← Commit history

Initial commit: component/ads7816u

Ray ·b0141c4617 ·1mo ago
2 files changed +185
README.mdadded+44
@@ -0,0 +1,44 @@+# ADS7816U++**Texas Instruments** · Analog To Digital Converters (ADC) · SOIC-8++ADS7816U 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; external voltage (0.1V to 5V) sets full-scale input range. |+| 2 | +In | input | Non-inverting analog input; must remain within GND -0.2V to VCC +0.2V for proper linearity. |+| 3 | -In | input | Inverting analog input; connect to ground or remote ground sense; must stay within ±200mV of GND. |+| 4 | GND | power_in | Ground; analog and logic return reference. |+| 5 | CS/SHDN | input | Chip Select when LOW initiates conversion; HIGH enables power-down mode drawing max 3µA. |+| 6 | DOUT | tri_state | Serial digital output; 12-bit data MSB-first on DCLOCK falling edges, tri-states after conversion complete. |+| 7 | DCLOCK | input | Data Clock input; external clock (10kHz to 3.2MHz) synchronizes serial transfer and sets conversion speed. |+| 8 | +VCC | power_in | Power Supply input; single +5V with specified performance range 4.5V to 5.25V. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SOIC-8 |+| Category | Data Acquisition |+| Pins | 8 |++## CAD (KiCad official)++- Symbol: `ADS7816U`+- Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm`+- 3D model: SOIC-8 (KiCad packages3D, STEP)+- 3D model files: `ads7816u-etched.step` / `ads7816u-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `ads7816u.step` / `ads7816u.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/ads7816) (26 pp, sha256 `d9a0852dc8aa8569`, retrieved 2026-09-24, tier: lcsc)+- **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/ads7816u-datasheet.pdf)
page.jsonadded+141
@@ -0,0 +1,141 @@+{+  "slug": "ads7816u",+  "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",+    "ads7816u",+    "factory-2.0.0",+    "extractor-text"+  ],+  "dependencies": {},+  "hero": {+    "type": "image",+    "path": "docs/hero.png"+  },+  "files": [+    "page.json",+    "README.md",+    "ads7816u.kicad_sym",+    "ads7816u.kicad_mod",+    "ads7816u.glb",+    "ads7816u.step",+    "ads7816u.lbr",+    "docs/hero.png",+    "docs/ads7816u-datasheet.pdf",+    "viewers/symbol.html",+    "viewers/footprint.html"+  ],+  "component": {+    "mpn": "ADS7816U",+    "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/ads7816",+    "parts": {+      "symbol": "ads7816u.kicad_sym",+      "footprint": "ads7816u.kicad_mod",+      "model_3d": "ads7816u-etched.glb",+      "model_3d_plain": "ads7816u.glb",+      "model_3d_step": "ads7816u-etched.step",+      "model_3d_step_plain": "ads7816u.step",+      "lbr": "ads7816u.lbr"+    },+    "distributor_links": {+      "lcsc": "C962982"+    },+    "pins": [+      {+        "number": "1",+        "name": "VREF",+        "type": "power_in",+        "description": "Reference Input; external voltage (0.1V to 5V) sets full-scale input range."+      },+      {+        "number": "2",+        "name": "+In",+        "type": "input",+        "description": "Non-inverting analog input; must remain within GND -0.2V to VCC +0.2V for proper linearity."+      },+      {+        "number": "3",+        "name": "–In",+        "type": "input",+        "description": "Inverting analog input; connect to ground or remote ground sense; must stay within ±200mV of GND."+      },+      {+        "number": "4",+        "name": "GND",+        "type": "power_in",+        "description": "Ground; analog and logic return reference."+      },+      {+        "number": "5",+        "name": "CS/SHDN",+        "type": "input",+        "description": "Chip Select when LOW initiates conversion; HIGH enables power-down mode drawing max 3µA."+      },+      {+        "number": "6",+        "name": "DOUT",+        "type": "tri_state",+        "description": "Serial digital output; 12-bit data MSB-first on DCLOCK falling edges, tri-states after conversion complete."+      },+      {+        "number": "7",+        "name": "DCLOCK",+        "type": "input",+        "description": "Data Clock input; external clock (10kHz to 3.2MHz) synchronizes serial transfer and sets conversion speed."+      },+      {+        "number": "8",+        "name": "+VCC",+        "type": "power_in",+        "description": "Power Supply input; single +5V with specified performance range 4.5V to 5.25V."+      }+    ],+    "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": 26,+        "cost_usd": 0.2674,+        "at": "2026-09-24T08:18:04"+      },+      "datasheet": {+        "url": "https://www.ti.com/cn/lit/gpn/ads7816",+        "pages": 26,+        "sha256": "d9a0852dc8aa8569",+        "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]"+  }+}\ No newline at end of file