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PCM4220PFB
Public Made by Adomby adom
Texas Instruments ADCs/DACs - Special Purpose, TQFP-48(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+84@@ -0,0 +1,84 @@+# PCM4220PFB++**Texas Instruments** · ADCs/DACs - Special Purpose · TQFP-48(7x7)++PCM4220PFB from Texas Instruments, in a TQFP-48(7x7). 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 | AGND | power_in | Analog ground. |+| 2 | VINR- | input | Right channel inverting differential analog input, 2.8VPP nominal full-scale. |+| 3 | VINR+ | input | Right channel noninverting differential analog input, 2.8VPP nominal full-scale. |+| 4 | VCC1 | power_in | Analog supply, +4.0V nominal. |+| 5 | AGND | power_in | Analog ground. |+| 6 | AGND | power_in | Analog ground. |+| 7 | AGND | power_in | Analog ground. |+| 8 | AGND | power_in | Analog ground. |+| 9 | VCC2 | power_in | Analog supply, +4.0V nominal. |+| 10 | VINL- | input | Left channel inverting differential analog input, 2.8VPP nominal full-scale. |+| 11 | VINL+ | input | Left channel noninverting differential analog input, 2.8VPP nominal full-scale. |+| 12 | AGND | power_in | Analog ground. |+| 13 | VCOML | output | Left channel common-mode voltage, nominally 0.4875 × VCC2. |+| 14 | REFGNDL | power_in | Left channel reference ground; connect to analog ground. |+| 15 | VREFL | output | Left channel reference output, for decoupling purposes only. |+| 16 | PCMEN | input | PCM output enable, active high. |+| 17 | HPFDR | input | Right channel high-pass filter disable, active high. |+| 18 | HPFDL | input | Left channel high-pass filter disable, active high. |+| 19 | FS0 | input | Sampling mode select with FS1: 00 = Normal mode, 10 = Double Speed mode, 01 = Quad Speed mode, 11 = Reserved. |+| 20 | FS1 | input | Sampling mode select with FS0: 00 = Normal mode, 10 = Double Speed mode, 01 = Quad Speed mode, 11 = Reserved. |+| 21 | DF | input | Digital decimation filter response select: DF = 0 gives Classic filter response, DF = 1 gives Low Group Delay response. |+| 22 | DGND | power_in | Digital ground. |+| 23 | DGND | power_in | Digital ground. |+| 24 | DGND | power_in | Digital ground. |+| 25 | SUB1 | input | TDM active sub-frame select with SUB0: 00 = Sub-frame 0, 01 = Sub-frame 1 (SUB0 = 1, SUB1 = 0), 10 = Sub-frame 2, 11 = Sub-frame 3. |+| 26 | SUB0 | input | TDM active sub-frame select with SUB1; see SUB1 for the decoding. |+| 27 | NC | unconnected | No external connection; internally bonded to ESD pad. |+| 28 | NC | unconnected | No external connection; internally bonded to ESD pad. |+| 29 | NC | unconnected | No external connection; internally bonded to ESD pad. |+| 30 | DGND | power_in | Digital ground. |+| 31 | VDD | power_in | Digital supply, +3.3V nominal. |+| 32 | DATA | output | Audio serial port data output. |+| 33 | BCK | bidirectional | Audio serial port bit clock (I/O). |+| 34 | LRCK | bidirectional | Audio serial port left/right word clock (I/O). |+| 35 | MCKI | input | Master clock input. |+| 36 | RST | input | Reset and power-down, active low. |+| 37 | OVFL | output | Left channel overflow flag, active high. |+| 38 | OVFR | output | Right channel overflow flag, active high. |+| 39 | S/M | input | Audio serial port mode select: S/M = 0 gives Master mode, S/M = 1 gives Slave mode. |+| 40 | DGND | power_in | Digital ground (listed as Output in the datasheet terminal table, but it is a ground pin). |+| 41 | OWL1 | input | Output word length select with OWL0: 00 = 24-bits, 10 = 18-bits, 01 = 20-bits, 11 = 16-bits. |+| 42 | OWL0 | input | Output word length select with OWL1; see OWL1 for the decoding. |+| 43 | FMT1 | input | Audio data format select with FMT0: 00 = Left-justified, 10 = I2S, 01 = TDM, 11 = TDM with one BCK delay. |+| 44 | FMT0 | input | Audio data format select with FMT1; see FMT1 for the decoding. |+| 45 | DGND | power_in | Digital ground. |+| 46 | VREFR | output | Right channel reference output, for decoupling purposes only. |+| 47 | REFGNDR | power_in | Right channel reference ground; connect to analog ground. |+| 48 | VCOMR | output | Right channel common-mode voltage, nominally 0.4875 × VCC1. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | TQFP-48(7x7) |+| Category | Data Acquisition |+| Pins | 48 |++## CAD (KiCad official)++- Symbol: `PCM4220PFB`+- Footprint: `Package_QFP:TQFP-48_7x7mm_P0.5mm`+- 3D model: TQFP-48(7x7) (KiCad packages3D, STEP)+- 3D model files: `pcm4220pfb-etched.step` / `pcm4220pfb-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `pcm4220pfb.step` / `pcm4220pfb.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/pcm4220) (39 pp, sha256 `2576dc13f2c8b79f`, retrieved 2026-10-08, tier: lcsc)+- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-5-5` (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/pcm4220pfb-datasheet.pdf)
page.jsonadded+439@@ -0,0 +1,439 @@+{+ "slug": "pcm4220pfb",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments ADCs/DACs - Special Purpose, TQFP-48(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "data acquisition",+ "pcm4220pfb",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "pcm4220pfb.kicad_sym",+ "pcm4220pfb.kicad_mod",+ "pcm4220pfb.glb",+ "pcm4220pfb.step",+ "pcm4220pfb.lbr",+ "docs/hero.png",+ "docs/pcm4220pfb-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html",+ "pcm4220pfb-hero.glb",+ "pcm4220pfb-hero.overlay.json"+ ],+ "component": {+ "mpn": "PCM4220PFB",+ "manufacturer": "Texas Instruments",+ "package": "TQFP-48(7x7)",+ "pin_count": 48,+ "category": "Data Acquisition",+ "subcategory": "ADCs/DACs - Special Purpose",+ "datasheet": "https://www.ti.com/cn/lit/gpn/pcm4220",+ "parts": {+ "symbol": "pcm4220pfb.kicad_sym",+ "footprint": "pcm4220pfb.kicad_mod",+ "model_3d": "pcm4220pfb-hero.glb",+ "model_3d_plain": "pcm4220pfb.glb",+ "model_3d_step": "pcm4220pfb-etched.step",+ "model_3d_step_plain": "pcm4220pfb.step",+ "lbr": "pcm4220pfb.lbr"+ },+ "distributor_links": {+ "lcsc": "C1520776",+ "digikey": "296-32684-ND",+ "mouser": "595-PCM4220PFB"+ },+ "distributor_check": {+ "checked_at": "2026-10-08T19:58:33Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "296-32684-ND",+ "status": "found"+ },+ "mouser": {+ "pn": "595-PCM4220PFB",+ "status": "found"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "AGND",+ "type": "power_in",+ "description": "Analog ground."+ },+ {+ "number": "2",+ "name": "VINR-",+ "type": "input",+ "description": "Right channel inverting differential analog input, 2.8VPP nominal full-scale."+ },+ {+ "number": "3",+ "name": "VINR+",+ "type": "input",+ "description": "Right channel noninverting differential analog input, 2.8VPP nominal full-scale."+ },+ {+ "number": "4",+ "name": "VCC1",+ "type": "power_in",+ "description": "Analog supply, +4.0V nominal."+ },+ {+ "number": "5",+ "name": "AGND",+ "type": "power_in",+ "description": "Analog ground."+ },+ {+ "number": "6",+ "name": "AGND",+ "type": "power_in",+ "description": "Analog ground."+ },+ {+ "number": "7",+ "name": "AGND",+ "type": "power_in",+ "description": "Analog ground."+ },+ {+ "number": "8",+ "name": "AGND",+ "type": "power_in",+ "description": "Analog ground."+ },+ {+ "number": "9",+ "name": "VCC2",+ "type": "power_in",+ "description": "Analog supply, +4.0V nominal."+ },+ {+ "number": "10",+ "name": "VINL-",+ "type": "input",+ "description": "Left channel inverting differential analog input, 2.8VPP nominal full-scale."+ },+ {+ "number": "11",+ "name": "VINL+",+ "type": "input",+ "description": "Left channel noninverting differential analog input, 2.8VPP nominal full-scale."+ },+ {+ "number": "12",+ "name": "AGND",+ "type": "power_in",+ "description": "Analog ground."+ },+ {+ "number": "13",+ "name": "VCOML",+ "type": "output",+ "description": "Left channel common-mode voltage, nominally 0.4875 × VCC2."+ },+ {+ "number": "14",+ "name": "REFGNDL",+ "type": "power_in",+ "description": "Left channel reference ground; connect to analog ground."+ },+ {+ "number": "15",+ "name": "VREFL",+ "type": "output",+ "description": "Left channel reference output, for decoupling purposes only."+ },+ {+ "number": "16",+ "name": "PCMEN",+ "type": "input",+ "description": "PCM output enable, active high."+ },+ {+ "number": "17",+ "name": "HPFDR",+ "type": "input",+ "description": "Right channel high-pass filter disable, active high."+ },+ {+ "number": "18",+ "name": "HPFDL",+ "type": "input",+ "description": "Left channel high-pass filter disable, active high."+ },+ {+ "number": "19",+ "name": "FS0",+ "type": "input",+ "description": "Sampling mode select with FS1: 00 = Normal mode, 10 = Double Speed mode, 01 = Quad Speed mode, 11 = Reserved."+ },+ {+ "number": "20",+ "name": "FS1",+ "type": "input",+ "description": "Sampling mode select with FS0: 00 = Normal mode, 10 = Double Speed mode, 01 = Quad Speed mode, 11 = Reserved."+ },+ {+ "number": "21",+ "name": "DF",+ "type": "input",+ "description": "Digital decimation filter response select: DF = 0 gives Classic filter response, DF = 1 gives Low Group Delay response."+ },+ {+ "number": "22",+ "name": "DGND",+ "type": "power_in",+ "description": "Digital ground."+ },+ {+ "number": "23",+ "name": "DGND",+ "type": "power_in",+ "description": "Digital ground."+ },+ {+ "number": "24",+ "name": "DGND",+ "type": "power_in",+ "description": "Digital ground."+ },+ {+ "number": "25",+ "name": "SUB1",+ "type": "input",+ "description": "TDM active sub-frame select with SUB0: 00 = Sub-frame 0, 01 = Sub-frame 1 (SUB0 = 1, SUB1 = 0), 10 = Sub-frame 2, 11 = Sub-frame 3."+ },+ {+ "number": "26",+ "name": "SUB0",+ "type": "input",+ "description": "TDM active sub-frame select with SUB1; see SUB1 for the decoding."+ },+ {+ "number": "27",+ "name": "NC",+ "type": "unconnected",+ "description": "No external connection; internally bonded to ESD pad."+ },+ {+ "number": "28",+ "name": "NC",+ "type": "unconnected",+ "description": "No external connection; internally bonded to ESD pad."+ },+ {+ "number": "29",+ "name": "NC",+ "type": "unconnected",+ "description": "No external connection; internally bonded to ESD pad."+ },+ {+ "number": "30",+ "name": "DGND",+ "type": "power_in",+ "description": "Digital ground."+ },+ {+ "number": "31",+ "name": "VDD",+ "type": "power_in",+ "description": "Digital supply, +3.3V nominal."+ },+ {+ "number": "32",+ "name": "DATA",+ "type": "output",+ "description": "Audio serial port data output."+ },+ {+ "number": "33",+ "name": "BCK",+ "type": "bidirectional",+ "description": "Audio serial port bit clock (I/O)."+ },+ {+ "number": "34",+ "name": "LRCK",+ "type": "bidirectional",+ "description": "Audio serial port left/right word clock (I/O)."+ },+ {+ "number": "35",+ "name": "MCKI",+ "type": "input",+ "description": "Master clock input."+ },+ {+ "number": "36",+ "name": "RST",+ "type": "input",+ "description": "Reset and power-down, active low."+ },+ {+ "number": "37",+ "name": "OVFL",+ "type": "output",+ "description": "Left channel overflow flag, active high."+ },+ {+ "number": "38",+ "name": "OVFR",+ "type": "output",+ "description": "Right channel overflow flag, active high."+ },+ {+ "number": "39",+ "name": "S/M",+ "type": "input",+ "description": "Audio serial port mode select: S/M = 0 gives Master mode, S/M = 1 gives Slave mode."+ },+ {+ "number": "40",+ "name": "DGND",+ "type": "power_in",+ "description": "Digital ground (listed as Output in the datasheet terminal table, but it is a ground pin)."+ },+ {+ "number": "41",+ "name": "OWL1",+ "type": "input",+ "description": "Output word length select with OWL0: 00 = 24-bits, 10 = 18-bits, 01 = 20-bits, 11 = 16-bits."+ },+ {+ "number": "42",+ "name": "OWL0",+ "type": "input",+ "description": "Output word length select with OWL1; see OWL1 for the decoding."+ },+ {+ "number": "43",+ "name": "FMT1",+ "type": "input",+ "description": "Audio data format select with FMT0: 00 = Left-justified, 10 = I2S, 01 = TDM, 11 = TDM with one BCK delay."+ },+ {+ "number": "44",+ "name": "FMT0",+ "type": "input",+ "description": "Audio data format select with FMT1; see FMT1 for the decoding."+ },+ {+ "number": "45",+ "name": "DGND",+ "type": "power_in",+ "description": "Digital ground."+ },+ {+ "number": "46",+ "name": "VREFR",+ "type": "output",+ "description": "Right channel reference output, for decoupling purposes only."+ },+ {+ "number": "47",+ "name": "REFGNDR",+ "type": "power_in",+ "description": "Right channel reference ground; connect to analog ground."+ },+ {+ "number": "48",+ "name": "VCOMR",+ "type": "output",+ "description": "Right channel common-mode voltage, nominally 0.4875 × VCC1."+ }+ ],+ "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: The datasheet terminal table labels pin 40 (DGND) as 'Output', which conflicts with its digital grou; Multi-pin mode-select inputs: the datasheet gives the decoding for combinations of two pins. Each pi; NC pins are internally bonded to ESD pads and typed unconnected; the datasheet says no external conn"+ ],+ "pages_sent": 9,+ "cost_usd": 0.0781,+ "at": "2026-10-08T19:58:09"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/pcm4220",+ "pages": 39,+ "sha256": "2576dc13f2c8b79f",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 48,+ "described": 48,+ "cites_pages": true,+ "refuses_to_fabricate": true+ }+ },+ "viewers": {+ "symbol": "viewers/symbol.html",+ "footprint": "viewers/footprint.html"+ },+ "models_3d": [+ {+ "file": "pcm4220pfb.step",+ "role": "plain",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 9,+ 9,+ 1.1+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "14ca7676e4932e92f0eca0c6d56ce3018cd28a2531204a70ab7bbacb3eeb3cf5",+ "checked": "2026-10-08",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ },+ {+ "file": "pcm4220pfb-etched.step",+ "role": "eda",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 9,+ 9,+ 1.1+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "30c569eeaf6156a369fec44b84ba64734279e9bccbeba6fe0f858d0d2266131a",+ "checked": "2026-10-08",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ }+ ]+ },+ "visibility": "public",+ "org": "adom",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }+}