component
PCM2903CDBR
Public Made by Adomby adom
Texas Instruments Audio Interface ICs, SSOP-28. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
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"type": "component",
"slug": "pcm2903cdbr",
"title": "PCM2903CDBR",
"brief": "Texas Instruments Audio Interface ICs, SSOP-28. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"version": "0.1.0",
"license": "CC-BY-SA-4.0",
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"component": {
"mpn": "PCM2903CDBR",
"manufacturer": "Texas Instruments",
"package": "SSOP-28",
"pin_count": 28,
"category": "Interface",
"subcategory": "Audio Interface ICs",
"datasheet": "https://www.ti.com/cn/lit/gpn/pcm2903c",
"parts": {
"symbol": "pcm2903cdbr.kicad_sym",
"footprint": "pcm2903cdbr.kicad_mod",
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"model_3d_step": "pcm2903cdbr-etched.step",
"model_3d_step_plain": "pcm2903cdbr.step",
"lbr": "pcm2903cdbr.lbr"
},
"distributor_links": {
"lcsc": 2861593,
"digikey": "296-34778-2-ND",
"mouser": "595-PCM2903CDBR"
},
"distributor_check": {
"checked_at": "2026-10-05T19:11:10Z",
"source": "Component Ocean /api/assign-pns",
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"pn": "296-34778-2-ND",
"status": "found"
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"pn": "595-PCM2903CDBR",
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},
"pins": [
{
"number": "1",
"name": "D+",
"type": "bidirectional",
"description": "USB differential input/output plus, LV-TTL level"
},
{
"number": "2",
"name": "D–",
"type": "bidirectional",
"description": "USB differential input/output minus, LV-TTL level"
},
{
"number": "3",
"name": "VBUS",
"type": "power_in",
"description": "Must be connected to VDD"
},
{
"number": "4",
"name": "DGNDU",
"type": "power_in",
"description": "Digital ground for USB transceiver"
},
{
"number": "5",
"name": "HID0",
"type": "input",
"description": "HID key state input (mute), active-high, 3.3-V CMOS with internal pulldown"
},
{
"number": "6",
"name": "HID1",
"type": "input",
"description": "HID key state input (volume up), active-high, 3.3-V CMOS with internal pulldown"
},
{
"number": "7",
"name": "HID2",
"type": "input",
"description": "HID key state input (volume down), active-high, 3.3-V CMOS with internal pulldown"
},
{
"number": "8",
"name": "SEL0",
"type": "input",
"description": "Must be set to high, TTL Schmitt trigger input, 5-V tolerant"
},
{
"number": "9",
"name": "SEL1",
"type": "input",
"description": "Connected to the USB port of VBUS, TTL Schmitt trigger input, 5-V tolerant"
},
{
"number": "10",
"name": "VCCC",
"type": "power_in",
"description": "Analog codec power supply (connect decoupling capacitor to GND)"
},
{
"number": "11",
"name": "AGNDC",
"type": "power_in",
"description": "Analog ground for codec"
},
{
"number": "12",
"name": "VINL",
"type": "input",
"description": "ADC analog input for L-channel"
},
{
"number": "13",
"name": "VINR",
"type": "input",
"description": "ADC analog input for R-channel"
},
{
"number": "14",
"name": "VCOM",
"type": "power_in",
"description": "Common for ADC/DAC (VCCC/2) (connect decoupling capacitor to GND)"
},
{
"number": "15",
"name": "VOUTR",
"type": "output",
"description": "DAC analog output for R-channel"
},
{
"number": "16",
"name": "VOUTL",
"type": "output",
"description": "DAC analog output for L-channel"
},
{
"number": "17",
"name": "VCCP1",
"type": "power_in",
"description": "Analog PLL power supply (connect decoupling capacitor to GND)"
},
{
"number": "18",
"name": "AGNDP",
"type": "power_in",
"description": "Analog ground for PLL"
},
{
"number": "19",
"name": "VCCP2",
"type": "power_in",
"description": "Analog PLL power supply (connect decoupling capacitor to GND)"
},
{
"number": "20",
"name": "XTO",
"type": "output",
"description": "Crystal oscillator output"
},
{
"number": "21",
"name": "XTI",
"type": "input",
"description": "Crystal oscillator input, 3.3-V CMOS-level"
},
{
"number": "22",
"name": "AGNDX",
"type": "power_in",
"description": "Analog ground for oscillator"
},
{
"number": "23",
"name": "VCCX",
"type": "power_in",
"description": "Analog oscillator power supply (connect decoupling capacitor to GND)"
},
{
"number": "24",
"name": "DIN",
"type": "input",
"description": "S/PDIF input, 3.3-V CMOS-level with internal pulldown, 5-V tolerant"
},
{
"number": "25",
"name": "DOUT",
"type": "output",
"description": "S/PDIF output"
},
{
"number": "26",
"name": "DGND",
"type": "power_in",
"description": "Digital ground"
},
{
"number": "27",
"name": "VDD",
"type": "power_in",
"description": "Digital power supply (connect decoupling capacitor to GND)"
},
{
"number": "28",
"name": "SSPND",
"type": "output",
"description": "Suspend flag output, active-low (Low: suspend, High: operational)"
}
],
"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": 0.1379,
"at": "2026-10-05T19:10:51"
},
"datasheet": {
"url": "https://www.ti.com/cn/lit/gpn/pcm2903c",
"pages": 36,
"sha256": "2632e24fa40432b2",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 28,
"described": 28,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
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"footprint": "viewers/footprint.html"
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},
"metadata": {
"specs": {
"Manufacturer": "Texas Instruments",
"Package": "SSOP-28",
"Category": "Interface",
"Pins": "28"
}
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"discovery_triggers": [
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"discovery_pitch": "PCM2903CDBR (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
"author": {
"name": "Ray",
"email": "[email protected]"
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