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Initial commit: component/ads1255idbr

Ray ·916cc0966a ·1mo ago
2 files changed +269
README.mdadded+56
@@ -0,0 +1,56 @@+# ADS1255IDBR++**Texas Instruments** · Analog To Digital Converters (ADC) · SSOP-20-208mil++ADS1255IDBR from Texas Instruments, in a SSOP-20-208mil. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.++## Pinout++| Pin | Name | Type | Function |+|---|---|---|---|+| 1 | AVDD | power_in | Analog power supply, 4.75 to 5.25 V |+| 2 | AGND | power_in | Analog ground, 0 V reference |+| 3 | VREFN | input | Negative reference input, 0.5 to 2.5 V below VREFP |+| 4 | VREFP | input | Positive reference input, 0.5 to 2.5 V above VREFN |+| 5 | AINCOM | input | Analog input common for single-ended measurements |+| 6 | AIN0 | input | Differential or single-ended analog input 0 |+| 7 | AIN1 | input | Differential or single-ended analog input 1 |+| 8 | SYNC/PDWN | input | Synchronization/power-down input, active low Schmitt-trigger |+| 9 | RESET | input | Reset input, active low Schmitt-trigger |+| 10 | DVDD | power_in | Digital power supply, 1.8 to 3.6 V |+| 11 | DGND | power_in | Digital ground, 0 V reference |+| 12 | XTAL2 | passive | Crystal oscillator connection, leave floating if external clock input is used |+| 13 | XTAL1/CLKIN | input | Crystal oscillator or external clock input, 2 to 10 MHz |+| 14 | CS | input | Chip select input, active low Schmitt-trigger |+| 15 | DRDY | output | Data ready output, active low indicating new conversion data available |+| 16 | DOUT | tri_state | Serial data output, tri-state high impedance when CS is high |+| 17 | DIN | input | Serial data input, Schmitt-trigger |+| 18 | SCLK | input | Serial clock input, Schmitt-trigger |+| 19 | D0/CLKOUT | bidirectional | Digital I/O 0 or clock output, configurable as input or output |+| 20 | D1 | bidirectional | Digital I/O 1, configurable as input or output |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SSOP-20-208mil |+| Category | Data Acquisition |+| Pins | 20 |++## CAD (KiCad official)++- Symbol: `ADS1255IDBR`+- Footprint: `Package_SO:SSOP-20_5.3x7.2mm_P0.65mm`+- 3D model: SSOP-20-208mil (KiCad packages3D, STEP)+- 3D model files: `ads1255idbr-etched.step` / `ads1255idbr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `ads1255idbr.step` / `ads1255idbr.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/ads1255) (49 pp, sha256 `9da3323db162b593`, retrieved 2026-09-23, 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/ads1255idbr-datasheet.pdf)
page.jsonadded+213
@@ -0,0 +1,213 @@+{+  "slug": "ads1255idbr",+  "version": "0.1.0",+  "type": "component",+  "description": "Texas Instruments Analog To Digital Converters (ADC), SSOP-20-208mil. Datasheet-verified pinout, KiCad symbol/footprint/3D.",+  "tags": [+    "component",+    "data acquisition",+    "ads1255idbr",+    "factory-2.0.0",+    "extractor-text"+  ],+  "dependencies": {},+  "hero": {+    "type": "image",+    "path": "docs/hero.png"+  },+  "files": [+    "page.json",+    "README.md",+    "ads1255idbr.kicad_sym",+    "ads1255idbr.kicad_mod",+    "ads1255idbr.glb",+    "ads1255idbr.step",+    "ads1255idbr.lbr",+    "docs/hero.png",+    "docs/ads1255idbr-datasheet.pdf",+    "viewers/symbol.html",+    "viewers/footprint.html"+  ],+  "component": {+    "mpn": "ADS1255IDBR",+    "manufacturer": "Texas Instruments",+    "package": "SSOP-20-208mil",+    "pin_count": 20,+    "category": "Data Acquisition",+    "subcategory": "Analog To Digital Converters (ADC)",+    "datasheet": "https://www.ti.com/cn/lit/gpn/ads1255",+    "parts": {+      "symbol": "ads1255idbr.kicad_sym",+      "footprint": "ads1255idbr.kicad_mod",+      "model_3d": "ads1255idbr-etched.glb",+      "model_3d_plain": "ads1255idbr.glb",+      "model_3d_step": "ads1255idbr-etched.step",+      "model_3d_step_plain": "ads1255idbr.step",+      "lbr": "ads1255idbr.lbr"+    },+    "distributor_links": {+      "lcsc": "C29001"+    },+    "pins": [+      {+        "number": "1",+        "name": "AVDD",+        "type": "power_in",+        "description": "Analog power supply, 4.75 to 5.25 V"+      },+      {+        "number": "2",+        "name": "AGND",+        "type": "power_in",+        "description": "Analog ground, 0 V reference"+      },+      {+        "number": "3",+        "name": "VREFN",+        "type": "input",+        "description": "Negative reference input, 0.5 to 2.5 V below VREFP"+      },+      {+        "number": "4",+        "name": "VREFP",+        "type": "input",+        "description": "Positive reference input, 0.5 to 2.5 V above VREFN"+      },+      {+        "number": "5",+        "name": "AINCOM",+        "type": "input",+        "description": "Analog input common for single-ended measurements"+      },+      {+        "number": "6",+        "name": "AIN0",+        "type": "input",+        "description": "Differential or single-ended analog input 0"+      },+      {+        "number": "7",+        "name": "AIN1",+        "type": "input",+        "description": "Differential or single-ended analog input 1"+      },+      {+        "number": "8",+        "name": "SYNC/PDWN",+        "type": "input",+        "description": "Synchronization/power-down input, active low Schmitt-trigger"+      },+      {+        "number": "9",+        "name": "RESET",+        "type": "input",+        "description": "Reset input, active low Schmitt-trigger"+      },+      {+        "number": "10",+        "name": "DVDD",+        "type": "power_in",+        "description": "Digital power supply, 1.8 to 3.6 V"+      },+      {+        "number": "11",+        "name": "DGND",+        "type": "power_in",+        "description": "Digital ground, 0 V reference"+      },+      {+        "number": "12",+        "name": "XTAL2",+        "type": "passive",+        "description": "Crystal oscillator connection, leave floating if external clock input is used"+      },+      {+        "number": "13",+        "name": "XTAL1/CLKIN",+        "type": "input",+        "description": "Crystal oscillator or external clock input, 2 to 10 MHz"+      },+      {+        "number": "14",+        "name": "CS",+        "type": "input",+        "description": "Chip select input, active low Schmitt-trigger"+      },+      {+        "number": "15",+        "name": "DRDY",+        "type": "output",+        "description": "Data ready output, active low indicating new conversion data available"+      },+      {+        "number": "16",+        "name": "DOUT",+        "type": "tri_state",+        "description": "Serial data output, tri-state high impedance when CS is high"+      },+      {+        "number": "17",+        "name": "DIN",+        "type": "input",+        "description": "Serial data input, Schmitt-trigger"+      },+      {+        "number": "18",+        "name": "SCLK",+        "type": "input",+        "description": "Serial clock input, Schmitt-trigger"+      },+      {+        "number": "19",+        "name": "D0/CLKOUT",+        "type": "bidirectional",+        "description": "Digital I/O 0 or clock output, configurable as input or output"+      },+      {+        "number": "20",+        "name": "D1",+        "type": "bidirectional",+        "description": "Digital I/O 1, configurable as input or output"+      }+    ],+    "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": 49,+        "cost_usd": 0.6105,+        "at": "2026-09-23T09:35:03"+      },+      "datasheet": {+        "url": "https://www.ti.com/cn/lit/gpn/ads1255",+        "pages": 49,+        "sha256": "9da3323db162b593",+        "source_tier": "lcsc"+      },+      "cad": "KiCad official (CC-BY-SA 4.0)",+      "pins": {+        "total": 20,+        "described": 20,+        "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