised. The SKY72310-362LF’s Moisture Sensitivity Level (MSL) of 3 also requires dry-pack storage prior to assembly.
How does the 2:2 input-to-output ratio influence system architecture when cascading the SKY72310-362LF with other timing ICs?
The 2:2 ratio means the input and output clocks share identical division factors, preserving timing relationships but limiting flexibility in generating sub-harmonic or multiplied signals without external dividers. This simplifies synchronization between reference and feedback paths but restricts frequency scaling options. When designing multi-chip timing trees, this fixed ratio requires careful planning of overall system dividers to achieve desired output frequencies. It also implies that any jitter introduced on the reference will appear directly at the output unless filtered by the PLL loop bandwidth.
What role does the integrated VCO play in the SKY72310-362LF’s frequency agility, and how sensitive is it to supply ripple?
The VCO is core to the fractional-N synthesis function, enabling fine frequency steps by modulating the divider ratio. Its tuning range covers up to 2.1 GHz, allowing rapid hopping across channels. However, the VCO gain (Kvco) is sensitive to supply variations; ripple on the 2.7V–3.3V rail can modulate the oscillation frequency, degrading phase noise and introducing AM-to-PM conversion. To mitigate this, use a well-regulated supply with LC filtering and ensure bypass capacitors have low ESL/ESR. Simulations should include supply noise coupling into the VCO control line.
Why might a designer choose the SKY72310-362LF over a pure integer-N solution despite higher complexity, and what cost-performance trade-offs arise?
Fractional-N synthesis allows continuous frequency stepping without large frequency gaps, essential for modern wireless standards like LTE and 5G that require fine channel spacing. While the SKY72310-362LF introduces spurs and demands more sophisticated loop design than integer-N PLLs, it eliminates the need for multiple crystals or expensive frequency doublers. This reduces BOM count and board space. The trade-off is increased development effort in loop filter optimization and potential need for post-deployment calibration. For high-volume consumer radios, the integration benefit often outweighs these challenges.

Parts with Similar Specifications

The three parts on the right have similar specifications to Skyworks Solutions Inc. SKY72310-362LF

Product Attribute SKY72310-362 SKY72300-362 SKY72310-11 SKY72300-21
Part Number SKY72310-362 SKY72300-362 SKY72310-11 SKY72300-21
Manufacturer Skyworks Solutions Inc. Skyworks Solutions Inc. Skyworks Solutions Inc. Skyworks Solutions Inc.
Type - - - -
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Ratio - Input:Output - - - -
Divider/Multiplier - - - -
Series - - - -
Output - - - -
Frequency - Max - - - -
PLL - - - -
Differential - Input:Output - - - -
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Number of Circuits - - - -
Mounting Type - Surface Mount Through Hole Surface Mount
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Input - - - -
Voltage - Supply - - - -

SKY72310-362LF Datasheet PDF

Download SKY72310-362LF pdf datasheets and Skyworks Solutions Inc. documentation for SKY72310-362LF - Skyworks Solutions Inc..

Datasheets
SKY72310-362LF.pdf Wireless Infrastructure Solutions.pdf
PCN Obsolescence/ EOL
Multiple Devices 15/Apr/2015.pdf

Customers Also Interested in

Recommended Products

Customer Reviews

Evaluation: 10 Articles

  • Nath***rooks
    Jun 11, 2026

    Installed this power component in a converter board. Output remained stable under different load conditions and thermal performance was better than expected.

  • Dani***alkerTech
    Jun 1, 2026

    Product works, but setup took more effort than expected. Once configured the MCU ran reliably, although documentation support felt older compared with newer platforms. Fine for maintenance projects.

  • Yuki***aka88
    May 26, 2026

    信号通信プロジェクトでこのRS-485トランシーバーを使用しました。設置は簡単で、長距離ケーブルでも通信は安定していました。消費電力も、以前使用していたものより低くなっています。

  • Stev***aker
    May 20, 2026

    Solid diode for power rectification. Works well in switching circuits.

  • Bran***Lewis
    May 11, 2026

    Compact FPGA with good performance. Suitable for basic signal processing tasks.

  • Oliv***arris
    May 7, 2026

    Reliable I/O expander. Works well in embedded control applications.

  • Jess***Jones
    Apr 17, 2026

    It offers good value for the price, and the specifications match the description. I’ve been using it for two days with no issues, and I’ll definitely buy it again if I need it in the future.

  • Mich***Smith
    Apr 17, 2026

    Shipping was on time, the component pins are neatly aligned, and I tested 10 of them with a multimeter—all readings were within the specified range. Highly recommended.

  • Aman***arris
    Apr 3, 2026

    It was great—the entire process, from placing the order to receiving the package, went very smoothly. The components were consistent, the price was fair, and I had a very pleasant shopping experience.

  • Mike***nch
    Apr 3, 2026

    Better than expected! The resistance and capacitance readings were spot-on, and it passed the test on the first try. The service was reliable, and the packaging was thoughtful—I highly recommend it.

Write a Review

Your Email address will not be published.

Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

  1. Use your express account for shipment if you have one.
  2. Use our account for the shipment. Refer to the table below for the approximate charges.
(Different time frame / countries / package size has different price.)

Delivery Method

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
  2. Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.
  • QC (Quality Warranty)
  • Payment Support
  • Packaging
  • Certifications & Memberships

QC (Quality Warranty)

Allelco is committed to exceeding customer expectations through customer service excellence, order accuracy, and on-time delivery.
This is achieved through our commitment to the continual improvement of our processes, services, and products.


Strict quality inspection builds a solid foundation for electronic component quality.
  1. Visual inspection
  2. Performance testing and reliability verification
  3. Standardized full-process testing
  4. Precise control of every parameter
We eliminate defective components and ensure the stable operation of electronic devices through professional quality standards.
Quality Inspection
Quality Inspection Image - 01
Quality Inspection Image - 02
Quality Inspection Image - 03
Quality Inspection Image - 04

Payment Support

The payment method can be chosen from the methods shown below: Wire Transfer (T/T, Bank Transfer), Western Union, Credit card, PayPal.
  • HKBea
  • Paypal
  • MasterCard
  • Western-Union
  • VISA
Stable Delivery, Sincere Partnership — Your Faithful Supply Chain Partner
  • Efficient Supply Management
  • Cost-Saving Procurement
  • Fast Sourcing & Delivery
Contact us if you have any questions.

Packaging

Electrostatic Discharge Protection and Handling

All electrostatic-sensitive components are handled in accordance with electrostatic discharge control procedures. The products are hermetically sealed in anti-static safe packaging to prevent electrostatic damage. Appropriate labeling is also applied for identification and traceability. This ensures product integrity during storage, handling and transportation.


ESD

Certifications & Memberships

Third-party certified, strict quality control. Our certification
  • ISO 9001: 2015
  • ISO 13485: 2016
  • ISO 14001: 2015
  • ISO 28000: 2007
  • ISO 45001: 2018
  • GB/T 27922-2011
  • SMTA
  • IPC
  • ESD
  • PSMA
SKY72310-362LF Image

SKY72310-362LF

Skyworks Solutions Inc.
32D-SKY72310-362LF

Want a better price? Add to Cart and Submit RFQ now, we'll contact you immediately.

Allelco
About Us
History
Certifications
Recruitment
Policies
Terms & Conditions
Privacy Policy
Cookie Policy
Services
Order Tracking
Return & Replacement
Frequently Asked Questions
Contact Us
Order
Shipping & Delivering
Payment Methods
My Account
The BlogsHot PartsChange LanguageNewsSite map
Contact Us
Headquarters Address:
Room C 13/F Harvard Commercial Building
105-111 Thomson Road Wan Chai
HongKong
Service Tel: +852-91464856
Service Email: info@allelco.com
Follow us
Copyright © 2012-2025 AllelcoElec.com. All rights reserved.
0 RFQ
Shopping cart (0 Items)
It is empty.
Submit RFQ
Compare List (0 Items)
It is empty.
Feedback

Your feedback matters! At Allelco, we value the user experience and strive to improve it constantly.
Please share your comments with us via our feedback form, and we'll respond promptly.
Thank you for choosing Allelco.

Subject
E-mail
Comments
Captcha
Drag or click to upload file
Upload File
types: .xls, .xlsx, .doc, .docx, .jpg, .png and .pdf.
Max file size: 10MB