← Commit history

Initial commit: component/ads7822uc

Ray ·503cb58ee9 ·1d ago
2 files changed +244
README.mdadded+44
@@ -0,0 +1,44 @@+# ADS7822UC++**Texas Instruments** · Analog To Digital Converters (ADC) · SOIC-8++ADS7822UC 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 | VREF | power_in | Reference input; the reference voltage can be set to any level from 50 mV up to VCC. |+| 2 | +In | input | Noninverting analog input; the absolute input range is -0.2 V to VCC + 0.2 V relative to GND. |+| 3 | -In | input | Inverting analog input; connect to ground or to a remote ground sense point, with an absolute input range of -0.2 V to +1.0 V relative to GND. |+| 4 | GND | power_in | Ground reference for the device. |+| 5 | CS/SHDN | input | Chip select when low; shutdown mode when high. |+| 6 | DOUT | output | Serial output data word of 12 bits, valid on the falling edge of DCLOCK; the output is enabled by the second clock pulse after CS falls, followed by one null bit. |+| 7 | DCLOCK | input | Data clock that synchronizes the serial data transfer and determines the conversion speed. |+| 8 | +VCC | power_in | Power supply; specified at 2.7 V to 3.6 V and 4.75 V to 5.25 V, with an absolute maximum of +6 V. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SOIC-8 |+| Category | Data Acquisition |+| Pins | 8 |++## CAD (KiCad official)++- Symbol: `ADS7822UC`+- Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm`+- 3D model: SOIC-8 (KiCad packages3D, STEP)+- 3D model files: `ads7822uc-etched.step` / `ads7822uc-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `ads7822uc.step` / `ads7822uc.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/ads7822) (31 pp, sha256 `889c901a1116a5b2`, 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/ads7822uc-datasheet.pdf)
page.jsonadded+200
@@ -0,0 +1,200 @@+{+  "slug": "ads7822uc",+  "version": "0.1.0",+  "type": "component",+  "description": "Texas Instruments Analog To Digital Converters (ADC), SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+  "tags": [+    "component",+    "data acquisition",+    "ads7822uc",+    "factory-2.0.0",+    "extractor-text"+  ],+  "dependencies": {},+  "hero": {+    "type": "image",+    "path": "docs/hero.png"+  },+  "files": [+    "page.json",+    "README.md",+    "ads7822uc.kicad_sym",+    "ads7822uc.kicad_mod",+    "ads7822uc.glb",+    "ads7822uc.step",+    "ads7822uc.lbr",+    "docs/hero.png",+    "docs/ads7822uc-datasheet.pdf",+    "viewers/symbol.html",+    "viewers/footprint.html",+    "ads7822uc-hero.glb",+    "ads7822uc-hero.overlay.json"+  ],+  "component": {+    "mpn": "ADS7822UC",+    "manufacturer": "Texas Instruments",+    "package": "SOIC-8",+    "pin_count": 8,+    "category": "Data Acquisition",+    "subcategory": "Analog To Digital Converters (ADC)",+    "datasheet": "https://www.ti.com/cn/lit/gpn/ads7822",+    "parts": {+      "symbol": "ads7822uc.kicad_sym",+      "footprint": "ads7822uc.kicad_mod",+      "model_3d": "ads7822uc-hero.glb",+      "model_3d_plain": "ads7822uc.glb",+      "model_3d_step": "ads7822uc-etched.step",+      "model_3d_step_plain": "ads7822uc.step",+      "lbr": "ads7822uc.lbr"+    },+    "distributor_links": {+      "lcsc": "C544612",+      "digikey": "ADS7822UC-ND",+      "mouser": "595-ADS7822UC"+    },+    "distributor_check": {+      "checked_at": "2026-10-08T19:53:25Z",+      "source": "Component Ocean /api/assign-pns",+      "digikey": {+        "pn": "ADS7822UC-ND",+        "status": "found",+        "lifecycle": "Active"+      },+      "mouser": {+        "pn": "595-ADS7822UC",+        "status": "found"+      }+    },+    "pins": [+      {+        "number": "1",+        "name": "VREF",+        "type": "power_in",+        "description": "Reference input; the reference voltage can be set to any level from 50 mV up to VCC."+      },+      {+        "number": "2",+        "name": "+In",+        "type": "input",+        "description": "Noninverting analog input; the absolute input range is -0.2 V to VCC + 0.2 V relative to GND."+      },+      {+        "number": "3",+        "name": "-In",+        "type": "input",+        "description": "Inverting analog input; connect to ground or to a remote ground sense point, with an absolute input range of -0.2 V to +1.0 V relative to GND."+      },+      {+        "number": "4",+        "name": "GND",+        "type": "power_in",+        "description": "Ground reference for the device."+      },+      {+        "number": "5",+        "name": "CS/SHDN",+        "type": "input",+        "description": "Chip select when low; shutdown mode when high."+      },+      {+        "number": "6",+        "name": "DOUT",+        "type": "output",+        "description": "Serial output data word of 12 bits, valid on the falling edge of DCLOCK; the output is enabled by the second clock pulse after CS falls, followed by one null bit."+      },+      {+        "number": "7",+        "name": "DCLOCK",+        "type": "input",+        "description": "Data clock that synchronizes the serial data transfer and determines the conversion speed."+      },+      {+        "number": "8",+        "name": "+VCC",+        "type": "power_in",+        "description": "Power supply; specified at 2.7 V to 3.6 V and 4.75 V to 5.25 V, with an absolute maximum of +6 V."+      }+    ],+    "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 pin table and top-view figure on page 5 are shared by the D (SO-8), DGK (MSOP-8) and P (DIP-8) p"+        ],+        "pages_sent": 10,+        "cost_usd": 0.0604,+        "at": "2026-10-08T19:52:56"+      },+      "datasheet": {+        "url": "https://www.ti.com/cn/lit/gpn/ads7822",+        "pages": 31,+        "sha256": "889c901a1116a5b2",+        "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"+    },+    "models_3d": [+      {+        "file": "ads7822uc.step",+        "role": "plain",+        "up": "Z",+        "units": "mm",+        "origin": "footprint origin = pad-pattern centre",+        "seat": "z = 0",+        "extents_mm": [+          6,+          4.9,+          1.75+        ],+        "zmin_mm": 0,+        "centre_offset_mm": 0,+        "footprint_binding": "identity",+        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",+        "checked": "2026-10-08",+        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+      },+      {+        "file": "ads7822uc-etched.step",+        "role": "eda",+        "up": "Z",+        "units": "mm",+        "origin": "footprint origin = pad-pattern centre",+        "seat": "z = 0",+        "extents_mm": [+          6,+          4.9,+          1.75+        ],+        "zmin_mm": 0,+        "centre_offset_mm": 0,+        "footprint_binding": "identity",+        "sha256": "10495ad8588592bc288e9d73609d376199b40ff5a81e4676b6bf72949020a174",+        "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]"+  }+}\ No newline at end of file