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.
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README.mdadded+57@@ -0,0 +1,57 @@+# PCM1774RGPR++**Texas Instruments** · ADCs/DACs - Special Purpose · QFN-20(4x4)++PCM1774RGPR from Texas Instruments, in a QFN-20(4x4). 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 | MODE | input | Two- or three-wire interface selection: LOW selects SPI, HIGH selects I2C. |+| 2 | MS/ADR | input | Mode control select for the three-wire/two-wire interface. |+| 3 | MD/SDA | bidirectional | Mode control data for the three-wire/two-wire interface (SDA in I2C mode). |+| 4 | MC/SCL | input | Mode control clock for the three-wire/two-wire interface (SCL in I2C mode). |+| 5 | DIN | input | Serial audio data input. |+| 6 | VIO | power_in | Power supply for digital I/O, 1.71 V to 3.6 V. |+| 7 | VDD | power_in | Power supply for digital core, 1.71 V to 3.6 V. |+| 8 | DGND | power_in | Digital ground. |+| 9 | SCKI | input | System clock input; supports common-audio clock frequencies from 12 MHz to 39.36 MHz (256 fS/384 fS). |+| 10 | BCK | bidirectional | Serial bit clock. |+| 11 | LRCK | bidirectional | Left and right channel clock. |+| 12 | PGND | power_in | Ground for the speaker power amplifier. |+| 13 | VPA | power_in | Power supply for the power amplifier, 2.4 V to 3.6 V. |+| 14 | HPOR/LOR | output | Headphone/line output for the L-channel, as labeled in Table 1. |+| 15 | HPOL/LOL | output | Headphone/line output for the R-channel, as labeled in Table 1. |+| 16 | VCOM | passive | Analog common voltage. |+| 17 | AGND | power_in | Ground for analog circuitry. |+| 18 | VCC | power_in | Analog power supply, 2.4 V to 3.6 V. |+| 19 | AIN1R | input | Analog input 1 for the R-channel. |+| 20 | AIN1L | input | Analog input 1 for the L-channel. |+| 21 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | QFN-20(4x4) |+| Category | Data Acquisition |+| Pins | 21 |++## CAD (KiCad official)++- Symbol: `PCM1774RGPR`+- Footprint: `Package_DFN_QFN:QFN-20-1EP_4x4mm_P0.5mm_EP2.5x2.5mm`+- 3D model: QFN-20(4x4) (KiCad packages3D, STEP)+- 3D model files: `pcm1774rgpr-etched.step` / `pcm1774rgpr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `pcm1774rgpr.step` / `pcm1774rgpr.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/pcm1774) (50 pp, sha256 `89cd3f8c7b01041e`, 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/pcm1774rgpr-datasheet.pdf)
page.jsonadded+278@@ -0,0 +1,278 @@+{+ "slug": "pcm1774rgpr",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments ADCs/DACs - Special Purpose, QFN-20(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "data acquisition",+ "pcm1774rgpr",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "pcm1774rgpr.kicad_sym",+ "pcm1774rgpr.kicad_mod",+ "pcm1774rgpr.glb",+ "pcm1774rgpr.step",+ "pcm1774rgpr.lbr",+ "docs/hero.png",+ "docs/pcm1774rgpr-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html",+ "pcm1774rgpr-hero.glb",+ "pcm1774rgpr-hero.overlay.json"+ ],+ "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": {+ "symbol": "pcm1774rgpr.kicad_sym",+ "footprint": "pcm1774rgpr.kicad_mod",+ "model_3d": "pcm1774rgpr-hero.glb",+ "model_3d_plain": "pcm1774rgpr.glb",+ "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": [+ 4,+ 4,+ 0.77+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "5690303c2f1dd3458a046224a833b57c4c2f087e7027ab71d3e5334c01de60f1",+ "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]"+ }+}