Datasheets
LMX2502LQ1635/NOPB by:

Frequency synthesizer system with integrated VCOs 28-WQFN -30 to 85

Part Details for LMX2502LQ1635/NOPB by Texas Instruments

Results Overview of LMX2502LQ1635/NOPB by Texas Instruments

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Applications Aerospace and Defense

LMX2502LQ1635/NOPB Information

LMX2502LQ1635/NOPB by Texas Instruments is a PLL or Frequency Synthesis Circuit.
PLL or Frequency Synthesis Circuits are under the broader part category of Signal Circuits.

A signal is an electronic means of transmitting information, either as an analog signal with continuous values or a digital signal with discrete values. Signals are used in various systems and networks. Read more about Signal Circuits on our Signal Circuits part category page.

Price & Stock for LMX2502LQ1635/NOPB

Part # Distributor Description Stock Price Buy
DISTI # LMX2502LQ1635/NOPBCT-ND
DigiKey IC FREQ SYNTH W/INT VCO 28WQFN Min Qty: 1 Lead time: 18 Weeks Container: Digi-Reel®, Cut Tape (CT), Tape & Reel (TR) 1000
In Stock
  • 1 $5.5800
  • 10 $4.8310
  • 25 $4.5704
  • 100 $4.2120
  • 250 $3.9974
  • 500 $3.8458
  • 1,000 $3.7030
  • 2,000 $3.5686
$3.5686 / $5.5800 Buy Now
DISTI # 926-LMX2502LQ1635NPB
Mouser Electronics Phase Locked Loops - PLL Frequency synthesize r system with integr RoHS: Compliant 0
  • 1,000 $3.4000
  • 2,000 $3.2900
$3.2900 / $3.4000 Order Now
DISTI # 86280730
Verical Clock Generator 440.76MHz-IN 1649.62MHz-OUT 28-Pin WQFN EP T/R RoHS: Compliant Min Qty: 98 Package Multiple: 1 Date Code: 1501 Americas - 28875
  • 98 $3.8375
  • 103 $3.6500
  • 500 $3.4500
  • 1,000 $3.2625
  • 10,000 $3.0750
$3.0750 / $3.8375 Buy Now
Rochester Electronics LMX2502 Frequency Synthesizer System with Integrated VCOs RoHS: Compliant Status: Active Min Qty: 1 28875
  • 25 $3.0700
  • 100 $2.9200
  • 500 $2.7600
  • 1,000 $2.6100
  • 10,000 $2.4600
$2.4600 / $3.0700 Buy Now

Part Details for LMX2502LQ1635/NOPB

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LMX2502LQ1635/NOPB Part Data Attributes

LMX2502LQ1635/NOPB Texas Instruments
Buy Now Datasheet
Compare Parts:
LMX2502LQ1635/NOPB Texas Instruments Frequency synthesizer system with integrated VCOs 28-WQFN -30 to 85
Pbfree Code Yes
Rohs Code Yes
Part Life Cycle Code Active
Ihs Manufacturer TEXAS INSTRUMENTS INC
Part Package Code QFN
Package Description LLP-28
Pin Count 28
Reach Compliance Code compliant
ECCN Code 5A991.G
HTS Code 8542.39.00.01
Analog IC - Other Type PLL FREQUENCY SYNTHESIZER
JESD-30 Code S-XQCC-N28
JESD-609 Code e3
Length 5 mm
Moisture Sensitivity Level 3
Number of Functions 1
Number of Terminals 28
Operating Temperature-Max 85 °C
Operating Temperature-Min -30 °C
Output Frequency-Max 1649.62 MHz
Package Body Material UNSPECIFIED
Package Code VQCCN
Package Equivalence Code LCC28,.2SQ,20
Package Shape SQUARE
Package Style CHIP CARRIER, VERY THIN PROFILE
Peak Reflow Temperature (Cel) 260
Qualification Status Not Qualified
Seated Height-Max 0.8 mm
Supply Current-Max (Isup) 21 mA
Supply Voltage-Max (Vsup) 3.3 V
Supply Voltage-Min (Vsup) 2.7 V
Supply Voltage-Nom (Vsup) 2.8 V
Surface Mount YES
Temperature Grade OTHER
Terminal Finish Matte Tin (Sn)
Terminal Form NO LEAD
Terminal Pitch 0.5 mm
Terminal Position QUAD
Time@Peak Reflow Temperature-Max (s) 30
Width 5 mm

Alternate Parts for LMX2502LQ1635/NOPB

This table gives cross-reference parts and alternative options found for LMX2502LQ1635/NOPB. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of LMX2502LQ1635/NOPB, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.

Part Number Manufacturer Composite Price Description Compare
LMX2502LQX1635/NOPB Texas Instruments Check for Price PLL FREQUENCY SYNTHESIZER, 19.68MHz, QCC28, 5 X 5 MM, 0.75 MM HEIGHT, LLP-28 LMX2502LQ1635/NOPB vs LMX2502LQX1635/NOPB
LMX2502LQ1635 National Semiconductor Corporation Check for Price IC PLL FREQUENCY SYNTHESIZER, 19.68 MHz, QCC28, 5 X 5 MM, 0.75 MM HEIGHT, LLP-28, PLL or Frequency Synthesis Circuit LMX2502LQ1635/NOPB vs LMX2502LQ1635
LMX2502LQ1635/NOPB National Semiconductor Corporation Check for Price IC PLL FREQUENCY SYNTHESIZER, 19.68 MHz, QCC28, 5 X 5 MM, 0.75 MM HEIGHT, LLP-28, PLL or Frequency Synthesis Circuit LMX2502LQ1635/NOPB vs LMX2502LQ1635/NOPB
Part Number Manufacturer Composite Price Description Compare
LMX2502LQX1635 National Semiconductor Corporation Check for Price PLL Frequency Synthesizer LMX2502LQ1635/NOPB vs LMX2502LQX1635
LMX2502LQ1635 Texas Instruments Check for Price PLL FREQUENCY SYNTHESIZER, 19.68MHz, QCC28, 5 X 5 MM, 0.75 MM HEIGHT, LLP-28 LMX2502LQ1635/NOPB vs LMX2502LQ1635
LMX2502LQX1635 Texas Instruments Check for Price PLL FREQUENCY SYNTHESIZER, 19.68MHz, QCC28, 5 X 5 MM, 0.75 MM HEIGHT, LLP-28 LMX2502LQ1635/NOPB vs LMX2502LQX1635

LMX2502LQ1635/NOPB Frequently Asked Questions (FAQ)

  • Texas Instruments provides a recommended PCB layout in the datasheet, but it's also recommended to follow general high-frequency PCB design guidelines, such as using a solid ground plane, minimizing trace lengths, and using 50-ohm transmission lines for RF signals.

  • Proper biasing is critical for the LMX2502LQ1635. Ensure that the VCC pin is connected to a stable 3.3V power supply, and the VEE pin is connected to a stable -3.3V power supply. Also, make sure to follow the recommended biasing circuitry and component values provided in the datasheet.

  • The LMX2502LQ1635 is designed to handle a maximum input power of +10 dBm. Exceeding this power limit may result in damage to the device or reduced performance.

  • Common issues with the LMX2502LQ1635 can often be attributed to poor PCB layout, incorrect biasing, or inadequate power supply decoupling. Check the datasheet for troubleshooting guidelines, and consider using simulation tools or consulting with a Texas Instruments application engineer for further assistance.

  • Yes, the LMX2502LQ1635 is compatible with lead-free soldering processes. However, it's essential to follow the recommended soldering profile and temperature guidelines to ensure reliable assembly and minimize the risk of damage to the device.

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