component
MAX98091ETM+
Public Made by Adomby adom
Maxim Integrated Audio Interface ICs, TQFN-48(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": "max98091etm",
"title": "MAX98091ETM+",
"brief": "Maxim Integrated Audio Interface ICs, TQFN-48(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",
"interface ics",
"max98091etm+",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "MAX98091ETM+",
"manufacturer": "Maxim Integrated",
"package": "TQFN-48(6x6)",
"pin_count": 49,
"category": "Interface ICs",
"subcategory": "Audio Interface ICs",
"datasheet": "https://www.analog.com/media/en/technical-documentation/data-sheets/MAX98091.pdf",
"parts": {
"symbol": "max98091etm.kicad_sym",
"footprint": "max98091etm.kicad_mod",
"model_3d": "max98091etm-hero.glb",
"model_3d_plain": "max98091etm-etched.glb",
"model_3d_step": "max98091etm-etched.step",
"model_3d_step_plain": "max98091etm.step",
"lbr": "max98091etm.lbr"
},
"distributor_links": {
"lcsc": "C1521521",
"digikey": "MAX98091ETM+-ND",
"mouser": "700-MAX98091ETM+"
},
"distributor_check": {
"checked_at": "2026-10-28T15:50:23Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "MAX98091ETM+-ND",
"status": "found"
},
"mouser": {
"pn": "700-MAX98091ETM+",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "C1N",
"type": "passive",
"description": "Charge-pump flying capacitor negative terminal; connect a 1µF ceramic capacitor between C1N and C1P."
},
{
"number": "2",
"name": "HPGND",
"type": "power_in",
"description": "Headphone ground."
},
{
"number": "3",
"name": "CPVSS",
"type": "power_out",
"description": "Inverting charge-pump output; bypass to HPGND with a 1µF ceramic capacitor."
},
{
"number": "4",
"name": "CPVDD",
"type": "power_out",
"description": "Noninverting charge-pump output; bypass to HPGND with a 1µF ceramic capacitor."
},
{
"number": "5",
"name": "HPL",
"type": "output",
"description": "Left-channel headphone output."
},
{
"number": "6",
"name": "HPSNS",
"type": "input",
"description": "Headphone amplifier ground sense; connect to the headphone jack ground terminal or to ground."
},
{
"number": "7",
"name": "HPR",
"type": "output",
"description": "Right-channel headphone output."
},
{
"number": "8",
"name": "JACKSNS",
"type": "input",
"description": "Jack detection input; connect to the microphone terminal of the headset jack to detect jack activity."
},
{
"number": "9",
"name": "RCVP/LOUTL",
"type": "output",
"description": "Positive earpiece amplifier output / left line output."
},
{
"number": "10",
"name": "RCVN/LOUTR",
"type": "output",
"description": "Negative earpiece amplifier output / right line output."
},
{
"number": "11",
"name": "SPKRGND",
"type": "power_in",
"description": "Right speaker amplifier ground."
},
{
"number": "12",
"name": "SPKRN",
"type": "output",
"description": "Negative right-channel Class D speaker output."
},
{
"number": "13",
"name": "SPKRP",
"type": "output",
"description": "Positive right-channel Class D speaker output."
},
{
"number": "14",
"name": "SPKVDD",
"type": "power_in",
"description": "Speaker and microphone bias power supply; bypass each to SPK_GND with 1µF plus a single shared 10µF bulk capacitor."
},
{
"number": "15",
"name": "SPKVDD",
"type": "power_in",
"description": "Speaker and microphone bias power supply; bypass each to SPK_GND with 1µF plus a single shared 10µF bulk capacitor."
},
{
"number": "16",
"name": "N.C.",
"type": "unconnected",
"description": "No connection; not internally connected."
},
{
"number": "17",
"name": "SPKLN",
"type": "output",
"description": "Negative left-channel Class D speaker output."
},
{
"number": "18",
"name": "SPKLP",
"type": "output",
"description": "Positive left-channel Class D speaker output."
},
{
"number": "19",
"name": "SPKLGND",
"type": "power_in",
"description": "Left speaker amplifier ground."
},
{
"number": "20",
"name": "IN2/DMC1",
"type": "input",
"description": "Negative differential microphone 1 input or single-ended line input 2; AC-couple with a series 1µF capacitor; can be retasked as digital microphone 1 clock output."
},
{
"number": "21",
"name": "IN1/DMD1",
"type": "input",
"description": "Positive differential microphone 1 input or single-ended line input 1; AC-couple with a series 1µF capacitor; can be retasked as digital microphone 1 data input."
},
{
"number": "22",
"name": "N.C.",
"type": "unconnected",
"description": "No connection; not internally connected."
},
{
"number": "23",
"name": "IN3",
"type": "input",
"description": "Positive differential microphone 2 input or single-ended line input 3; AC-couple with a series 1µF capacitor."
},
{
"number": "24",
"name": "N.C.",
"type": "unconnected",
"description": "No connection; not internally connected."
},
{
"number": "25",
"name": "IN5/DMD2",
"type": "input",
"description": "Auxiliary positive differential microphone input or single-ended line input; AC-couple with a series 1µF capacitor; can be retasked as digital microphone 2 data input."
},
{
"number": "26",
"name": "IN4",
"type": "input",
"description": "Negative differential microphone 2 input or single-ended line input 4; AC-couple with a series 1µF capacitor."
},
{
"number": "27",
"name": "IN6/DMC2",
"type": "input",
"description": "Auxiliary negative differential microphone input or single-ended line input; AC-couple with a series 1µF capacitor; can be retasked as digital microphone 2 clock output."
},
{
"number": "28",
"name": "MICBIAS",
"type": "power_out",
"description": "Low-noise microphone bias voltage output; bypass to SPKLGND with 1µF; an external resistor in the 2.2kΩ to 1kΩ range sets the microphone current."
},
{
"number": "29",
"name": "REF",
"type": "passive",
"description": "Converter reference; bypass to AGND with a 2.2µF capacitor."
},
{
"number": "30",
"name": "BIAS",
"type": "passive",
"description": "Common-mode reference voltage; bypass to AGND with a 1µF capacitor."
},
{
"number": "31",
"name": "AGND",
"type": "power_in",
"description": "Analog ground."
},
{
"number": "32",
"name": "AVDD",
"type": "power_in",
"description": "Analog power supply; bypass to AGND with a 1µF capacitor."
},
{
"number": "33",
"name": "N.C.",
"type": "unconnected",
"description": "No connection; not internally connected."
},
{
"number": "34",
"name": "N.C.",
"type": "unconnected",
"description": "No connection; not internally connected."
},
{
"number": "35",
"name": "N.C.",
"type": "unconnected",
"description": "No connection; not internally connected."
},
{
"number": "36",
"name": "DVDD",
"type": "power_in",
"description": "Digital power supply; bypass to DGND with a 1µF capacitor."
},
{
"number": "37",
"name": "DGND",
"type": "power_in",
"description": "Digital ground."
},
{
"number": "38",
"name": "DVDDIO",
"type": "power_in",
"description": "Digital audio interface power supply input; bypass to DGND with a 1µF capacitor."
},
{
"number": "39",
"name": "SDOUT",
"type": "output",
"description": "Digital audio serial-data ADC output; output voltage referenced to DVDDIO."
},
{
"number": "40",
"name": "SDIN",
"type": "input",
"description": "Digital audio serial-data DAC input; input voltage referenced to DVDDIO."
},
{
"number": "41",
"name": "LRCLK",
"type": "bidirectional",
"description": "Digital audio left-right clock; input in slave mode and output in master mode; referenced to DVDDIO."
},
{
"number": "42",
"name": "BCLK",
"type": "bidirectional",
"description": "Digital audio bit clock; input in slave mode and output in master mode; referenced to DVDDIO."
},
{
"number": "43",
"name": "IRQ",
"type": "output",
"description": "Active-low hardware interrupt output; connect a 10kΩ pullup resistor to VDD."
},
{
"number": "44",
"name": "MCLK",
"type": "input",
"description": "Master clock input; acceptable input frequency range is 10MHz to 60MHz."
},
{
"number": "45",
"name": "SCL",
"type": "input",
"description": "I2C serial-clock input; connect a pullup resistor to DVDD for full output swing."
},
{
"number": "46",
"name": "SDA",
"type": "bidirectional",
"description": "I2C serial-data input/output; connect a pullup resistor to DVDD for full output swing."
},
{
"number": "47",
"name": "HPVDD",
"type": "power_in",
"description": "Headphone power supply; bypass to HPGND with a 10µF bulk capacitor in parallel with a 0.1µF capacitor placed as close as possible to the device."
},
{
"number": "48",
"name": "C1P",
"type": "passive",
"description": "Charge-pump flying capacitor positive terminal; connect a 1µF ceramic capacitor between C1N and C1P."
},
{
"number": "49",
"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: Pinout taken from the 48-TQFN bump/pin table (pages 69-71). Page 69 gives the package as 6mm x 6mm x"
],
"pages_sent": 17,
"cost_usd": 0.0562,
"at": "2026-10-28T15:49:51"
},
"datasheet": {
"url": "https://www.analog.com/media/en/technical-documentation/data-sheets/MAX98091.pdf",
"pages": 178,
"sha256": "5892bdd78a17bc0e",
"source_tier": "mfr"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 49,
"described": 49,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "max98091etm.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
6.02,
6.02,
0.9
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "67f1ee84e33ff5c09c55177d8e6f13851fdc8173e66456aa5ba87f896edae373",
"checked": "2026-10-28",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "max98091etm-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
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"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "3be79ea3683596f37a3dca9c44974f04e042c8b7fda0117ef032ab47a71aa857",
"checked": "2026-10-28",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "Maxim Integrated",
"Package": "TQFN-48(6x6)",
"Category": "Interface ICs",
"Pins": "49"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "5892bdd78a17bc0e494e0243ac6d4a85476185a05ccd359c3628fe0081e5aa0a",
"rows": [
{
"name": "Supply Voltage Range",
"symbol": "VSPKVDD",
"kind": "recommended_operating",
"unit": "V",
"min": 2.8,
"typ": 3.7,
"max": 5.5,
"conditions": "Guaranteed by PSRR (Note 3)",
"source_page": 11,
"source": "datasheet"
},
{
"name": "Supply Voltage Range",
"symbol": "VAVDD, VHPVDD",
"kind": "recommended_operating",
"unit": "V",
"min": 1.65,
"typ": 1.8,
"max": 2,
"conditions": "",
"source_page": 11,
"source": "datasheet"
},
{
"name": "Supply Voltage Range (TQFN)",
"symbol": "VDVDD",
"kind": "recommended_operating",
"unit": "V",
"min": 1.08,
"typ": 1.2,
"max": 1.65,
"conditions": "TQFN package",
"source_page": 11,
"source": "datasheet"
},
{
"name": "Supply Voltage Range",
"symbol": "VDVDDIO",
"kind": "recommended_operating",
"unit": "V",
"min": 1.65,
"typ": 1.8,
"max": 3.6,
"conditions": "",
"source_page": 11,
"source": "datasheet"
},
{
"name": "Operating Temperature Range",
"symbol": "",
"kind": "recommended_operating",
"unit": "°C",
"min": -40,
"typ": null,
"max": 85,
"conditions": "",
"source_page": 11,
"source": "datasheet"
},
{
"name": "Absolute Maximum Voltage AVDD, DVDD, HPVDD",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 2.2,
"conditions": "Voltages with respect to AGND",
"source_page": 11,
"source": "datasheet"
},
{
"name": "Absolute Maximum Voltage SPKVDD, DVDDIO",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 6,
"conditions": "Voltages with respect to AGND",
"source_page": 11,
"source": "datasheet"
},
{
"name": "Absolute Maximum Voltage DGND, HPGND, SPKLGND, SPKRGND",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.1,
"typ": null,
"max": 0.1,
"conditions": "Voltages with respect to AGND",
"source_page": 11,
"source": "datasheet"
},
{
"name": "Absolute Maximum Voltage MCLK, SDIN, SDA, SCL, IRQ",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 6,
"conditions": "Voltages with respect to AGND",
"source_page": 11,
"source": "datasheet"
},
{
"name": "Absolute Maximum Voltage IN1-IN6",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 2.2,
"conditions": "Voltages with respect to AGND",
"source_page": 11,
"source": "datasheet"
},
{
"name": "Absolute Maximum Voltage JACKSNS",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 6,
"conditions": "Voltages with respect to AGND",
"source_page": 11,
"source": "datasheet"
},
{
"name": "Storage Temperature Range",
"symbol": "",
"kind": "absolute_maximum",
"unit": "°C",
"min": -65,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 11,
"source": "datasheet"
},
{
"name": "Shutdown Supply Current Analog",
"symbol": "IVDD",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": 1,
"max": 10,
"conditions": "TA = +25°C",
"source_page": 12,
"source": "datasheet"
},
{
"name": "Shutdown Supply Current Speaker",
"symbol": "ISPKVDD",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": 1,
"max": 5,
"conditions": "TA = +25°C",
"source_page": 12,
"source": "datasheet"
},
{
"name": "Shutdown Supply Current Digital",
"symbol": "IDVDD",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": 2.1,
"max": 5,
"conditions": "TA = +25°C",
"source_page": 12,
"source": "datasheet"
},
{
"name": "Quiescent Supply Current Analog",
"symbol": "IVDD",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 1.45,
"max": 2,
"conditions": "DAC playback 48kHz stereo, headphone outputs",
"source_page": 11,
"source": "datasheet"
},
{
"name": "Quiescent Supply Current Digital",
"symbol": "IVDD",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 1.04,
"max": 1.5,
"conditions": "DAC playback 48kHz stereo, headphone outputs",
"source_page": 11,
"source": "datasheet"
},
{
"name": "MICBIAS Output Voltage",
"symbol": "VMICBIAS",
"kind": "electrical",
"unit": "V",
"min": 2.1,
"typ": 2.2,
"max": 2.29,
"conditions": "ILOAD = 1mA, MBVSEL[1:0] = 00",
"source_page": 13,
"source": "datasheet"
},
{
"name": "MICBIAS Output Voltage",
"symbol": "VMICBIAS",
"kind": "electrical",
"unit": "V",
"min": 2.29,
"typ": 2.4,
"max": 2.46,
"conditions": "ILOAD = 1mA, MBVSEL[1:0] = 01",
"source_page": 13,
"source": "datasheet"
},
{
"name": "MICBIAS Output Voltage",
"symbol": "VMICBIAS",
"kind": "electrical",
"unit": "V",
"min": 2.46,
"typ": 2.57,
"max": 2.69,
"conditions": "ILOAD = 1mA, MBVSEL[1:0] = 10",
"source_page": 13,
"source": "datasheet"
},
{
"name": "MICBIAS Output Voltage",
"symbol": "VMICBIAS",
"kind": "electrical",
"unit": "V",
"min": 2.69,
"typ": 2.8,
"max": 2.9,
"conditions": "ILOAD = 1mA, MBVSEL[1:0] = 11",
"source_page": 13,
"source": "datasheet"
},
{
"name": "Microphone Preamplifier Gain",
"symbol": "AV_MICPRE",
"kind": "electrical",
"unit": "dB",
"min": 19,
"typ": 20,
"max": 21,
"conditions": "PA_EN[1:0] = 10",
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