component
MAX9744ETH+T
Public Made by Adomby adom
MAX Amplifiers, TQFN-44(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"slug": "max9744eth-t",
"version": "0.1.0",
"type": "component",
"description": "MAX Amplifiers, TQFN-44(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"tags": [
"component",
"amplifiers",
"max9744eth+t",
"factory-2.0.0",
"extractor-text"
],
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
"page.json",
"README.md",
"max9744eth-t.kicad_sym",
"max9744eth-t.kicad_mod",
"max9744eth-t.glb",
"max9744eth-t.step",
"max9744eth-t.lbr",
"docs/hero.png",
"docs/max9744eth-t-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"max9744eth-t-hero.glb",
"max9744eth-t-hero.overlay.json",
"max9744eth-t-etched.glb"
],
"component": {
"mpn": "MAX9744ETH+T",
"manufacturer": "MAX",
"package": "TQFN-44(7x7)",
"pin_count": 45,
"category": "Amplifiers",
"subcategory": "Amplifiers",
"datasheet": "https://www.analog.com/media/en/technical-documentation/data-sheets/max9744.pdf",
"parts": {
"symbol": "max9744eth-t.kicad_sym",
"footprint": "max9744eth-t.kicad_mod",
"model_3d": "max9744eth-t-hero.glb",
"model_3d_plain": "max9744eth-t-etched.glb",
"model_3d_step": "max9744eth-t-etched.step",
"model_3d_step_plain": "max9744eth-t.step",
"lbr": "max9744eth-t.lbr"
},
"distributor_links": {
"lcsc": "C2690367",
"digikey": "MAX9744ETH+TTR-ND",
"mouser": "700-MAX9744ETH+T"
},
"distributor_check": {
"checked_at": "2026-10-31T00:37:51Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "MAX9744ETH+TTR-ND",
"status": "found"
},
"mouser": {
"pn": "700-MAX9744ETH+T",
"status": "found",
"lifecycle": "Restricted Availability"
}
},
"pins": [
{
"number": "1",
"name": "BOOTL+",
"type": "passive",
"description": "Left-channel positive speaker output boost flying-capacitor connection; connect a 0.1µF ceramic capacitor between BOOTL+ and OUTL+."
},
{
"number": "2",
"name": "OUTL+",
"type": "output",
"description": "Left-channel speaker output, positive phase."
},
{
"number": "3",
"name": "OUTL+",
"type": "output",
"description": "Left-channel speaker output, positive phase."
},
{
"number": "4",
"name": "PVDD",
"type": "power_in",
"description": "Speaker amplifier power-supply input, 4.5V to 14V; bypass each with a 1µF capacitor to PGND."
},
{
"number": "5",
"name": "PVDD",
"type": "power_in",
"description": "Speaker amplifier power-supply input, 4.5V to 14V; bypass each with a 1µF capacitor to PGND."
},
{
"number": "6",
"name": "VDD",
"type": "power_in",
"description": "Power-supply input for the remainder of the device, 2.7V to 3.6V; bypass each with a 1µF capacitor to GND."
},
{
"number": "7",
"name": "GND",
"type": "power_in",
"description": "Ground."
},
{
"number": "8",
"name": "SDA/VOL",
"type": "bidirectional",
"description": "I2C serial data I/O and analog volume control input."
},
{
"number": "9",
"name": "SCLK/PWM",
"type": "input",
"description": "In I2C mode acts as serial clock input; when ADDR1 and ADDR2 = GND, SCLK = 1 selects standard PWM and SCLK = 0 selects filterless modulation."
},
{
"number": "10",
"name": "VDD",
"type": "power_in",
"description": "Power-supply input for the remainder of the device, 2.7V to 3.6V; bypass each with a 1µF capacitor to GND."
},
{
"number": "11",
"name": "GND",
"type": "power_in",
"description": "Ground."
},
{
"number": "12",
"name": "GND",
"type": "power_in",
"description": "Ground."
},
{
"number": "13",
"name": "ADDR1",
"type": "input",
"description": "Address select input 1 sets the I2C device address; connect ADDR1 and ADDR2 to GND to select analog volume control mode."
},
{
"number": "14",
"name": "ADDR2",
"type": "input",
"description": "Address select input 2 sets the I2C device address; connect ADDR1 and ADDR2 to GND to select analog volume control mode."
},
{
"number": "15",
"name": "GND",
"type": "power_in",
"description": "Ground."
},
{
"number": "16",
"name": "INL",
"type": "input",
"description": "Left-channel audio input."
},
{
"number": "17",
"name": "FBL",
"type": "output",
"description": "Left-channel feedback; connect feedback resistor between FBL and INL to set amplifier gain."
},
{
"number": "18",
"name": "FBR",
"type": "output",
"description": "Right-channel feedback; connect feedback resistor between FBR and INR to set amplifier gain."
},
{
"number": "19",
"name": "INR",
"type": "input",
"description": "Right-channel audio input."
},
{
"number": "20",
"name": "BIAS",
"type": "passive",
"description": "Common-mode bias voltage (1.5V typical); bypass with a 2.2µF capacitor to GND."
},
{
"number": "21",
"name": "VDD",
"type": "power_in",
"description": "Power-supply input for the remainder of the device, 2.7V to 3.6V; bypass each with a 1µF capacitor to GND."
},
{
"number": "22",
"name": "SHDN",
"type": "input",
"description": "Shutdown input; drive low to disable the audio amplifiers, and connect to VDD or drive high for normal operation."
},
{
"number": "23",
"name": "N.C.",
"type": "unconnected",
"description": "No connection; not internally connected."
},
{
"number": "24",
"name": "MUTE",
"type": "input",
"description": "Mute input; drive high to mute the speaker outputs, and connect to GND for normal operation."
},
{
"number": "25",
"name": "SYNC",
"type": "input",
"description": "Frequency select and external clock input: GND selects 1200kHz fixed-frequency, unconnected selects 1440kHz, VDD selects spread-spectrum 1200kHz ±30kHz, and a clock of 1000kHz to 1600kHz synchronizes the device with fSW = 1/4 fSYNC."
},
{
"number": "26",
"name": "SYNCOUT",
"type": "output",
"description": "SYNC signal output for cascading devices."
},
{
"number": "27",
"name": "GND",
"type": "power_in",
"description": "Ground."
},
{
"number": "28",
"name": "VDD",
"type": "power_in",
"description": "Power-supply input for the remainder of the device, 2.7V to 3.6V; bypass each with a 1µF capacitor to GND."
},
{
"number": "29",
"name": "PVDD",
"type": "power_in",
"description": "Speaker amplifier power-supply input, 4.5V to 14V; bypass each with a 1µF capacitor to PGND."
},
{
"number": "30",
"name": "PVDD",
"type": "power_in",
"description": "Speaker amplifier power-supply input, 4.5V to 14V; bypass each with a 1µF capacitor to PGND."
},
{
"number": "31",
"name": "OUTR+",
"type": "output",
"description": "Right-channel positive speaker output."
},
{
"number": "32",
"name": "OUTR+",
"type": "output",
"description": "Right-channel positive speaker output."
},
{
"number": "33",
"name": "BOOTR+",
"type": "passive",
"description": "Right-channel positive speaker output boost flying-capacitor connection; connect a 0.1µF ceramic capacitor between BOOTR+ and OUTR+."
},
{
"number": "34",
"name": "PGND",
"type": "power_in",
"description": "Power ground."
},
{
"number": "35",
"name": "PGND",
"type": "power_in",
"description": "Power ground."
},
{
"number": "36",
"name": "OUTR-",
"type": "output",
"description": "Right-channel negative speaker output."
},
{
"number": "37",
"name": "OUTR-",
"type": "output",
"description": "Right-channel negative speaker output."
},
{
"number": "38",
"name": "BOOTR-",
"type": "passive",
"description": "Right-channel negative speaker output boost flying-capacitor connection; connect a 0.1µF ceramic capacitor between BOOTR- and OUTR-."
},
{
"number": "39",
"name": "PGND",
"type": "power_in",
"description": "Power ground."
},
{
"number": "40",
"name": "BOOTL-",
"type": "passive",
"description": "Left-channel negative speaker output boost flying-capacitor connection; connect a 0.1µF ceramic capacitor between BOOTL- and OUTL-."
},
{
"number": "41",
"name": "OUTL-",
"type": "output",
"description": "Left-channel negative speaker output."
},
{
"number": "42",
"name": "OUTL-",
"type": "output",
"description": "Left-channel negative speaker output."
},
{
"number": "43",
"name": "PGND",
"type": "power_in",
"description": "Power ground."
},
{
"number": "44",
"name": "PGND",
"type": "power_in",
"description": "Power ground."
},
{
"number": "45",
"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 MPN given is MAX9744ETH+T (tape-and-reel suffix). The datasheet ordering table lists MAX9744ETH+; The exposed pad (EP) is not a numbered pin. It is listed as 'EP' for completeness and should be trea; The datasheet does not give electrical pin types. Types for BOOT pins (passive), BIAS (passive), and",
"exposed pad 45 added from the footprint",
"dropped thermal pad ['EP'] absent from footprint"
],
"pages_sent": 11,
"cost_usd": 0.0882,
"at": "2026-10-31T00:37:35"
},
"datasheet": {
"url": "https://www.analog.com/media/en/technical-documentation/data-sheets/max9744.pdf",
"pages": 28,
"sha256": "0af23e8c2d55295d",
"source_tier": "mfr"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 45,
"described": 45,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "max9744eth-t.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
7.0,
7.0,
0.77
],
"zmin_mm": 0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "e095902326bdaee7dcc9926c9d1613852bfa37bad68a82560157ca7fe509925a",
"checked": "2026-10-31",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "max9744eth-t-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
7.0,
7.0,
0.77
],
"zmin_mm": 0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "747ba5c7d78708f3e71bad70a448fec7c1d1715e782b39cc6119e26362a01fe9",
"checked": "2026-10-31",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
}
}