component
PCM1774RGPR
Public Made by Adomby adom
Texas Instruments ADCs/DACs - Special Purpose, QFN-20(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"schema_version": 1,
"type": "component",
"slug": "pcm1774rgpr",
"title": "PCM1774RGPR",
"brief": "Texas Instruments ADCs/DACs - Special Purpose, QFN-20(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"version": "0.1.0",
"license": "CC-BY-SA-4.0",
"tags": [
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"data acquisition",
"pcm1774rgpr",
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],
"component": {
"mpn": "PCM1774RGPR",
"manufacturer": "Texas Instruments",
"package": "QFN-20(4x4)",
"pin_count": 21,
"category": "Data Acquisition",
"subcategory": "ADCs/DACs - Special Purpose",
"datasheet": "https://www.ti.com/cn/lit/gpn/pcm1774",
"parts": {
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"footprint": "pcm1774rgpr.kicad_mod",
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"model_3d_step": "pcm1774rgpr-etched.step",
"model_3d_step_plain": "pcm1774rgpr.step",
"lbr": "pcm1774rgpr.lbr"
},
"distributor_links": {
"lcsc": "C2651659",
"digikey": "296-46175-2-ND",
"mouser": "595-PCM1774RGPR"
},
"distributor_check": {
"checked_at": "2026-10-08T01:13:30Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "296-46175-2-ND",
"status": "found"
},
"mouser": {
"pn": "595-PCM1774RGPR",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "MODE",
"type": "input",
"description": "Two- or three-wire interface selection: LOW selects SPI, HIGH selects I2C."
},
{
"number": "2",
"name": "MS/ADR",
"type": "input",
"description": "Mode control select for the three-wire/two-wire interface."
},
{
"number": "3",
"name": "MD/SDA",
"type": "bidirectional",
"description": "Mode control data for the three-wire/two-wire interface (SDA in I2C mode)."
},
{
"number": "4",
"name": "MC/SCL",
"type": "input",
"description": "Mode control clock for the three-wire/two-wire interface (SCL in I2C mode)."
},
{
"number": "5",
"name": "DIN",
"type": "input",
"description": "Serial audio data input."
},
{
"number": "6",
"name": "VIO",
"type": "power_in",
"description": "Power supply for digital I/O, 1.71 V to 3.6 V."
},
{
"number": "7",
"name": "VDD",
"type": "power_in",
"description": "Power supply for digital core, 1.71 V to 3.6 V."
},
{
"number": "8",
"name": "DGND",
"type": "power_in",
"description": "Digital ground."
},
{
"number": "9",
"name": "SCKI",
"type": "input",
"description": "System clock input; supports common-audio clock frequencies from 12 MHz to 39.36 MHz (256 fS/384 fS)."
},
{
"number": "10",
"name": "BCK",
"type": "bidirectional",
"description": "Serial bit clock."
},
{
"number": "11",
"name": "LRCK",
"type": "bidirectional",
"description": "Left and right channel clock."
},
{
"number": "12",
"name": "PGND",
"type": "power_in",
"description": "Ground for the speaker power amplifier."
},
{
"number": "13",
"name": "VPA",
"type": "power_in",
"description": "Power supply for the power amplifier, 2.4 V to 3.6 V."
},
{
"number": "14",
"name": "HPOR/LOR",
"type": "output",
"description": "Headphone/line output for the L-channel, as labeled in Table 1."
},
{
"number": "15",
"name": "HPOL/LOL",
"type": "output",
"description": "Headphone/line output for the R-channel, as labeled in Table 1."
},
{
"number": "16",
"name": "VCOM",
"type": "passive",
"description": "Analog common voltage."
},
{
"number": "17",
"name": "AGND",
"type": "power_in",
"description": "Ground for analog circuitry."
},
{
"number": "18",
"name": "VCC",
"type": "power_in",
"description": "Analog power supply, 2.4 V to 3.6 V."
},
{
"number": "19",
"name": "AIN1R",
"type": "input",
"description": "Analog input 1 for the R-channel."
},
{
"number": "20",
"name": "AIN1L",
"type": "input",
"description": "Analog input 1 for the L-channel."
},
{
"number": "21",
"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: Table 1 gives no I/O type for VCOM (listed only as '–'); 'passive' was assigned as an assumption. Ve; Table 1 labels pin 14 as HPOR/LOR and describes it as the L-channel, and pin 15 as HPOL/LOL describe; The pin-assignment diagram text on page 5 is garbled in extraction; pin numbers were taken from the ",
"exposed pad 21 added from the footprint"
],
"pages_sent": 7,
"cost_usd": 0.0465,
"at": "2026-10-08T01:13:15"
},
"datasheet": {
"url": "https://www.ti.com/cn/lit/gpn/pcm1774",
"pages": 50,
"sha256": "89cd3f8c7b01041e",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 21,
"described": 21,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "pcm1774rgpr.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
4,
4,
0.77
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "c9476a1612023de37f27b4972110ab6ac6dc0eaf5ac48957a2e1c497650082a5",
"checked": "2026-10-08",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "pcm1774rgpr-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,
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"footprint_binding": "identity",
"sha256": "5690303c2f1dd3458a046224a833b57c4c2f087e7027ab71d3e5334c01de60f1",
"checked": "2026-10-08",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "Texas Instruments",
"Package": "QFN-20(4x4)",
"Category": "Data Acquisition",
"Pins": "21"
}
},
"variants": [],
"sections": [
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],
"discovery_triggers": [
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],
"discovery_pitch": "PCM1774RGPR (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
"author": {
"name": "Ray",
"email": "[email protected]"
},
"dependencies": {},
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"files": [
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"docs/hero.png",
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"viewers/symbol.html",
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"visibility": {
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}
}