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PCM1804S1IDBRQ1
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Texas Instruments ADCs/DACs - Special Purpose, SSOP-28. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+64@@ -0,0 +1,64 @@+# PCM1804S1IDBRQ1++**Texas Instruments** · ADCs/DACs - Special Purpose · SSOP-28++PCM1804S1IDBRQ1 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 | VREFL | power_out | Left-channel voltage reference output, requires capacitors for decoupling to AGND |+| 2 | AGNDL | power_in | Analog ground for VREFL |+| 3 | VCOML | power_in | Left-channel analog common-mode voltage (2.5 V) |+| 4 | VINL+ | input | Left-channel analog input, positive pin |+| 5 | VINL- | input | Left-channel analog input, negative pin |+| 6 | FMT0 | input | Audio data format 0, Schmitt-trigger input with internal pulldown |+| 7 | FMT1 | input | Audio data format 1, Schmitt-trigger input with internal pulldown |+| 8 | S/M | input | Slave or master mode selection, Schmitt-trigger input with internal pulldown |+| 9 | OSR0 | input | Oversampling ratio 0, Schmitt-trigger input with internal pulldown |+| 10 | OSR1 | input | Oversampling ratio 1, Schmitt-trigger input with internal pulldown |+| 11 | OSR2 | input | Oversampling ratio 2, Schmitt-trigger input with internal pulldown |+| 12 | BYPAS | input | HPF bypass control, High: HPF disabled, Low: HPF enabled, Schmitt-trigger input |+| 13 | DGND | power_in | Digital ground |+| 14 | VDD | power_in | Digital power supply |+| 15 | DATA/DSDR | output | Left-channel and right-channel audio data output in PCM mode, right-channel audio data output in DSD mode |+| 16 | BCK/DSDL | bidirectional | Bit clock input/output in PCM mode, left-channel audio data output in DSD mode, Schmitt-trigger input |+| 17 | LRCK/DSDBCK | bidirectional | Sampling clock input/output in PCM and DSD modes, Schmitt-trigger input |+| 18 | SCKI | input | System clock input (128 fS, 256 fS, 384 fS, 512 fS, or 768 fS), Schmitt-trigger input 5-V tolerant |+| 19 | RST | input | Reset, power-down input, active-low, Schmitt-trigger input with internal pulldown |+| 20 | OVFR | output | Overflow signal of right-channel in PCM mode |+| 21 | OVFL | output | Overflow signal of left-channel in PCM mode |+| 22 | VCC | power_in | Analog power supply |+| 23 | AGND | power_in | Analog ground |+| 24 | VINR- | input | Right-channel analog input, negative pin |+| 25 | VINR+ | input | Right-channel analog input, positive pin |+| 26 | VCOMR | power_in | Right-channel analog common-mode voltage (2.5 V) |+| 27 | AGNDR | power_in | Analog ground for VREFR |+| 28 | VREFR | power_out | Right-channel voltage reference output, requires capacitors for decoupling to AGND |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SSOP-28 |+| Category | Data Acquisition |+| Pins | 28 |++## CAD (KiCad official)++- Symbol: `PCM1804S1IDBRQ1`+- Footprint: `Package_SO:SSOP-28_5.3x10.2mm_P0.65mm`+- 3D model: SSOP-28 (KiCad packages3D, STEP)+- 3D model files: `pcm1804s1idbrq1-etched.step` / `pcm1804s1idbrq1-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `pcm1804s1idbrq1.step` / `pcm1804s1idbrq1.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/pcm1804-q1) (38 pp, sha256 `c46d2d038a145fa0`, retrieved 2026-10-01, tier: lcsc)+- **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/pcm1804s1idbrq1-datasheet.pdf)
page.jsonadded+275@@ -0,0 +1,275 @@+{+ "slug": "pcm1804s1idbrq1",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments ADCs/DACs - Special Purpose, SSOP-28. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "data acquisition",+ "pcm1804s1idbrq1",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "pcm1804s1idbrq1.kicad_sym",+ "pcm1804s1idbrq1.kicad_mod",+ "pcm1804s1idbrq1.glb",+ "pcm1804s1idbrq1.step",+ "pcm1804s1idbrq1.lbr",+ "docs/hero.png",+ "docs/pcm1804s1idbrq1-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html"+ ],+ "component": {+ "mpn": "PCM1804S1IDBRQ1",+ "manufacturer": "Texas Instruments",+ "package": "SSOP-28",+ "pin_count": 28,+ "category": "Data Acquisition",+ "subcategory": "ADCs/DACs - Special Purpose",+ "datasheet": "https://www.ti.com/cn/lit/gpn/pcm1804-q1",+ "parts": {+ "symbol": "pcm1804s1idbrq1.kicad_sym",+ "footprint": "pcm1804s1idbrq1.kicad_mod",+ "model_3d": "pcm1804s1idbrq1-etched.glb",+ "model_3d_plain": "pcm1804s1idbrq1.glb",+ "model_3d_step": "pcm1804s1idbrq1-etched.step",+ "model_3d_step_plain": "pcm1804s1idbrq1.step",+ "lbr": "pcm1804s1idbrq1.lbr"+ },+ "distributor_links": {+ "lcsc": "C2667042",+ "digikey": "296-40477-2-ND",+ "mouser": "595-PCM1804S1IDBRQ1"+ },+ "distributor_check": {+ "checked_at": "2026-10-01T03:57:09Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "296-40477-2-ND",+ "status": "found"+ },+ "mouser": {+ "pn": "595-PCM1804S1IDBRQ1",+ "status": "found"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "VREFL",+ "type": "power_out",+ "description": "Left-channel voltage reference output, requires capacitors for decoupling to AGND"+ },+ {+ "number": "2",+ "name": "AGNDL",+ "type": "power_in",+ "description": "Analog ground for VREFL"+ },+ {+ "number": "3",+ "name": "VCOML",+ "type": "power_in",+ "description": "Left-channel analog common-mode voltage (2.5 V)"+ },+ {+ "number": "4",+ "name": "VINL+",+ "type": "input",+ "description": "Left-channel analog input, positive pin"+ },+ {+ "number": "5",+ "name": "VINL-",+ "type": "input",+ "description": "Left-channel analog input, negative pin"+ },+ {+ "number": "6",+ "name": "FMT0",+ "type": "input",+ "description": "Audio data format 0, Schmitt-trigger input with internal pulldown"+ },+ {+ "number": "7",+ "name": "FMT1",+ "type": "input",+ "description": "Audio data format 1, Schmitt-trigger input with internal pulldown"+ },+ {+ "number": "8",+ "name": "S/M",+ "type": "input",+ "description": "Slave or master mode selection, Schmitt-trigger input with internal pulldown"+ },+ {+ "number": "9",+ "name": "OSR0",+ "type": "input",+ "description": "Oversampling ratio 0, Schmitt-trigger input with internal pulldown"+ },+ {+ "number": "10",+ "name": "OSR1",+ "type": "input",+ "description": "Oversampling ratio 1, Schmitt-trigger input with internal pulldown"+ },+ {+ "number": "11",+ "name": "OSR2",+ "type": "input",+ "description": "Oversampling ratio 2, Schmitt-trigger input with internal pulldown"+ },+ {+ "number": "12",+ "name": "BYPAS",+ "type": "input",+ "description": "HPF bypass control, High: HPF disabled, Low: HPF enabled, Schmitt-trigger input"+ },+ {+ "number": "13",+ "name": "DGND",+ "type": "power_in",+ "description": "Digital ground"+ },+ {+ "number": "14",+ "name": "VDD",+ "type": "power_in",+ "description": "Digital power supply"+ },+ {+ "number": "15",+ "name": "DATA/DSDR",+ "type": "output",+ "description": "Left-channel and right-channel audio data output in PCM mode, right-channel audio data output in DSD mode"+ },+ {+ "number": "16",+ "name": "BCK/DSDL",+ "type": "bidirectional",+ "description": "Bit clock input/output in PCM mode, left-channel audio data output in DSD mode, Schmitt-trigger input"+ },+ {+ "number": "17",+ "name": "LRCK/DSDBCK",+ "type": "bidirectional",+ "description": "Sampling clock input/output in PCM and DSD modes, Schmitt-trigger input"+ },+ {+ "number": "18",+ "name": "SCKI",+ "type": "input",+ "description": "System clock input (128 fS, 256 fS, 384 fS, 512 fS, or 768 fS), Schmitt-trigger input 5-V tolerant"+ },+ {+ "number": "19",+ "name": "RST",+ "type": "input",+ "description": "Reset, power-down input, active-low, Schmitt-trigger input with internal pulldown"+ },+ {+ "number": "20",+ "name": "OVFR",+ "type": "output",+ "description": "Overflow signal of right-channel in PCM mode"+ },+ {+ "number": "21",+ "name": "OVFL",+ "type": "output",+ "description": "Overflow signal of left-channel in PCM mode"+ },+ {+ "number": "22",+ "name": "VCC",+ "type": "power_in",+ "description": "Analog power supply"+ },+ {+ "number": "23",+ "name": "AGND",+ "type": "power_in",+ "description": "Analog ground"+ },+ {+ "number": "24",+ "name": "VINR-",+ "type": "input",+ "description": "Right-channel analog input, negative pin"+ },+ {+ "number": "25",+ "name": "VINR+",+ "type": "input",+ "description": "Right-channel analog input, positive pin"+ },+ {+ "number": "26",+ "name": "VCOMR",+ "type": "power_in",+ "description": "Right-channel analog common-mode voltage (2.5 V)"+ },+ {+ "number": "27",+ "name": "AGNDR",+ "type": "power_in",+ "description": "Analog ground for VREFR"+ },+ {+ "number": "28",+ "name": "VREFR",+ "type": "power_out",+ "description": "Right-channel voltage reference output, requires capacitors for decoupling to AGND"+ }+ ],+ "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": 0.1459,+ "at": "2026-10-01T03:56:50"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/pcm1804-q1",+ "pages": 38,+ "sha256": "c46d2d038a145fa0",+ "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]"+ }+}