component
LMX2572RHAT
Public Made by Adomby adom
Texas Instruments Clock Generators, PLLs, Frequency Synthesizers, VQFN-40-EP(6x6). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"schema_version": 1,
"type": "component",
"slug": "lmx2572rhat",
"title": "LMX2572RHAT",
"brief": "Texas Instruments Clock Generators, PLLs, Frequency Synthesizers, VQFN-40-EP(6x6). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"version": "0.1.0",
"license": "CC-BY-SA-4.0",
"tags": [
"component",
"clock-timing",
"lmx2572rhat",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "LMX2572RHAT",
"manufacturer": "Texas Instruments",
"package": "VQFN-40-EP(6x6)",
"pin_count": 41,
"category": "Clock/Timing",
"subcategory": "Clock Generators, PLLs, Frequency Synthesizers",
"datasheet": "https://www.ti.com/cn/lit/gpn/lmx2572",
"parts": {
"symbol": "lmx2572rhat.kicad_sym",
"footprint": "lmx2572rhat.kicad_mod",
"model_3d": "lmx2572rhat-hero.glb",
"model_3d_plain": "lmx2572rhat.glb",
"model_3d_step": "lmx2572rhat-etched.step",
"model_3d_step_plain": "lmx2572rhat.step",
"lbr": "lmx2572rhat.lbr"
},
"distributor_links": {
"lcsc": 2651218,
"digikey": "296-47540-2-ND",
"mouser": "595-LMX2572RHAT"
},
"distributor_check": {
"checked_at": "2026-10-05T19:33:19Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "296-47540-2-ND",
"status": "found",
"lifecycle": "Active"
},
"mouser": {
"pn": "595-LMX2572RHAT",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "CE",
"type": "input",
"description": "Chip enable. High impedance CMOS input. 1.8-V to 3.3-V logic. Active HIGH powers on the device."
},
{
"number": "2",
"name": "GND",
"type": "power_in",
"description": "VCO ground."
},
{
"number": "3",
"name": "VbiasVCO",
"type": "input",
"description": "VCO bias. Connect a 470-nF (X7R) decoupling capacitor to VCO ground as close to this pin as possible."
},
{
"number": "4",
"name": "GND",
"type": "power_in",
"description": "VCO ground."
},
{
"number": "5",
"name": "SYNC",
"type": "input",
"description": "Phase synchronization trigger. Configurable to accept CMOS input (1.8-V to 3.3-V logic) or differential input."
},
{
"number": "6",
"name": "GND",
"type": "power_in",
"description": "Digital ground."
},
{
"number": "7",
"name": "VccDIG",
"type": "power_in",
"description": "Digital power supply. Connect a 0.1-µF decoupling capacitor to digital ground."
},
{
"number": "8",
"name": "OSCinP",
"type": "input",
"description": "Reference input clock (+). High impedance self-biasing pin. Requires AC-coupling."
},
{
"number": "9",
"name": "OSCinM",
"type": "input",
"description": "Reference input clock (-). High impedance self-biasing pin. Requires AC-coupling."
},
{
"number": "10",
"name": "VregIN",
"type": "input",
"description": "Input reference path regulator output. Connect a 1-µF decoupling capacitor to RF ground as close to this pin as possible."
},
{
"number": "11",
"name": "VccCP",
"type": "power_in",
"description": "Supply for charge pump. Connect a 0.1-µF decoupling capacitor to charge pump ground."
},
{
"number": "12",
"name": "CPout",
"type": "output",
"description": "Charge pump output. Place C1 of loop filter close to this pin."
},
{
"number": "13",
"name": "GND",
"type": "power_in",
"description": "Charge pump ground."
},
{
"number": "14",
"name": "GND",
"type": "power_in",
"description": "Digital ground."
},
{
"number": "15",
"name": "VccMASH",
"type": "power_in",
"description": "Digital power supply. Connect a 1-µF decoupling capacitor to digital ground."
},
{
"number": "16",
"name": "SCK",
"type": "input",
"description": "SPI clock. High impedance CMOS input. 1.8-V to 3.3-V logic."
},
{
"number": "17",
"name": "SDI",
"type": "input",
"description": "SPI data. High impedance CMOS input. 1.8-V to 3.3-V logic."
},
{
"number": "18",
"name": "RFoutBM",
"type": "output",
"description": "Differential output B (-). Low impedance output. Requires AC-coupling. Configurable between RF output or SYSREF output."
},
{
"number": "19",
"name": "RFoutBP",
"type": "output",
"description": "Differential output B (+). Low impedance output. Requires AC-coupling. Configurable between RF output or SYSREF output."
},
{
"number": "20",
"name": "MUXout",
"type": "output",
"description": "Multiplexed output pin. Configurable between lock detect and register readback."
},
{
"number": "21",
"name": "VccBUF",
"type": "power_in",
"description": "Supply for output buffers. Connect a 0.1-µF decoupling capacitor to RF ground."
},
{
"number": "22",
"name": "RFoutAM",
"type": "output",
"description": "Differential output A (-). Low impedance output. Requires AC-coupling."
},
{
"number": "23",
"name": "RFoutAP",
"type": "output",
"description": "Differential output A (+). Low impedance output. Requires AC-coupling."
},
{
"number": "24",
"name": "CSB",
"type": "input",
"description": "SPI latch. High impedance CMOS input. 1.8-V to 3.3-V logic."
},
{
"number": "25",
"name": "GND",
"type": "power_in",
"description": "VCO ground."
},
{
"number": "26",
"name": "VccVCO2",
"type": "power_in",
"description": "Supply for VCO. Connect a 1-µF decoupling capacitor to VCO ground."
},
{
"number": "27",
"name": "VbiasVCO2",
"type": "input",
"description": "VCO bias. Connect a 100-nF (X7R) decoupling capacitor to VCO ground."
},
{
"number": "28",
"name": "SysRefReq",
"type": "input",
"description": "SYSREF request for JESD204B support. Configurable to accept CMOS input (1.8-V to 3.3-V logic) or differential input."
},
{
"number": "29",
"name": "VrefVCO2",
"type": "input",
"description": "VCO supply reference. Connect a 10-µF decoupling capacitor to VCO ground."
},
{
"number": "30",
"name": "RampClk",
"type": "input",
"description": "Ramp trigger in automatic ramping mode or ramp clock in manual ramping mode. High impedance CMOS input. 1.8-V to 3.3-V logic."
},
{
"number": "31",
"name": "GND",
"type": "power_in",
"description": "VCO ground."
},
{
"number": "32",
"name": "RampDir",
"type": "input",
"description": "Ramp trigger in automatic ramping mode or ramp segment selection in manual ramping mode. High impedance CMOS input. 1.8-V to 3.3-V logic."
},
{
"number": "33",
"name": "VbiasVARAC",
"type": "input",
"description": "VCO Varactor bias. Connect a 10-µF decoupling capacitor to VCO ground."
},
{
"number": "34",
"name": "GND",
"type": "power_in",
"description": "VCO ground."
},
{
"number": "35",
"name": "Vtune",
"type": "input",
"description": "VCO tuning voltage input. Connect a 1.5-nF or more capacitor to VCO ground."
},
{
"number": "36",
"name": "VrefVCO",
"type": "input",
"description": "VCO supply reference. Connect a 10-µF decoupling capacitor to VCO ground."
},
{
"number": "37",
"name": "VccVCO",
"type": "power_in",
"description": "Supply for VCO. Connect a 1-µF decoupling capacitor to VCO ground."
},
{
"number": "38",
"name": "VregVCO",
"type": "input",
"description": "VCO regulator node. Connect a 10-nF decoupling capacitor to VCO ground."
},
{
"number": "39",
"name": "GND",
"type": "power_in",
"description": "VCO ground."
},
{
"number": "40",
"name": "GND",
"type": "power_in",
"description": "Digital ground."
},
{
"number": "41",
"name": "EP",
"type": "passive",
"description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
}
],
"provenance": {
"extractor": "extract_pins 0.3",
"factory_chain": {
"factory": "2.0.0",
"extractor": "extract_pins 0.3",
"primary_model": "claude-haiku-4-5-20251001",
"primary_mode": "text",
"consensus_model": "claude-sonnet-5-5",
"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [
"exposed pad 41 added from the footprint",
"dropped thermal pad ['EP'] absent from footprint"
],
"pages_sent": 12,
"cost_usd": 0.2401,
"at": "2026-10-05T19:33:02"
},
"datasheet": {
"url": "https://www.ti.com/cn/lit/gpn/lmx2572",
"pages": 96,
"sha256": "b72fd5e826100d9b",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 41,
"described": 41,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
}
},
"metadata": {
"specs": {
"Manufacturer": "Texas Instruments",
"Package": "VQFN-40-EP(6x6)",
"Category": "Clock/Timing",
"Pins": "41"
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
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"discovery_triggers": [
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"discovery_pitch": "LMX2572RHAT (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
"author": {
"name": "Ray",
"email": "[email protected]"
},
"dependencies": {},
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"path": "docs/hero.png"
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"files": [
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}