component
PT7313E
Public Made by Adomby adom
PTC(Princeton Tech) Audio Interface ICs, SOP-28-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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"mpn": "PT7313E",
"manufacturer": "PTC(Princeton Tech)",
"package": "SOP-28-300mil",
"pin_count": 28,
"category": "Interface ICs",
"subcategory": "Audio Interface ICs",
"datasheet": "https://datasheet.lcsc.com/datasheet/pdf/9c7bacac9fb94031b583798a3871481e.pdf",
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"distributor_links": {
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"distributor_check": {
"checked_at": "2026-10-27T06:10:36Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "no match"
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"mouser": {
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"pins": [
{
"number": "1",
"name": "REF",
"type": "passive",
"description": "Analog reference voltage at 1/2VDD; its external capacitor (CREF) sets the I2C initial time after power-on."
},
{
"number": "2",
"name": "VDD",
"type": "power_in",
"description": "Supply input voltage, specified from 4V to 10V with 10V as the absolute maximum."
},
{
"number": "3",
"name": "AGND",
"type": "power_in",
"description": "Analog ground reference for the audio signal paths."
},
{
"number": "4",
"name": "TREB_L",
"type": "input",
"description": "Left channel input for the treble controller."
},
{
"number": "5",
"name": "TREB_R",
"type": "input",
"description": "Right channel input for the treble controller."
},
{
"number": "6",
"name": "RIN",
"type": "input",
"description": "Right channel volume controller input."
},
{
"number": "7",
"name": "ROUT",
"type": "output",
"description": "Right channel input selector output, requiring a minimum load of 5 kΩ."
},
{
"number": "8",
"name": "LOUD_R",
"type": "input",
"description": "Right channel loudness input."
},
{
"number": "9",
"name": "RIN3",
"type": "input",
"description": "Right channel input 3 to the input selector."
},
{
"number": "10",
"name": "RIN2",
"type": "input",
"description": "Right channel input 2 to the input selector."
},
{
"number": "11",
"name": "RIN1",
"type": "input",
"description": "Right channel input 1 to the input selector."
},
{
"number": "12",
"name": "LOUD_L",
"type": "input",
"description": "Left channel loudness input."
},
{
"number": "13",
"name": "LIN3",
"type": "input",
"description": "Left channel input 3 to the input selector."
},
{
"number": "14",
"name": "LIN2",
"type": "input",
"description": "Left channel input 2 to the input selector."
},
{
"number": "15",
"name": "LIN1",
"type": "input",
"description": "Left channel input 1 to the input selector."
},
{
"number": "16",
"name": "LIN",
"type": "input",
"description": "Left channel volume controller input."
},
{
"number": "17",
"name": "LOUT",
"type": "output",
"description": "Left channel input selector output, requiring a minimum load of 5 kΩ."
},
{
"number": "18",
"name": "BIN_L",
"type": "input",
"description": "Left channel input for the bass controller."
},
{
"number": "19",
"name": "BOUT_L",
"type": "output",
"description": "Left channel output of the bass controller."
},
{
"number": "20",
"name": "BIN_R",
"type": "input",
"description": "Right channel input for the bass controller."
},
{
"number": "21",
"name": "BOUT_R",
"type": "output",
"description": "Right channel output of the bass controller."
},
{
"number": "22",
"name": "RROUT",
"type": "output",
"description": "Right rear speaker output."
},
{
"number": "23",
"name": "LROUT",
"type": "output",
"description": "Left rear speaker output."
},
{
"number": "24",
"name": "RFOUT",
"type": "output",
"description": "Right front speaker output."
},
{
"number": "25",
"name": "LFOUT",
"type": "output",
"description": "Left front speaker output."
},
{
"number": "26",
"name": "DGND",
"type": "power_in",
"description": "Digital ground for the I2C control logic."
},
{
"number": "27",
"name": "SDA",
"type": "bidirectional",
"description": "I2C data line; the datasheet lists it as the I2C data input, and the slave pulls it low for acknowledge with a 0.4 V pull-down voltage at 3 kΩ pull-up."
},
{
"number": "28",
"name": "SCL",
"type": "input",
"description": "I2C clock input; data on SDA is valid only while SCL is HIGH."
}
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"at": "2026-10-27T06:10:20"
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"sha256": "1a75d924b985be35",
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"cad": "KiCad official (CC-BY-SA 4.0)",
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