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.
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README.mdadded+65@@ -0,0 +1,65 @@+# PCM2903CDBR++**Texas Instruments** · Audio Interface ICs · SSOP-28++PCM2903CDBR from Texas Instruments, in a SSOP-28. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.++## Pinout++| Pin | Name | Type | Function |+|---|---|---|---|+| 1 | D+ | bidirectional | USB differential input/output plus, LV-TTL level |+| 2 | D- | bidirectional | USB differential input/output minus, LV-TTL level |+| 3 | VBUS | power_in | Must be connected to VDD |+| 4 | DGNDU | power_in | Digital ground for USB transceiver |+| 5 | HID0 | input | HID key state input (mute), active-high, 3.3-V CMOS with internal pulldown |+| 6 | HID1 | input | HID key state input (volume up), active-high, 3.3-V CMOS with internal pulldown |+| 7 | HID2 | input | HID key state input (volume down), active-high, 3.3-V CMOS with internal pulldown |+| 8 | SEL0 | input | Must be set to high, TTL Schmitt trigger input, 5-V tolerant |+| 9 | SEL1 | input | Connected to the USB port of VBUS, TTL Schmitt trigger input, 5-V tolerant |+| 10 | VCCC | power_in | Analog codec power supply (connect decoupling capacitor to GND) |+| 11 | AGNDC | power_in | Analog ground for codec |+| 12 | VINL | input | ADC analog input for L-channel |+| 13 | VINR | input | ADC analog input for R-channel |+| 14 | VCOM | power_in | Common for ADC/DAC (VCCC/2) (connect decoupling capacitor to GND) |+| 15 | VOUTR | output | DAC analog output for R-channel |+| 16 | VOUTL | output | DAC analog output for L-channel |+| 17 | VCCP1 | power_in | Analog PLL power supply (connect decoupling capacitor to GND) |+| 18 | AGNDP | power_in | Analog ground for PLL |+| 19 | VCCP2 | power_in | Analog PLL power supply (connect decoupling capacitor to GND) |+| 20 | XTO | output | Crystal oscillator output |+| 21 | XTI | input | Crystal oscillator input, 3.3-V CMOS-level |+| 22 | AGNDX | power_in | Analog ground for oscillator |+| 23 | VCCX | power_in | Analog oscillator power supply (connect decoupling capacitor to GND) |+| 24 | DIN | input | S/PDIF input, 3.3-V CMOS-level with internal pulldown, 5-V tolerant |+| 25 | DOUT | output | S/PDIF output |+| 26 | DGND | power_in | Digital ground |+| 27 | VDD | power_in | Digital power supply (connect decoupling capacitor to GND) |+| 28 | SSPND | output | Suspend flag output, active-low (Low: suspend, High: operational) |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SSOP-28 |+| Category | Interface |+| Pins | 28 |++## CAD (KiCad official)++- Symbol: `PCM2903CDBR`+- Footprint: `Package_SO:SSOP-28_5.3x10.2mm_P0.65mm`+- 3D model: SSOP-28 (KiCad packages3D, STEP)+- 3D model files: `pcm2903cdbr-etched.step` / `pcm2903cdbr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `pcm2903cdbr.step` / `pcm2903cdbr.glb` are the bare package body.++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Texas Instruments datasheet](https://www.ti.com/cn/lit/gpn/pcm2903c) (36 pp, sha256 `2632e24fa40432b2`, retrieved 2026-10-05, tier: lcsc)+- **Datasheet language:** Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.+- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-4-5-20251001` (text), consensus `claude-sonnet-5-5` (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.+- **CAD:** KiCad official libraries (CC-BY-SA 4.0).++[Datasheet PDF](docs/pcm2903cdbr-datasheet.pdf)
page.jsonadded+277@@ -0,0 +1,277 @@+{+ "slug": "pcm2903cdbr",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments Audio Interface ICs, SSOP-28. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "interface",+ "pcm2903cdbr",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "pcm2903cdbr.kicad_sym",+ "pcm2903cdbr.kicad_mod",+ "pcm2903cdbr.glb",+ "pcm2903cdbr.step",+ "pcm2903cdbr.lbr",+ "docs/hero.png",+ "docs/pcm2903cdbr-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html",+ "pcm2903cdbr-hero.glb",+ "pcm2903cdbr-hero.overlay.json"+ ],+ "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",+ "model_3d": "pcm2903cdbr-hero.glb",+ "model_3d_plain": "pcm2903cdbr.glb",+ "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",+ "digikey": {+ "pn": "296-34778-2-ND",+ "status": "found"+ },+ "mouser": {+ "pn": "595-PCM2903CDBR",+ "status": "found"+ }+ },+ "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": {+ "symbol": "viewers/symbol.html",+ "footprint": "viewers/footprint.html"+ }+ },+ "visibility": "public",+ "org": "adom",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }+}