component
PGA2311U
Public Made by Adomby adom
Texas Instruments Audio Amplifiers, SOIC-16-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+52@@ -0,0 +1,52 @@+# PGA2311U++**Texas Instruments** · Audio Amplifiers · SOIC-16-300mil++PGA2311U from Texas Instruments, in a SOIC-16-300mil. 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 | ZCEN | input | Zero-crossing enable input (active high); enables gain transitions at zero-crossings with 16 ms timeout |+| 2 | CS | input | Chip-select input (active low); data written when CS is LOW for 16-bit transfer |+| 3 | SDI | input | Serial data input; 16-bit control word (8 bits per channel, MSB first, 0.5 dB step resolution) |+| 4 | VD+ | power_in | Digital power supply +5 V nominal (4.75 V to 5.25 V operating range) |+| 5 | DGND | power_in | Digital ground reference |+| 6 | SCLK | input | Serial clock input; data latched on rising edge (0 to 6.25 MHz maximum) |+| 7 | SDO | tri_state | Serial data output; tri-state when CS HIGH, used for daisy-chaining multiple devices |+| 8 | MUTE | input | Mute control input (active low); disconnects output amplifier with 10 kΩ to ground termination |+| 9 | VINR | input | Analog input right channel; referenced to AGNDR with 2.5 Vrms maximum without clipping |+| 10 | AGNDR | power_in | Analog ground right channel |+| 11 | VOUTR | output | Analog output right channel; maximum swing within ±1.25 V of analog supply rails |+| 12 | VA+ | power_in | Analog power supply +5 V nominal (4.75 V to 5.25 V operating range) |+| 13 | VA- | power_in | Analog power supply -5 V nominal (-4.75 V to -5.25 V operating range) |+| 14 | VOUTL | output | Analog output left channel; maximum swing within ±1.25 V of analog supply rails |+| 15 | AGNDL | power_in | Analog ground left channel |+| 16 | VINL | input | Analog input left channel; referenced to AGNDL with 2.5 Vrms maximum without clipping |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SOIC-16-300mil |+| Category | Amplifiers/Comparators |+| Pins | 16 |++## CAD (KiCad official)++- Symbol: `PGA2311U`+- Footprint: `Package_SO:SOIC-16_3.9x9.9mm_P1.27mm`+- 3D model: SOIC-16-300mil (KiCad packages3D, STEP)+- 3D model files: `pga2311u-etched.step` / `pga2311u-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `pga2311u.step` / `pga2311u.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/pga2311) (27 pp, sha256 `17b42f9e9b169986`, retrieved 2026-10-03, 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/pga2311u-datasheet.pdf)
page.jsonadded+206@@ -0,0 +1,206 @@+{+ "slug": "pga2311u",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments Audio Amplifiers, SOIC-16-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "amplifiers-comparators",+ "pga2311u",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "pga2311u.kicad_sym",+ "pga2311u.kicad_mod",+ "pga2311u.glb",+ "pga2311u.step",+ "pga2311u.lbr",+ "docs/hero.png",+ "docs/pga2311u-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html",+ "pga2311u-hero.glb",+ "pga2311u-hero.overlay.json"+ ],+ "component": {+ "mpn": "PGA2311U",+ "manufacturer": "Texas Instruments",+ "package": "SOIC-16-300mil",+ "pin_count": 16,+ "category": "Amplifiers/Comparators",+ "subcategory": "Audio Amplifiers",+ "datasheet": "https://www.ti.com/cn/lit/gpn/pga2311",+ "parts": {+ "symbol": "pga2311u.kicad_sym",+ "footprint": "pga2311u.kicad_mod",+ "model_3d": "pga2311u-hero.glb",+ "model_3d_plain": "pga2311u.glb",+ "model_3d_step": "pga2311u-etched.step",+ "model_3d_step_plain": "pga2311u.step",+ "lbr": "pga2311u.lbr"+ },+ "distributor_links": {+ "lcsc": 2868611,+ "digikey": "PGA2311U-ND",+ "mouser": "595-PGA2311U"+ },+ "distributor_check": {+ "checked_at": "2026-10-03T08:58:17Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "PGA2311U-ND",+ "status": "found",+ "lifecycle": "Active"+ },+ "mouser": {+ "pn": "595-PGA2311U",+ "status": "found"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "ZCEN",+ "type": "input",+ "description": "Zero-crossing enable input (active high); enables gain transitions at zero-crossings with 16 ms timeout"+ },+ {+ "number": "2",+ "name": "CS",+ "type": "input",+ "description": "Chip-select input (active low); data written when CS is LOW for 16-bit transfer"+ },+ {+ "number": "3",+ "name": "SDI",+ "type": "input",+ "description": "Serial data input; 16-bit control word (8 bits per channel, MSB first, 0.5 dB step resolution)"+ },+ {+ "number": "4",+ "name": "VD+",+ "type": "power_in",+ "description": "Digital power supply +5 V nominal (4.75 V to 5.25 V operating range)"+ },+ {+ "number": "5",+ "name": "DGND",+ "type": "power_in",+ "description": "Digital ground reference"+ },+ {+ "number": "6",+ "name": "SCLK",+ "type": "input",+ "description": "Serial clock input; data latched on rising edge (0 to 6.25 MHz maximum)"+ },+ {+ "number": "7",+ "name": "SDO",+ "type": "tri_state",+ "description": "Serial data output; tri-state when CS HIGH, used for daisy-chaining multiple devices"+ },+ {+ "number": "8",+ "name": "MUTE",+ "type": "input",+ "description": "Mute control input (active low); disconnects output amplifier with 10 kΩ to ground termination"+ },+ {+ "number": "9",+ "name": "VINR",+ "type": "input",+ "description": "Analog input right channel; referenced to AGNDR with 2.5 Vrms maximum without clipping"+ },+ {+ "number": "10",+ "name": "AGNDR",+ "type": "power_in",+ "description": "Analog ground right channel"+ },+ {+ "number": "11",+ "name": "VOUTR",+ "type": "output",+ "description": "Analog output right channel; maximum swing within ±1.25 V of analog supply rails"+ },+ {+ "number": "12",+ "name": "VA+",+ "type": "power_in",+ "description": "Analog power supply +5 V nominal (4.75 V to 5.25 V operating range)"+ },+ {+ "number": "13",+ "name": "VA–",+ "type": "power_in",+ "description": "Analog power supply -5 V nominal (-4.75 V to -5.25 V operating range)"+ },+ {+ "number": "14",+ "name": "VOUTL",+ "type": "output",+ "description": "Analog output left channel; maximum swing within ±1.25 V of analog supply rails"+ },+ {+ "number": "15",+ "name": "AGNDL",+ "type": "power_in",+ "description": "Analog ground left channel"+ },+ {+ "number": "16",+ "name": "VINL",+ "type": "input",+ "description": "Analog input left channel; referenced to AGNDL with 2.5 Vrms maximum without clipping"+ }+ ],+ "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": 27,+ "cost_usd": 0.1325,+ "at": "2026-10-03T08:57:47"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/pga2311",+ "pages": 27,+ "sha256": "17b42f9e9b169986",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 16,+ "described": 16,+ "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]"+ }+}