Datasheets
LMX2820RTCT by: Texas Instruments

22.6-GHz wideband RF synthesizer with phase synchronization, JESD and <5-&#181;s frequency calibration 48-VQFN -40 to 85

Part Details for LMX2820RTCT by Texas Instruments

Results Overview of LMX2820RTCT by Texas Instruments

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LMX2820RTCT Information

LMX2820RTCT 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.

Available Datasheets

Part # Manufacturer Description Datasheet
LMX2820RTCT Texas Instruments 22.6-GHz wideband RF synthesizer with phase synchronization, JESD and <5-&#181;s frequency calibration 48-VQFN -40 to 85

Price & Stock for LMX2820RTCT

Part # Distributor Description Stock Price Buy
LCSC 45MHz22.6GHz Synthesizer Universal VQFN-48(7x7) RF Misc ICs and Modules ROHS 18
  • 1 $58.7553
$58.7553 Buy Now
Win Source Electronics IC POWER / RF IC Synthesizer General Purpose 45MHz ~ 22.6GHz 48-VQFN (7x7) 1927
  • 1 $70.8580
  • 2 $66.2860
  • 3 $64.0000
  • 4 $59.4290
  • 5 $57.1430
  • 6 $54.8580
$54.8580 / $70.8580 Buy Now

Part Details for LMX2820RTCT

LMX2820RTCT CAD Models

LMX2820RTCT Part Data Attributes

LMX2820RTCT Texas Instruments
Buy Now Datasheet
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LMX2820RTCT Texas Instruments 22.6-GHz wideband RF synthesizer with phase synchronization, JESD and <5-&#181;s frequency calibration 48-VQFN -40 to 85
Pbfree Code Yes
Rohs Code Yes
Part Life Cycle Code Active
Ihs Manufacturer TEXAS INSTRUMENTS INC
Package Description VQFN-48
Reach Compliance Code compliant
ECCN Code EAR99
HTS Code 8542.39.00.01
Date Of Intro 2020-08-25
Samacsys Manufacturer Texas Instruments
Analog IC - Other Type PLL FREQUENCY SYNTHESIZER
JESD-30 Code S-PQCC-N48
JESD-609 Code e4
Length 7 mm
Moisture Sensitivity Level 3
Number of Functions 1
Number of Terminals 48
Operating Temperature-Max 85 °C
Operating Temperature-Min -40 °C
Output Frequency-Max 22600 MHz
Package Body Material PLASTIC/EPOXY
Package Code HVQCCN
Package Equivalence Code LCC48,.28SQ,20
Package Shape SQUARE
Package Style CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Cel) 260
Seated Height-Max 0.9 mm
Supply Voltage-Max (Vsup) 3.45 V
Supply Voltage-Min (Vsup) 3.15 V
Supply Voltage-Nom (Vsup) 3.3 V
Surface Mount YES
Temperature Grade INDUSTRIAL
Terminal Finish Nickel/Palladium/Gold/Silver (Ni/Pd/Au/Ag)
Terminal Form NO LEAD
Terminal Pitch 0.5 mm
Terminal Position QUAD
Time@Peak Reflow Temperature-Max (s) 30
Width 7 mm

Alternate Parts for LMX2820RTCT

This table gives cross-reference parts and alternative options found for LMX2820RTCT. 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 LMX2820RTCT, 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
PLMX2820RTCT Texas Instruments Check for Price 22.6-GHz wideband RF synthesizer 48-VQFN -40 to 85 LMX2820RTCT vs PLMX2820RTCT
LMX2820RTCR Texas Instruments Check for Price 22.6-GHz wideband RF synthesizer with phase synchronization, JESD and <5-µs frequency calibration 48-VQFN -40 to 85 LMX2820RTCT vs LMX2820RTCR
3236-21 pSemi Check for Price PLL Frequency Synthesizer, CMOS, PQCC44, PLASTIC, LCC-44 LMX2820RTCT vs 3236-21
ADF4193BCPZ-RL Analog Devices Inc Check for Price Low Phase Noise, Fast Settling PLL Frequency Synthesizer LMX2820RTCT vs ADF4193BCPZ-RL
ADF4193BCPZ-RL7 Analog Devices Inc Check for Price Low Phase Noise, Fast Settling PLL Frequency Synthesizer LMX2820RTCT vs ADF4193BCPZ-RL7

LMX2820RTCT Frequently Asked Questions (FAQ)

  • A 4-layer PCB with a solid ground plane and a separate power plane is recommended. Keep the analog and digital sections separate, and use a star-grounding configuration to minimize noise.

  • Use the TI-provided Loop Filter Design Tool or consult the datasheet's loop filter design guidelines. Ensure the filter is optimized for the desired bandwidth, phase margin, and gain.

  • Choose a crystal with a frequency tolerance of ±20 ppm or better, and ensure the oscillator's ESR (Equivalent Series Resistance) is within the recommended range (typically <50 ohms).

  • Use a combination of ceramic and electrolytic capacitors (e.g., 100 nF and 10 μF) to decouple the power supply. Place the capacitors close to the device's power pins, and ensure the PCB layout minimizes inductance.

  • The device has a maximum junction temperature of 150°C. Ensure good airflow, use a heat sink if necessary, and avoid blocking airflow around the device. Monitor the device's thermal performance using the thermal shutdown feature.

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