component
MAX9850ETI+T
Public Made by Adomby adom
Analog Devices Inc./Maxim Integrated Audio Power OpAmps, TQFN-28(5x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"slug": "max9850eti-t",
"version": "0.1.0",
"type": "component",
"description": "Analog Devices Inc./Maxim Integrated Audio Power OpAmps, TQFN-28(5x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"tags": [
"component",
"operational amplifier-comparator",
"max9850eti+t",
"factory-2.0.0",
"extractor-text"
],
"dependencies": {},
"hero": {
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"component": {
"mpn": "MAX9850ETI+T",
"manufacturer": "Analog Devices Inc./Maxim Integrated",
"package": "TQFN-28(5x5)",
"pin_count": 29,
"category": "Operational Amplifier/Comparator",
"subcategory": "Audio Power OpAmps",
"datasheet": "https://www.analog.com/media/en/technical-documentation/data-sheets/MAX9850.pdf",
"parts": {
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"footprint": "max9850eti-t.kicad_mod",
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"model_3d_step": "max9850eti-t-etched.step",
"model_3d_step_plain": "max9850eti-t.step",
"lbr": "max9850eti-t.lbr"
},
"distributor_links": {
"lcsc": "C7454362",
"digikey": "MAX9850ETI+TTR-ND",
"mouser": "700-MAX9850ETI+T"
},
"distributor_check": {
"checked_at": "2026-10-30T19:10:40Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "MAX9850ETI+TTR-ND",
"status": "found"
},
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"pn": "700-MAX9850ETI+T",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "LRCLK",
"type": "bidirectional",
"description": "Digital audio left-right clock that sets whether SDIN data goes to the left or right channel; it is an input in slave mode and an output in master mode."
},
{
"number": "2",
"name": "BCLK",
"type": "bidirectional",
"description": "Digital audio bit clock that is an input in slave mode and an output in master mode."
},
{
"number": "3",
"name": "SDIN",
"type": "input",
"description": "Digital audio serial data input."
},
{
"number": "4",
"name": "DVDD",
"type": "power_in",
"description": "Digital power-supply input, specified at 1.8V to 3.6V, to be bypassed to DGND with a 1µF ceramic capacitor."
},
{
"number": "5",
"name": "MCLK",
"type": "input",
"description": "Master clock input from which all internal digital clocks are derived (up to 40MHz per the features list)."
},
{
"number": "6",
"name": "DGND",
"type": "power_in",
"description": "Digital ground."
},
{
"number": "7",
"name": "ADD",
"type": "input",
"description": "I2C address-select input; connect to AGND, AVDD, or SDA to select one of three possible I2C addresses."
},
{
"number": "8",
"name": "GPIO",
"type": "bidirectional",
"description": "General-purpose input/output configured as input or output through the GPIO register, and can generate an interrupt when configured as an output."
},
{
"number": "9",
"name": "INR",
"type": "input",
"description": "Right-channel line input that is mixed with the right DAC output."
},
{
"number": "10",
"name": "INL",
"type": "input",
"description": "Left-channel line input that is mixed with the left DAC output."
},
{
"number": "11",
"name": "OUTR",
"type": "output",
"description": "Line-level right-channel output biased at AGND."
},
{
"number": "12",
"name": "OUTL",
"type": "output",
"description": "Line-level left-channel output biased at AGND."
},
{
"number": "13",
"name": "REF",
"type": "output",
"description": "Reference output, to be bypassed to AGND with a 1µF ceramic capacitor."
},
{
"number": "14",
"name": "AGND",
"type": "power_in",
"description": "Analog ground."
},
{
"number": "15",
"name": "NREG",
"type": "power_out",
"description": "Line-output negative regulator output, to be bypassed to AGND with a 1µF capacitor."
},
{
"number": "16",
"name": "PREG",
"type": "power_out",
"description": "Line-output positive regulator output, to be bypassed to AGND with a 1µF capacitor."
},
{
"number": "17",
"name": "AVDD",
"type": "power_in",
"description": "Analog power supply, specified at 1.8V to 3.6V, to be bypassed to AGND with a 1µF ceramic capacitor."
},
{
"number": "18",
"name": "HPR",
"type": "output",
"description": "Right-channel DirectDrive headphone output biased at AGND."
},
{
"number": "19",
"name": "HPL",
"type": "output",
"description": "Left-channel DirectDrive headphone output biased at AGND."
},
{
"number": "20",
"name": "SVSS",
"type": "power_in",
"description": "Headphone amplifier negative power-supply input, to be connected to PVSS."
},
{
"number": "21",
"name": "HPS",
"type": "input",
"description": "Headphone sense input for automatic headphone sensing, to be connected to the jack control pin and left floating if unused."
},
{
"number": "22",
"name": "PVSS",
"type": "power_out",
"description": "Inverting charge-pump output, to be bypassed to PGND with a 2.2µF ceramic capacitor and connected to SVSS to supply the headphone amplifiers."
},
{
"number": "23",
"name": "C1N",
"type": "passive",
"description": "Charge-pump flying capacitor negative terminal; a 0.47µF ceramic capacitor connects between C1N and C1P."
},
{
"number": "24",
"name": "PGND",
"type": "power_in",
"description": "Charge-pump ground."
},
{
"number": "25",
"name": "C1P",
"type": "passive",
"description": "Charge-pump flying capacitor positive terminal; a 0.47µF ceramic capacitor connects between C1P and C1N."
},
{
"number": "26",
"name": "PVDD",
"type": "power_in",
"description": "Charge-pump and headphone amplifier positive power-supply input, to be bypassed to PGND with 1µF and connected to AVDD for normal operation."
},
{
"number": "27",
"name": "SCL",
"type": "input",
"description": "I2C-compatible serial clock input."
},
{
"number": "28",
"name": "SDA",
"type": "bidirectional",
"description": "I2C-compatible serial data input/output."
},
{
"number": "29",
"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 requested MPN ends in +T (tape-and-reel). The datasheet ordering table lists only MAX9850ETI+ (2; The exposed pad is printed as '— EP' in the pin table, not as a numbered pin. It is listed here as n; LRCLK and BCLK are typed as bidirectional because the datasheet gives them as input in slave mode an",
"exposed pad 29 added from the footprint",
"dropped thermal pad ['EP'] absent from footprint"
],
"pages_sent": 8,
"cost_usd": 0.0608,
"at": "2026-10-30T19:10:27"
},
"datasheet": {
"url": "https://www.analog.com/media/en/technical-documentation/data-sheets/MAX9850.pdf",
"pages": 36,
"sha256": "4e3255799108e3d5",
"source_tier": "mfr"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 29,
"described": 29,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
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"zmin_mm": 0.0,
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"footprint_binding": "identity",
"sha256": "e9d6d740f505b03e5aa0ac826330f9e269344b84656d051f50eb07ac162749eb",
"checked": "2026-10-30",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
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}
}