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Initial commit: component/dac8814ibdbt

Ray ·d83b24c652 ·4d ago
2 files changed +341
README.mdadded+64
@@ -0,0 +1,64 @@+# DAC8814IBDBT++**Texas Instruments** · Digital To Analog Converters (DAC) · SSOP-28++DAC8814IBDBT from Texas Instruments, in a SSOP-28. 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 | AGNDA | power_in | DAC A analog ground. |+| 2 | IOUTA | output | DAC A current output with 2 mA maximum full-scale output current at 10 V VREF. |+| 3 | VREFA | input | DAC A reference voltage input terminal with ±18 V maximum range establishing full-scale output voltage. |+| 4 | RFBA | passive | DAC A feedback resistor connection for external I-to-V converter. |+| 5 | MSB | input | MSB bit set during reset pulse or power-on; sets registers to 8000h when high or 0000h when low. |+| 6 | RS | input | Reset pin active low; forces all input and DAC registers to zero-code (MSB = 0) or half-scale code 8000h (MSB = 1). |+| 7 | VDD | power_in | Positive power-supply input with specified operating range +2.7 V to +5.5 V. |+| 8 | CS | input | Chip select active low input; disables shift register loading when high and transfers shift register data to input register when going high. |+| 9 | CLK | input | Clock input positive edge triggered; clocks serial data into the 18-bit shift register at rates up to 50 MHz. |+| 10 | SDI | input | Serial data input loading MSB-first data directly into the shift register. |+| 11 | RFBB | passive | DAC B feedback resistor connection for external I-to-V converter. |+| 12 | VREFB | input | DAC B reference voltage input terminal with ±18 V maximum range establishing full-scale output voltage. |+| 13 | IOUTB | output | DAC B current output with 2 mA maximum full-scale output current at 10 V VREF. |+| 14 | AGNDB | power_in | DAC B analog ground. |+| 15 | AGNDC | power_in | DAC C analog ground. |+| 16 | IOUTC | output | DAC C current output with 2 mA maximum full-scale output current at 10 V VREF. |+| 17 | VREFC | input | DAC C reference voltage input terminal with ±18 V maximum range establishing full-scale output voltage. |+| 18 | RFBC | passive | DAC C feedback resistor connection for external I-to-V converter. |+| 19 | NC | unconnected | No internal connection; leave floating. |+| 20 | SDO | output | Serial data output with data available 19 clock pulses after serial data input at SDI pin for daisy-chaining multiple devices. |+| 21 | LDAC | input | Load DAC register strobe level-sensitive active low input; transfers all input register data to DAC registers asynchronously. |+| 22 | AGNDF | power_in | High current analog force ground. |+| 23 | VSS | power_in | No internal connection; leave floating. |+| 24 | DGND | power_in | Digital ground. |+| 25 | RFBD | passive | DAC D feedback resistor connection for external I-to-V converter. |+| 26 | VREFD | input | DAC D reference voltage input terminal with ±18 V maximum range establishing full-scale output voltage. |+| 27 | IOUTD | output | DAC D current output with 2 mA maximum full-scale output current at 10 V VREF. |+| 28 | AGNDD | power_in | DAC D analog ground. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SSOP-28 |+| Category | Data Acquisition |+| Pins | 28 |++## CAD (KiCad official)++- Symbol: `DAC8814IBDBT`+- Footprint: `Package_SO:SSOP-28_5.3x10.2mm_P0.65mm`+- 3D model: SSOP-28 (KiCad packages3D, STEP)+- 3D model files: `dac8814ibdbt-etched.step` / `dac8814ibdbt-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `dac8814ibdbt.step` / `dac8814ibdbt.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/dac8814) (30 pp, sha256 `ac0123b387c7c750`, retrieved 2026-10-01, 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/dac8814ibdbt-datasheet.pdf)
page.jsonadded+277
@@ -0,0 +1,277 @@+{+  "slug": "dac8814ibdbt",+  "version": "0.1.0",+  "type": "component",+  "description": "Texas Instruments Digital To Analog Converters (DAC), SSOP-28. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+  "tags": [+    "component",+    "data acquisition",+    "dac8814ibdbt",+    "factory-2.0.0",+    "extractor-text"+  ],+  "dependencies": {},+  "hero": {+    "type": "image",+    "path": "docs/hero.png"+  },+  "files": [+    "page.json",+    "README.md",+    "dac8814ibdbt.kicad_sym",+    "dac8814ibdbt.kicad_mod",+    "dac8814ibdbt.glb",+    "dac8814ibdbt.step",+    "dac8814ibdbt.lbr",+    "docs/hero.png",+    "docs/dac8814ibdbt-datasheet.pdf",+    "viewers/symbol.html",+    "viewers/footprint.html"+  ],+  "component": {+    "mpn": "DAC8814IBDBT",+    "manufacturer": "Texas Instruments",+    "package": "SSOP-28",+    "pin_count": 28,+    "category": "Data Acquisition",+    "subcategory": "Digital To Analog Converters (DAC)",+    "datasheet": "https://www.ti.com/cn/lit/gpn/dac8814",+    "parts": {+      "symbol": "dac8814ibdbt.kicad_sym",+      "footprint": "dac8814ibdbt.kicad_mod",+      "model_3d": "dac8814ibdbt-etched.glb",+      "model_3d_plain": "dac8814ibdbt.glb",+      "model_3d_step": "dac8814ibdbt-etched.step",+      "model_3d_step_plain": "dac8814ibdbt.step",+      "lbr": "dac8814ibdbt.lbr"+    },+    "distributor_links": {+      "lcsc": "C2837738",+      "digikey": "296-18608-2-ND",+      "mouser": "595-DAC8814IBDBT"+    },+    "distributor_check": {+      "checked_at": "2026-10-01T03:40:02Z",+      "source": "Component Ocean /api/assign-pns",+      "digikey": {+        "pn": "296-18608-2-ND",+        "status": "found"+      },+      "mouser": {+        "pn": "595-DAC8814IBDBT",+        "status": "found"+      }+    },+    "pins": [+      {+        "number": "1",+        "name": "AGNDA",+        "type": "power_in",+        "description": "DAC A analog ground."+      },+      {+        "number": "2",+        "name": "IOUTA",+        "type": "output",+        "description": "DAC A current output with 2 mA maximum full-scale output current at 10 V VREF."+      },+      {+        "number": "3",+        "name": "VREFA",+        "type": "input",+        "description": "DAC A reference voltage input terminal with ±18 V maximum range establishing full-scale output voltage."+      },+      {+        "number": "4",+        "name": "RFBA",+        "type": "passive",+        "description": "DAC A feedback resistor connection for external I-to-V converter."+      },+      {+        "number": "5",+        "name": "MSB",+        "type": "input",+        "description": "MSB bit set during reset pulse or power-on; sets registers to 8000h when high or 0000h when low."+      },+      {+        "number": "6",+        "name": "RS",+        "type": "input",+        "description": "Reset pin active low; forces all input and DAC registers to zero-code (MSB = 0) or half-scale code 8000h (MSB = 1)."+      },+      {+        "number": "7",+        "name": "VDD",+        "type": "power_in",+        "description": "Positive power-supply input with specified operating range +2.7 V to +5.5 V."+      },+      {+        "number": "8",+        "name": "CS",+        "type": "input",+        "description": "Chip select active low input; disables shift register loading when high and transfers shift register data to input register when going high."+      },+      {+        "number": "9",+        "name": "CLK",+        "type": "input",+        "description": "Clock input positive edge triggered; clocks serial data into the 18-bit shift register at rates up to 50 MHz."+      },+      {+        "number": "10",+        "name": "SDI",+        "type": "input",+        "description": "Serial data input loading MSB-first data directly into the shift register."+      },+      {+        "number": "11",+        "name": "RFBB",+        "type": "passive",+        "description": "DAC B feedback resistor connection for external I-to-V converter."+      },+      {+        "number": "12",+        "name": "VREFB",+        "type": "input",+        "description": "DAC B reference voltage input terminal with ±18 V maximum range establishing full-scale output voltage."+      },+      {+        "number": "13",+        "name": "IOUTB",+        "type": "output",+        "description": "DAC B current output with 2 mA maximum full-scale output current at 10 V VREF."+      },+      {+        "number": "14",+        "name": "AGNDB",+        "type": "power_in",+        "description": "DAC B analog ground."+      },+      {+        "number": "15",+        "name": "AGNDC",+        "type": "power_in",+        "description": "DAC C analog ground."+      },+      {+        "number": "16",+        "name": "IOUTC",+        "type": "output",+        "description": "DAC C current output with 2 mA maximum full-scale output current at 10 V VREF."+      },+      {+        "number": "17",+        "name": "VREFC",+        "type": "input",+        "description": "DAC C reference voltage input terminal with ±18 V maximum range establishing full-scale output voltage."+      },+      {+        "number": "18",+        "name": "RFBC",+        "type": "passive",+        "description": "DAC C feedback resistor connection for external I-to-V converter."+      },+      {+        "number": "19",+        "name": "NC",+        "type": "unconnected",+        "description": "No internal connection; leave floating."+      },+      {+        "number": "20",+        "name": "SDO",+        "type": "output",+        "description": "Serial data output with data available 19 clock pulses after serial data input at SDI pin for daisy-chaining multiple devices."+      },+      {+        "number": "21",+        "name": "LDAC",+        "type": "input",+        "description": "Load DAC register strobe level-sensitive active low input; transfers all input register data to DAC registers asynchronously."+      },+      {+        "number": "22",+        "name": "AGNDF",+        "type": "power_in",+        "description": "High current analog force ground."+      },+      {+        "number": "23",+        "name": "VSS",+        "type": "power_in",+        "description": "No internal connection; leave floating."+      },+      {+        "number": "24",+        "name": "DGND",+        "type": "power_in",+        "description": "Digital ground."+      },+      {+        "number": "25",+        "name": "RFBD",+        "type": "passive",+        "description": "DAC D feedback resistor connection for external I-to-V converter."+      },+      {+        "number": "26",+        "name": "VREFD",+        "type": "input",+        "description": "DAC D reference voltage input terminal with ±18 V maximum range establishing full-scale output voltage."+      },+      {+        "number": "27",+        "name": "IOUTD",+        "type": "output",+        "description": "DAC D current output with 2 mA maximum full-scale output current at 10 V VREF."+      },+      {+        "number": "28",+        "name": "AGNDD",+        "type": "power_in",+        "description": "DAC D analog ground."+      }+    ],+    "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": [+          "extractor flagged: Multiple ground pins (AGNDA, AGNDB, AGNDC, AGNDD, AGNDF, DGND) require careful PCB layout per datash; Feedback resistor pins (RFBA, RFBB, RFBC, RFBD) require external I-to-V converter circuits with feed"+        ],+        "pages_sent": 11,+        "cost_usd": 0.1823,+        "at": "2026-10-01T03:39:40"+      },+      "datasheet": {+        "url": "https://www.ti.com/cn/lit/gpn/dac8814",+        "pages": 30,+        "sha256": "ac0123b387c7c750",+        "source_tier": "lcsc"+      },+      "cad": "KiCad official (CC-BY-SA 4.0)",+      "pins": {+        "total": 28,+        "described": 28,+        "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