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ISO7721QDRQ1
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Texas Instruments Digital Isolators, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+45@@ -0,0 +1,45 @@+# ISO7721QDRQ1++**Texas Instruments** · Digital Isolators · SOIC-8++ISO7721QDRQ1 from Texas Instruments, in a SOIC-8. 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 | VCC1 | power_in | Primary-side power supply input with operating voltage range 2.25V to 5.5V. |+| 2 | OUTA | output | Isolated Channel A output with 11ns typical propagation delay and 4mA maximum drive current at 5V. |+| 3 | INB | input | Channel B digital input with high threshold at 0.7×VCCI and low threshold at 0.3×VCCI with 0.1-0.2×VCCI hysteresis. |+| 4 | GND1 | power_in | Ground reference for primary-side power supply and input logic circuits. |+| 5 | GND2 | power_in | Secondary-side ground reference isolated from GND1 by minimum 3000V RMS in D package. |+| 6 | OUTB | output | Isolated Channel B output with 11ns typical propagation delay and 4mA maximum drive current at 5V. |+| 7 | INA | input | Channel A digital input with high threshold at 0.7×VCCI and low threshold at 0.3×VCCI with 0.1-0.2×VCCI hysteresis. |+| 8 | VCC2 | power_in | Secondary-side power supply input with operating voltage range 2.25V to 5.5V independent from VCC1. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SOIC-8 |+| Category | Signal Isolation Devices |+| Pins | 8 |++## CAD (KiCad official)++- Symbol: `ISO7721QDRQ1`+- Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm`+- 3D model: SOIC-8 (KiCad packages3D, STEP)+- 3D model files: `iso7721qdrq1-etched.step` / `iso7721qdrq1-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `iso7721qdrq1.step` / `iso7721qdrq1.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/iso7721-q1) (52 pp, sha256 `fbb553de6ff2b6fe`, retrieved 2026-09-24, 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 0.2`, primary `claude-haiku-4-5-20251001` (text), consensus `claude-sonnet-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/iso7721qdrq1-datasheet.pdf)
page.jsonadded+141@@ -0,0 +1,141 @@+{+ "slug": "iso7721qdrq1",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments Digital Isolators, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "signal isolation devices",+ "iso7721qdrq1",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "iso7721qdrq1.kicad_sym",+ "iso7721qdrq1.kicad_mod",+ "iso7721qdrq1.glb",+ "iso7721qdrq1.step",+ "iso7721qdrq1.lbr",+ "docs/hero.png",+ "docs/iso7721qdrq1-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html"+ ],+ "component": {+ "mpn": "ISO7721QDRQ1",+ "manufacturer": "Texas Instruments",+ "package": "SOIC-8",+ "pin_count": 8,+ "category": "Signal Isolation Devices",+ "subcategory": "Digital Isolators",+ "datasheet": "https://www.ti.com/cn/lit/gpn/iso7721-q1",+ "parts": {+ "symbol": "iso7721qdrq1.kicad_sym",+ "footprint": "iso7721qdrq1.kicad_mod",+ "model_3d": "iso7721qdrq1-etched.glb",+ "model_3d_plain": "iso7721qdrq1.glb",+ "model_3d_step": "iso7721qdrq1-etched.step",+ "model_3d_step_plain": "iso7721qdrq1.step",+ "lbr": "iso7721qdrq1.lbr"+ },+ "distributor_links": {+ "lcsc": "C2867808"+ },+ "pins": [+ {+ "number": "1",+ "name": "VCC1",+ "type": "power_in",+ "description": "Primary-side power supply input with operating voltage range 2.25V to 5.5V."+ },+ {+ "number": "2",+ "name": "OUTA",+ "type": "output",+ "description": "Isolated Channel A output with 11ns typical propagation delay and 4mA maximum drive current at 5V."+ },+ {+ "number": "3",+ "name": "INB",+ "type": "input",+ "description": "Channel B digital input with high threshold at 0.7×VCCI and low threshold at 0.3×VCCI with 0.1-0.2×VCCI hysteresis."+ },+ {+ "number": "4",+ "name": "GND1",+ "type": "power_in",+ "description": "Ground reference for primary-side power supply and input logic circuits."+ },+ {+ "number": "5",+ "name": "GND2",+ "type": "power_in",+ "description": "Secondary-side ground reference isolated from GND1 by minimum 3000V RMS in D package."+ },+ {+ "number": "6",+ "name": "OUTB",+ "type": "output",+ "description": "Isolated Channel B output with 11ns typical propagation delay and 4mA maximum drive current at 5V."+ },+ {+ "number": "7",+ "name": "INA",+ "type": "input",+ "description": "Channel A digital input with high threshold at 0.7×VCCI and low threshold at 0.3×VCCI with 0.1-0.2×VCCI hysteresis."+ },+ {+ "number": "8",+ "name": "VCC2",+ "type": "power_in",+ "description": "Secondary-side power supply input with operating voltage range 2.25V to 5.5V independent from VCC1."+ }+ ],+ "provenance": {+ "extractor": "extract_pins 0.2",+ "factory_chain": {+ "factory": "2.0.0",+ "extractor": "extract_pins 0.2",+ "primary_model": "claude-haiku-4-5-20251001",+ "primary_mode": "text",+ "consensus_model": "claude-sonnet-5",+ "consensus": "agreed",+ "guards": "pin_guards 0.1: passed",+ "guard_notes": [],+ "pages_sent": 52,+ "cost_usd": 0.5221,+ "at": "2026-09-24T03:49:44"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/iso7721-q1",+ "pages": 52,+ "sha256": "fbb553de6ff2b6fe",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 8,+ "described": 8,+ "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]"+ }+}