component
PCM2912APJT
Public Made by Adomby adom
Texas Instruments Audio Interface ICs, TQFP-32(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"slug": "pcm2912apjt",
"version": "0.1.0",
"type": "component",
"description": "Texas Instruments Audio Interface ICs, TQFP-32(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"tags": [
"component",
"interface",
"pcm2912apjt",
"factory-2.0.0",
"extractor-text"
],
"dependencies": {},
"hero": {
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"path": "docs/hero.png"
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],
"component": {
"mpn": "PCM2912APJT",
"manufacturer": "Texas Instruments",
"package": "TQFP-32(7x7)",
"pin_count": 32,
"category": "Interface",
"subcategory": "Audio Interface ICs",
"datasheet": "https://www.ti.com/cn/lit/gpn/pcm2912a",
"parts": {
"symbol": "pcm2912apjt.kicad_sym",
"footprint": "pcm2912apjt.kicad_mod",
"model_3d": "pcm2912apjt-etched.glb",
"model_3d_plain": "pcm2912apjt.glb",
"model_3d_step": "pcm2912apjt-etched.step",
"model_3d_step_plain": "pcm2912apjt.step",
"lbr": "pcm2912apjt.lbr"
},
"distributor_links": {
"lcsc": "C1521514",
"digikey": "296-23950-ND",
"mouser": "595-PCM2912APJT"
},
"distributor_check": {
"checked_at": "2026-10-01T01:03:34Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "296-23950-ND",
"status": "found"
},
"mouser": {
"pn": "595-PCM2912APJT",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "BGND",
"type": "power_in",
"description": "Reference for internal regulator, analog ground."
},
{
"number": "2",
"name": "VBUS",
"type": "power_in",
"description": "Connect to USB power (VBUS)."
},
{
"number": "3",
"name": "D\u2013",
"type": "bidirectional",
"description": "USB differential input/output minus (LV-TTL level)."
},
{
"number": "4",
"name": "D+",
"type": "bidirectional",
"description": "USB differential input/output plus (LV-TTL level)."
},
{
"number": "5",
"name": "VDD",
"type": "power_in",
"description": "Digital power supply; connect decoupling capacitor to corresponding ground."
},
{
"number": "6",
"name": "DGND",
"type": "power_in",
"description": "Digital ground."
},
{
"number": "7",
"name": "XTO",
"type": "output",
"description": "Crystal oscillator output."
},
{
"number": "8",
"name": "XTI",
"type": "input",
"description": "Crystal oscillator input (3.3-V CMOS level)."
},
{
"number": "9",
"name": "FL",
"type": "passive",
"description": "External filter pin of L-channel (optional)."
},
{
"number": "10",
"name": "FR",
"type": "passive",
"description": "External filter pin of R-channel (optional)."
},
{
"number": "11",
"name": "VCOM1",
"type": "passive",
"description": "Common voltage for ADC, DAC, and analog front-end (VCCA/2); decoupling capacitor must be connected to AGND."
},
{
"number": "12",
"name": "VCOM2",
"type": "passive",
"description": "Common voltage for headphone (VCCA/2); decoupling capacitor must be connected to AGND."
},
{
"number": "13",
"name": "AGND",
"type": "power_in",
"description": "Analog ground."
},
{
"number": "14",
"name": "NC",
"type": "unconnected",
"description": "Not connected."
},
{
"number": "15",
"name": "VCCA",
"type": "power_in",
"description": "Analog power supply; connect decoupling capacitor to corresponding ground."
},
{
"number": "16",
"name": "VIN",
"type": "power_in",
"description": "ADC microphone input."
},
{
"number": "17",
"name": "MBIAS",
"type": "output",
"description": "Microphone bias output (0.75 VCCA)."
},
{
"number": "18",
"name": "VOUTL",
"type": "output",
"description": "Headphone output for L-channel."
},
{
"number": "19",
"name": "VCCL",
"type": "power_in",
"description": "Analog power supply for headphone amplifier of L-channel; connect decoupling capacitor to corresponding ground."
},
{
"number": "20",
"name": "HGND",
"type": "power_in",
"description": "Analog ground for headphone amplifier."
},
{
"number": "21",
"name": "VCCR",
"type": "power_in",
"description": "Analog power supply for headphone amplifier of R-channel; connect decoupling capacitor to corresponding ground."
},
{
"number": "22",
"name": "VOUTR",
"type": "output",
"description": "Headphone output for R-channel."
},
{
"number": "23",
"name": "MAMP",
"type": "input",
"description": "Microphone preamplifier gain control (LOW: Preamplifier off, HIGH: Preamplifier on = +20 dB); 3.3-V CMOS level."
},
{
"number": "24",
"name": "POWER",
"type": "input",
"description": "Power consumption declaration select pin (LOW: 100 mA, HIGH: 500 mA); 3.3-V CMOS level."
},
{
"number": "25",
"name": "PGND",
"type": "power_in",
"description": "Analog ground for microphone bias, microphone amplifier, and PGA."
},
{
"number": "26",
"name": "VCCP",
"type": "power_in",
"description": "Analog power supply for PLL; connect decoupling capacitor to corresponding ground."
},
{
"number": "27",
"name": "TEST1",
"type": "input",
"description": "Test pin; must be set to HIGH (3.3-V CMOS level)."
},
{
"number": "28",
"name": "TEST0",
"type": "input",
"description": "Test pin; must be set to LOW (3.3-V CMOS level)."
},
{
"number": "29",
"name": "SSPND",
"type": "output",
"description": "Suspend flag (LOW: Suspend, HIGH: Operational state)."
},
{
"number": "30",
"name": "MMUTE",
"type": "input",
"description": "Microphone mute control, active HIGH (LOW: Mute off, HIGH: Mute on); 3.3-V CMOS level with internal pulldown resistor."
},
{
"number": "31",
"name": "REC",
"type": "output",
"description": "Status output for record (LOW: Record, FLASH: Mute on record, HIGH: Stop); 5-V tolerant, open-drain."
},
{
"number": "32",
"name": "PLAY",
"type": "output",
"description": "Status output for playback (LOW: Playback, FLASH: Mute on playback, HIGH: Stop); 5-V tolerant, open-drain."
}
],
"provenance": {
"extractor": "extract_pins 0.3",
"factory_chain": {
"factory": "2.0.0",
"extractor": "extract_pins 0.3",
"primary_model": "claude-haiku-4-5-20251001",
"primary_mode": "text",
"consensus_model": "claude-sonnet-5-5",
"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [],
"pages_sent": 8,
"cost_usd": 0.1208,
"at": "2026-10-01T01:03:13"
},
"datasheet": {
"url": "https://www.ti.com/cn/lit/gpn/pcm2912a",
"pages": 37,
"sha256": "61d048c255190975",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 32,
"described": 32,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
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}