component
AFE4490RHAT
Public Made by Adomby adom
Texas Instruments Analog Front End (AFEs), VQFN-40-EP(6x6). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576777879808182838485868788899091929394959697989910010110210310410510610710810911011111211311411511611711811912012112212312412512612712812913013113213313413513613713813914014114214314414514614714814915015115215315415515615715815916016116216316416516616716816917017117217317417517617717817918018118218318418518618718818919019119219319419519619719819920020120220320420520620720820921021121221321421521621721821922022122222322422522622722822923023123223323423523623723823924024124224324424524624724824925025125225325425525625725825926026126226326426526626726826927027127227327427527627727827928028128228328428528628728828929029129229329429529629729829930030130230330430530630730830931031131231331431531631731831932032132232332432532632732832933033133233333433533633733833934034134234334434534634734834935035135235335435535635735835936036136236336436536636736836937037137237337437537637737837938038138238338438538638738838939039139239339439539639739839940040140240340440540640740840941041141241341441541641741841942042142242342442542642742842943043143243343443543643743843944044144244344444544644744844945045145245345445545645745845946046146246346446546646746846947047147247347447547647747847948048148248348448548648748848949049149249349449549649749849950050150250350450550650750850951051151251351451551651751851952052152252352452552652752852953053153253353453553653753853954054154254354454554654754854955055155255355455555655755855956056156256356456556656756856957057157257357457557657757857958058158258358458558658758858959059159259359459559659759859960060160260360460560660760860961061161261361461561661761861962062162262362462562662762862963063163263363463563663763863964064164264364464564664764864965065165265365465565665765865966066166266366466566666766866967067167267367467567667767867968068168268368468568668768868969069169269369469569669769869970070170270370470570670770870971071171271371471571671771871972072172272372472572672772872973073173273373473573673773873974074174274374474574674774874975075175275375475575675775875976076176276376476576676776876977077177277377477577677777877978078178278378478578678778878979079179279379479579679779879980080180280380480580680780880981081181281381481581681781881982082182282382482582682782882983083183283383483583683783883984084184284384484584684784884985085185285385485585685785885986086186286386486586686786886987087187287387487587687787887988088188288388488588688788888989089189289389489589689789889990090190290390490590690790890991091191291391491591691791891992092192292392492592692792892993093193293393493593693793893994094194294394494594694794894995095195295395495595695795895996096196296396496596696796896997097197297397497597697797897998098198298398498598698798898999099199299399499599699799899910001001100210031004100510061007100810091010101110121013101410151016101710181019102010211022102310241025102610271028102910301031103210331034103510361037103810391040104110421043104410451046104710481049105010511052105310541055105610571058105910601061106210631064106510661067106810691070107110721073107410751076107710781079108010811082108310841085108610871088108910901091109210931094109510961097109810991100110111021103110411051106110711081109111011111112111311141115111611171118111911201121112211231124
{
"schema_version": 1,
"type": "component",
"slug": "afe4490rhat",
"title": "AFE4490RHAT",
"brief": "Texas Instruments Analog Front End (AFEs), 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",
"adc-dac-data conversion",
"afe4490rhat",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "AFE4490RHAT",
"manufacturer": "Texas Instruments",
"package": "VQFN-40-EP(6x6)",
"pin_count": 41,
"category": "ADC/DAC/Data Conversion",
"subcategory": "Analog Front End (AFEs)",
"datasheet": "https://www.ti.com/lit/ds/symlink/afe4490rhat.pdf",
"parts": {
"symbol": "afe4490rhat.kicad_sym",
"footprint": "afe4490rhat.kicad_mod",
"model_3d": "afe4490rhat-hero.glb",
"model_3d_plain": "afe4490rhat-etched.glb",
"model_3d_step": "afe4490rhat-etched.step",
"model_3d_step_plain": "afe4490rhat.step",
"lbr": "afe4490rhat.lbr"
},
"distributor_links": {
"lcsc": "C2651546",
"digikey": "296-35685-2-ND",
"mouser": "595-AFE4490RHAT"
},
"distributor_check": {
"checked_at": "2026-11-02T16:59:17Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "296-35685-2-ND",
"status": "found"
},
"mouser": {
"pn": "595-AFE4490RHAT",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "INN",
"type": "input",
"description": "Receiver input pin that connects to the photodiode anode."
},
{
"number": "2",
"name": "INP",
"type": "input",
"description": "Receiver input pin that connects to the photodiode cathode."
},
{
"number": "3",
"name": "RX_ANA_GND",
"type": "power_in",
"description": "Rx analog ground pin that connects to common board ground."
},
{
"number": "4",
"name": "VCM",
"type": "passive",
"description": "Input common-mode voltage output, expected at 0.9 V, with a 1 kΩ series resistor and 10 nF decoupling capacitor to ground."
},
{
"number": "5",
"name": "DNC",
"type": "unconnected",
"description": "Do not connect; leave as open circuit."
},
{
"number": "6",
"name": "DNC",
"type": "unconnected",
"description": "Do not connect; leave as open circuit."
},
{
"number": "7",
"name": "BG",
"type": "passive",
"description": "Decoupling capacitor for the internal band-gap voltage, requiring a 2.2 µF capacitor to ground with an expected voltage of 1.0 V."
},
{
"number": "8",
"name": "VSS",
"type": "power_in",
"description": "Substrate ground pin that connects to common board ground."
},
{
"number": "9",
"name": "TX_REF",
"type": "passive",
"description": "Transmitter reference voltage, 0.75 V by default after reset, requiring a 2.2 µF decoupling capacitor to ground."
},
{
"number": "10",
"name": "DNC",
"type": "unconnected",
"description": "Do not connect; leave as open circuit."
},
{
"number": "11",
"name": "TX_CTRL_SUP",
"type": "power_in",
"description": "Transmit control supply pin that requires a 0.1 µF decoupling capacitor to ground."
},
{
"number": "12",
"name": "LED_DRV_GND",
"type": "power_in",
"description": "LED driver ground pin for the H-bridge that connects to common board ground."
},
{
"number": "13",
"name": "LED_DRV_GND",
"type": "power_in",
"description": "LED driver ground pin for the H-bridge that connects to common board ground."
},
{
"number": "14",
"name": "TXN",
"type": "output",
"description": "LED driver H-bridge output B that connects to the LED."
},
{
"number": "15",
"name": "TXP",
"type": "output",
"description": "LED driver H-bridge output B that connects to the LED."
},
{
"number": "16",
"name": "LED_DRV_GND",
"type": "power_in",
"description": "LED driver ground pin for the H-bridge that connects to common board ground."
},
{
"number": "17",
"name": "LED_DRV_SUP",
"type": "power_in",
"description": "LED driver supply pin for the H-bridge that must be fed by a supply capable of delivering the large LED current."
},
{
"number": "18",
"name": "LED_DRV_SUP",
"type": "power_in",
"description": "LED driver supply pin for the H-bridge that must be fed by a supply capable of delivering the large LED current."
},
{
"number": "19",
"name": "RX_DIG_GND",
"type": "power_in",
"description": "Rx digital ground pin that connects to common board ground."
},
{
"number": "20",
"name": "AFE_PDN",
"type": "input",
"description": "AFE-only power-down input that is active low."
},
{
"number": "21",
"name": "DIAG_END",
"type": "output",
"description": "Output signal that indicates completion of diagnostics and can connect to a microcontroller port pin."
},
{
"number": "22",
"name": "LED_ALM",
"type": "output",
"description": "Output signal that indicates an LED cable fault and can connect to a microcontroller port pin."
},
{
"number": "23",
"name": "PD_ALM/ADC Reset",
"type": "output",
"description": "Output signal that indicates a photodiode sensor or cable fault, and in ADC bypass mode carries the ADC reset signal."
},
{
"number": "24",
"name": "SCLK",
"type": "input",
"description": "SPI clock pin."
},
{
"number": "25",
"name": "SPISOMI",
"type": "output",
"description": "SPI serial out, master in pin."
},
{
"number": "26",
"name": "SPISIMO",
"type": "input",
"description": "SPI serial in, master out pin."
},
{
"number": "27",
"name": "SPISTE",
"type": "input",
"description": "SPI serial interface enable pin."
},
{
"number": "28",
"name": "ADC_RDY",
"type": "output",
"description": "Output signal that indicates ADC conversion completion and can connect to a microcontroller interrupt input."
},
{
"number": "29",
"name": "RESET",
"type": "input",
"description": "AFE-only reset input that is active low."
},
{
"number": "30",
"name": "CLKOUT",
"type": "output",
"description": "Buffered 4-MHz clock output that can connect to a microcontroller clock input."
},
{
"number": "31",
"name": "RX_DIG_SUP",
"type": "power_in",
"description": "Rx digital supply pin that requires a 0.1 µF decoupling capacitor to ground."
},
{
"number": "32",
"name": "RX_DIG_GND",
"type": "power_in",
"description": "Rx digital ground pin that connects to common board ground."
},
{
"number": "33",
"name": "RX_ANA_SUP",
"type": "power_in",
"description": "Rx analog supply pin that requires a 0.1 µF decoupling capacitor to ground."
},
{
"number": "34",
"name": "RXOUTN",
"type": "input",
"description": "External ADC negative input used in ADC bypass mode."
},
{
"number": "35",
"name": "RXOUTP",
"type": "input",
"description": "External ADC positive input used in ADC bypass mode."
},
{
"number": "36",
"name": "RX_ANA_GND",
"type": "power_in",
"description": "Rx analog ground pin that connects to common board ground."
},
{
"number": "37",
"name": "XOUT",
"type": "passive",
"description": "Crystal oscillator pin; connect an external 8 MHz crystal between XIN and XOUT with the vendor-specified load capacitors to ground."
},
{
"number": "38",
"name": "XIN",
"type": "passive",
"description": "Crystal oscillator pin; connect an external 8 MHz crystal between XIN and XOUT with the vendor-specified load capacitors to ground."
},
{
"number": "39",
"name": "RX_ANA_SUP",
"type": "power_in",
"description": "Rx analog supply pin that requires a 0.1 µF decoupling capacitor to ground."
},
{
"number": "40",
"name": "RX_ANA_GND",
"type": "power_in",
"description": "Rx analog ground pin that connects to common board 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-5-5",
"primary_mode": "text",
"consensus_model": "claude-sonnet-5-5",
"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [
"extractor flagged: The package hint says VQFN-40-EP(6x6), but the datasheet gives only the RHA VQFN-40 6 mm x 6 mm pack",
"2/41 pins cited to the wrong page (name found elsewhere): ['37:XOUT@p7', '38:XIN@p7']"
],
"pages_sent": 14,
"cost_usd": 0.0378,
"at": "2026-11-02T16:58:58"
},
"datasheet": {
"url": "https://www.ti.com/lit/ds/symlink/afe4490rhat.pdf",
"pages": 102,
"sha256": "24df2fc56cacfa70",
"source_tier": "mfr"
},
"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"
},
"models_3d": [
{
"file": "afe4490rhat.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
6,
6,
1
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "e5b4286c2329085d9ef7f90d5eb5bf41a435241ecc1baaf1383823b6d6a946ae",
"checked": "2026-11-02",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "afe4490rhat-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
6,
6,
1
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "f75e4c7020ce4bdf47d0b0c59cdb26dce56b12f7a381b984f91361cb6ee96d39",
"checked": "2026-11-02",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "Texas Instruments",
"Package": "VQFN-40-EP(6x6)",
"Category": "ADC/DAC/Data Conversion",
"Pins": "41"
},
"appearance": {
"housing": {
"quote": "counter (running off of the 4-MHz clock) to set the time-base. All timing signals are set with reference to the pulse repetition period (PRP). Therefore, a dedicated compare",
"page": 33,
"doc": "ds.pdf",
"material": "pet"
},
"version": 1,
"datasheet_sha256": "24df2fc56cacfa70be75c31fe0b8f1e9aacf4fa07f26acdb4369fefb473b716d"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "24df2fc56cacfa70be75c31fe0b8f1e9aacf4fa07f26acdb4369fefb473b716d",
"rows": [
{
"name": "RX_ANA_SUP, RX_DIG_SUP to RX_ANA_GND, RX_DIG_GND",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 4,
"conditions": "",
"source_page": 8,
"source": "datasheet"
},
{
"name": "TX_CTRL_SUP, LED_DRV_SUP to LED_DRV_GND",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 6,
"conditions": "",
"source_page": 8,
"source": "datasheet"
},
{
"name": "RX_ANA_GND, RX_DIG_GND to LED_DRV_GND",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 0.3,
"conditions": "",
"source_page": 8,
"source": "datasheet"
},
{
"name": "TXP, TXN pins voltage",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": null,
"conditions": "Maximum is the minimum of 6 V and (LED_DRV_SUP + 0.3) V",
"source_page": 8,
"source": "datasheet"
},
{
"name": "Input current to any pin except supply pins",
"symbol": "",
"kind": "absolute_maximum",
"unit": "mA",
"min": -7,
"typ": null,
"max": 7,
"conditions": "",
"source_page": 8,
"source": "datasheet"
},
{
"name": "Input current momentary",
"symbol": "",
"kind": "absolute_maximum",
"unit": "mA",
"min": -50,
"typ": null,
"max": 50,
"conditions": "Momentary",
"source_page": 8,
"source": "datasheet"
},
{
"name": "Input current continuous",
"symbol": "",
"kind": "absolute_maximum",
"unit": "mA",
"min": -7,
"typ": null,
"max": 7,
"conditions": "Continuous",
"source_page": 8,
"source": "datasheet"
},
{
"name": "Operating temperature range",
"symbol": "",
"kind": "absolute_maximum",
"unit": "°C",
"min": -40,
"typ": null,
"max": 85,
"conditions": "",
"source_page": 8,
"source": "datasheet"
},
{
"name": "Maximum junction temperature",
"symbol": "TJ",
"kind": "absolute_maximum",
"unit": "°C",
"min": null,
"typ": null,
"max": 125,
"conditions": "",
"source_page": 8,
"source": "datasheet"
},
{
"name": "Storage temperature range",
"symbol": "Tstg",
"kind": "absolute_maximum",
"unit": "°C",
"min": -60,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 8,
"source": "datasheet"
},
{
"name": "Electrostatic discharge, human body model",
"symbol": "V(ESD)",
"kind": "absolute_maximum",
"unit": "V",
"min": -1000,
"typ": null,
"max": 1000,
"conditions": "HBM, per ANSI/ESDA/JEDEC JS-001, all pins",
"source_page": 8,
"source": "datasheet"
},
{
"name": "Electrostatic discharge, charged device model",
"symbol": "V(ESD)",
"kind": "absolute_maximum",
"unit": "V",
"min": -250,
"typ": null,
"max": 250,
"conditions": "CDM, per JEDEC JESD22-C101, all pins",
"source_page": 8,
"source": "datasheet"
},
{
"name": "RX_ANA_SUP AFE analog supply",
"symbol": "RX_ANA_SUP",
"kind": "recommended_operating",
"unit": "V",
"min": 2,
"typ": null,
"max": 3.6,
"conditions": "",
"source_page": 9,
"source": "datasheet"
},
{
"name": "RX_DIG_SUP AFE digital supply",
"symbol": "RX_DIG_SUP",
"kind": "recommended_operating",
"unit": "V",
"min": 2,
"typ": null,
"max": 3.6,
"conditions": "",
"source_page": 9,
"source": "datasheet"
},
{
"name": "TX_CTRL_SUP Transmit controller supply",
"symbol": "TX_CTRL_SUP",
"kind": "recommended_operating",
"unit": "V",
"min": 3,
"typ": null,
"max": 5.25,
"conditions": "",
"source_page": 9,
"source": "datasheet"
},
{
"name": "LED_DRV_SUP Transmit LED driver supply",
"symbol": "LED_DRV_SUP",
"kind": "recommended_operating",
"unit": "V",
"min": 3,
"typ": null,
"max": 5.25,
"conditions": "H-bridge or common anode; minimum is 3.0 or (VHR + VLED + VCABLE), whichever is greater",
"source_page": 9,
"source": "datasheet"
},
{
"name": "Difference between LED_DRV_SUP and TX_CTRL_SUP",
"symbol": "",
"kind": "recommended_operating",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 0.3,
"conditions": "",
"source_page": 9,
"source": "datasheet"
},
{
"name": "Specified temperature range",
"symbol": "",
"kind": "recommended_operating",
"unit": "°C",
"min": -40,
"typ": null,
"max": 85,
"conditions": "",
"source_page": 9,
"source": "datasheet"
},
{
"name": "Junction-to-ambient thermal resistance RθJA",
"symbol": "RθJA",
"kind": "thermal",
"unit": "°C/W",
"min": null,
"typ": 35,
"max": null,
"conditions": "RHA (VQFN) 40 pins",
"source_page": 9,
"source": "datasheet"
},
{
"name": "Junction-to-case (top) thermal resistance RθJC(top)",
"symbol": "RθJC(top)",
"kind": "thermal",
"unit": "°C/W",
"min": null,
"typ": 31,
"max": null,
"conditions": "RHA (VQFN) 40 pins",
"source_page": 9,
"source": "datasheet"
},
{
"name": "Junction-to-board thermal resistance RθJB",
"symbol": "RθJB",
"kind": "thermal",
"unit": "°C/W",
"min": null,
"typ": 26,
"max": null,
"conditions": "RHA (VQFN) 40 pins",
"source_page": 9,
"source": "datasheet"
},
{
"name": "Junction-to-top characterization parameter ψJT",
"symbol": "ψJT",
"kind": "thermal",
"unit": "°C/W",
"min": null,
"typ": 0.1,
"max": null,
"conditions": "RHA (VQFN) 40 pins",
"source_page": 9,
"source": "datasheet"
},
{
"name": "Gain accuracy",
"symbol": "",
"kind": "tolerance",
"unit": "%",
"min": -7,
"typ": null,
"max": 7,
"conditions": "I-V transimpedance amplifier gain",
"source_page": 11,
"source": "datasheet"
},
{
"name": "Feedback resistor tolerance",
"symbol": "RF",
"kind": "tolerance",
"unit": "%",
"min": -7,
"typ": null,
"max": 7,
"conditions": "",
"source_page": 11,
"source": "datasheet"
},
{
"name": "Feedback capacitor tolerance",
"symbol": "CF",
"kind": "tolerance",
"unit": "%",
"min": -20,
"typ": null,
"max": 20,
"conditions": "",
"source_page": 11,
"source": "datasheet"
},
{
"name": "External differential input capacitance",
"symbol": "",
"kind": "electrical",
"unit": "pF",
"min": 10,
"typ": null,
"max": 1000,
"conditions": "Includes equivalent capacitance of photodiode, cables, EMI filter, and so forth",
"source_page": 11,
"source": "datasheet"
},
{
"name": "Shield output voltage",
"symbol": "VO(shield)",
"kind": "electrical",
"unit": "V",
"min": 0.8,
"typ": 0.9,
"max": 1,
"conditions": "With a 1-kΩ series resistor and a 10-nF decoupling capacitor to ground, when loaded with a small current (for example, of a few µA or less)",
"source_page": 11,
"source": "datasheet"
},
{
"name": "Current DAC range",
"symbol": "",
"kind": "electrical",
"unit": "µA",
"min": 0,
"typ": null,
"max": 10,
"conditions": "Ambient cancellation stage",
"source_page": 11,
"source": "datasheet"
},
{
"name": "Current DAC step size",
"symbol": "",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": 1,
"max": null,
"conditions": "Ambient cancellation stage",
"source_page": 11,
"source": "datasheet"
},
{
"name": "ADC full-scale voltage",
"symbol": "",
"kind": "electrical",
"unit": "V",
"min": -1.2,
"typ": null,
"max": 1.2,
"conditions": "ADC full-scale voltage ±1.2 V",
"source_page": 11,
"source": "datasheet"
},
{
"name": "Pulse repetition frequency",
"symbol": "PRF",
"kind": "electrical",
"unit": "SPS",
"min": 62.5,
"typ": null,
"max": 5000,
"conditions": "",
"source_page": 10,
"source": "datasheet"
},
{
"name": "Common-mode rejection ratio, LED1 and LED2",
"symbol": "CMRR",
"kind": "electrical",
"unit": "dB",
"min": 75,
"typ": null,
"max": null,
"conditions": "fCM = 50 Hz and 60 Hz, LED1 and LED2 with RSERIES = 500 kΩ, RF = 500 kΩ",
"source_page": 10,
"source": "datasheet"
},
{
"name": "Common-mode rejection ratio, LED1-AMB and LED2-AMB",
"symbol": "CMRR",
"kind": "electrical",
"unit": "dB",
"min": 95,
"typ": null,
"max": null,
"conditions": "fCM = 50 Hz and 60 Hz, LED1-AMB and LED2-AMB with RSERIES = 500 kΩ, RF = 500 kΩ",
"source_page": 10,
"source": "datasheet"
},
{
"name": "Power-supply rejection ratio",
"symbol": "PSRR",
"kind": "electrical",
"unit": "dB",
"min": 100,
"typ": null,
"max": null,
"conditions": "fPS = 50 Hz, 60 Hz at PRF = 200 Hz",
"source_page": 10,
"source": "datasheet"
},
{
"name": "Power-supply rejection ratio",
"symbol": "PSRR",
"kind": "electrical",
"unit": "dB",
"min": 106,
"typ": null,
"max": null,
"conditions": "fCM = 50 Hz, 60 Hz at PRF = 600 Hz",
"source_page": 10,
"source": "datasheet"
},
{
"name": "PSRR, transmit LED driver",
"symbol": "PSRRLED",
"kind": "electrical",
"unit": "dB",
"min": 75,
"typ": null,
"max": null,
"conditions": "With respect to ripple on LED_DRV_SUP",
"source_page": 10,
"source": "datasheet"
},
{
"name": "PSRR, transmit control",
"symbol": "PSRRTx",
"kind": "electrical",
"unit": "dB",
"min": 60,
"typ": null,
"max": null,
"conditions": "With respect to ripple on TX_CTRL_SUP",
"source_page": 10,
"source": "datasheet"
},
{
"name": "PSRR, receiver",
"symbol": "PSRRRx",
"kind": "electrical",
"unit": "dB",
"min": 60,
"typ": null,
"max": null,
"conditions": "With respect to ripple on RX_ANA_SUP and RX_DIG_SUP",
"source_page": 10,
"source": "datasheet"
},
{
"name": "Transmitter noise dynamic range at 25 mA",
"symbol": "",
"kind": "electrical",
"unit": "dB",
"min": 110,
"typ": null,
"max": null,
"conditions": "0.1-Hz to 20-Hz bandwidth, at 25-mA output current",
"source_page": 11,
"source": "datasheet"
},
{
"name": "Transmitter noise dynamic range at 100 mA",
"symbol": "",
"kind": "electrical",
"unit": "dB",
"min": 110,
"typ": null,
"max": null,
"conditions": "0.1-Hz to 20-Hz bandwidth, at 100-mA output current",
"source_page": 11,
"source": "datasheet"
},
{
"name": "Minimum sample time of LED1 and LED2 pulses",
"symbol": "",
"kind": "electrical",
"unit": "µs",
"min": 50,
"typ": null,
"max": null,
"conditions": "",
"source_page": 11,
"source": "datasheet"
},
{
"name": "LED current DAC error",
"symbol": "",
"kind": "tolerance",
"unit": "%",
"min": -5,
"typ": null,
"max": 5,
"conditions": "",
"source_page": 11,
"source": "datasheet"
},
{
"name": "LED current DAC leakage current",
"symbol": "",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": null,
"max": 1,
"conditions": "LED_ON = 0",
"source_page": 11,
"source": "datasheet"
},
{
"name": "LED current DAC leakage current",
"symbol": "",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": null,
"max": 50,
"conditions": "LED_ON = 1",
"source_page": 11,
"source": "datasheet"
},
{
"name": "LED current DAC linearity",
"symbol": "",
"kind": "electrical",
"unit": "%",
"min": null,
"typ": null,
"max": 0.5,
"conditions": "Percent of full-scale current",
"source_page": 11,
"source": "datasheet"
},
{
"name": "Output current settling time",
"symbol": "",
"kind": "timing",
"unit": "µs",
"min": null,
"typ": null,
"max": 7,
"conditions": "From zero current to 150 mA (with resistive load)",
"source_page": 11,
"source": "datasheet"
},
{
"name": "Duration of diagnostics state machine, slow diagnostics off",
"symbol": "",
"kind": "timing",
"unit": "ms",
"min": null,
"typ": null,
"max": 8,
"conditions": "EN_SLOW_DIAG = 0; start of diagnostics after the DIAG_EN register bit is set, end indicated by DIAG_END going high",
"source_page": 12,
"source": "datasheet"
},
{
"name": "Duration of diagnostics state machine, slow diagnostics on",
"symbol": "",
"kind": "timing",
"unit": "ms",
"min": null,
"typ": null,
"max": 16,
"conditions": "EN_SLOW_DIAG = 1; start of diagnostics after the DIAG_EN register bit is set, end indicated by DIAG_END going high",
"source_page": 12,
"source": "datasheet"
},
{
"name": "Open fault resistance",
"symbol": "",
"kind": "electrical",
"unit": "kΩ",
"min": 100,
"typ": null,
"max": null,
"conditions": "Diagnostics open fault detection threshold",
"source_page": 12,
"source": "datasheet"
},
{
"name": "Short fault resistance",
"symbol": "",
"kind": "electrical",
"unit": "kΩ",
"min": null,
"typ": null,
"max": 10,
"conditions": "Diagnostics short fault detection threshold",
"source_page": 12,
"source": "datasheet"
},
{
"name": "Diagnostics current",
"symbol": "",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": null,
"max": 100,
"conditions": "During diagnostics mode",
"source_page": 12,
"source": "datasheet"
},
{
"name": "Maximum allowable external clock jitter",
"symbol": "",
"kind": "timing",
"unit": "ps",
"min": null,
"typ": null,
"max": 50,
"conditions": "",
"source_page": 12,
"source": "datasheet"
},
{
"name": "External clock input frequency tolerance",
"symbol": "",
"kind": "tolerance",
"unit": "%",
"min": -10,
"typ": null,
"max": 10,
"conditions": "External clock input frequency 8 MHz",
"source_page": 12,
"source": "datasheet"
},
{
"name": "External clock input current",
"symbol": "",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": null,
"max": 1,
"conditions": "",
"source_page": 12,
"source": "datasheet"
},
{
"name": "Logic input current",
"symbol": "IIN",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": null,
"max": 0.1,
"conditions": "Digital inputs at VIH or VIL",
"source_page": 12,
"source": "datasheet"
},
{
"name": "Logic low output voltage",
"symbol": "VOL",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 0.1,
"conditions": "DIAG_END, LED_ALM, PD_ALM, SPI SOMI, ADC_RDY, CLKOUT",
"source_page": 12,
"source": "datasheet"
},
{
"name": "Pin leakage current",
"symbol": "",
"kind": "electrical",
"unit": "nA",
"min": null,
"typ": null,
"max": 1,
"conditions": "To GND and supply",
"source_page": 12,
"source": "datasheet"
}
]
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"afe4490rhat"
],
"discovery_pitch": "AFE4490RHAT (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
"author": {
"name": "Ray",
"email": "[email protected]"
},
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
"page.json",
"README.md",
"afe4490rhat.kicad_sym",
"afe4490rhat.kicad_mod",
"afe4490rhat.glb",
"afe4490rhat.step",
"afe4490rhat.lbr",
"docs/hero.png",
"docs/afe4490rhat-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"afe4490rhat-hero.glb",
"afe4490rhat-hero.overlay.json",
"afe4490rhat-etched.glb"
],
"visibility": {
"public": true
}
}