← Commit history

Initial commit: component/dac7552irgtr

Ray ·f15ef2ff84 ·1d ago
2 files changed +307
README.mdadded+53
@@ -0,0 +1,53 @@+# DAC7552IRGTR++**Texas Instruments** · Digital To Analog Converters (DACs) · TQFN-16-EP(3x3)++DAC7552IRGTR from Texas Instruments, in a TQFN-16-EP(3x3). 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 | VOUTA | output | Analog voltage output from DAC A; the output swings rail-to-rail over 0 V to VREF. |+| 2 | VDD | power_in | Analog supply input, 2.7 V to 5.5 V. |+| 3 | GND | power_in | Ground; the thermal pad should be connected to GND. |+| 4 | VOUTB | output | Analog voltage output from DAC B; the output swings rail-to-rail over 0 V to VREF. |+| 5 | VFBB | input | DAC B amplifier sense input; for voltage output operation, connect to VOUTB externally. |+| 6 | VREFB | input | Positive reference voltage input for DAC B; input range 0 V to VDD. |+| 7 | PD | input | Power-down control input; the datasheet gives no polarity or threshold for this pin in the pin table. |+| 8 | DCEN | input | Daisy-chain enable input. |+| 9 | SDO | output | Serial data output for daisy-chaining; SDO is valid 10 ns max after the SCLK falling edge at VDD = 2.7 V to 3.6 V (t9). |+| 10 | IOVDD | power_in | I/O voltage supply input; for single-supply operation, connect to VDD externally. |+| 11 | SYNC | input | Frame synchronization input; the falling edge of SYNC indicates the start of a serial data frame shifted into the DAC7552. |+| 12 | SCLK | input | Serial clock input, up to 50 MHz. |+| 13 | SDIN | input | Serial data input. |+| 14 | CLR | input | Asynchronous clear input; when low, the DAC registers are set to 000H and the output voltage to 0 V. |+| 15 | VREFA | input | Positive reference voltage input for DAC A; input range 0 V to VDD. |+| 16 | VFBA | input | DAC A amplifier sense input; for voltage output operation, connect to VOUTA externally. |+| 17 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | TQFN-16-EP(3x3) |+| Category | ADC/DAC/Data Conversion |+| Pins | 17 |++## CAD (KiCad official)++- Symbol: `DAC7552IRGTR`+- Footprint: `Package_DFN_QFN:QFN-16-1EP_3x3mm_P0.5mm_EP1.7x1.7mm`+- 3D model: TQFN-16-EP(3x3) (KiCad packages3D, STEP)+- 3D model files: `dac7552irgtr-etched.step` / `dac7552irgtr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `dac7552irgtr.step` / `dac7552irgtr.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/dac7552) (27 pp, sha256 `f62e540c826e1ba2`, 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/dac7552irgtr-datasheet.pdf)
page.jsonadded+254
@@ -0,0 +1,254 @@+{+  "slug": "dac7552irgtr",+  "version": "0.1.0",+  "type": "component",+  "description": "Texas Instruments Digital To Analog Converters (DACs), TQFN-16-EP(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+  "tags": [+    "component",+    "adc-dac-data conversion",+    "dac7552irgtr",+    "factory-2.0.0",+    "extractor-text"+  ],+  "dependencies": {},+  "hero": {+    "type": "image",+    "path": "docs/hero.png"+  },+  "files": [+    "page.json",+    "README.md",+    "dac7552irgtr.kicad_sym",+    "dac7552irgtr.kicad_mod",+    "dac7552irgtr.glb",+    "dac7552irgtr.step",+    "dac7552irgtr.lbr",+    "docs/hero.png",+    "docs/dac7552irgtr-datasheet.pdf",+    "viewers/symbol.html",+    "viewers/footprint.html",+    "dac7552irgtr-hero.glb",+    "dac7552irgtr-hero.overlay.json"+  ],+  "component": {+    "mpn": "DAC7552IRGTR",+    "manufacturer": "Texas Instruments",+    "package": "TQFN-16-EP(3x3)",+    "pin_count": 17,+    "category": "ADC/DAC/Data Conversion",+    "subcategory": "Digital To Analog Converters (DACs)",+    "datasheet": "https://www.ti.com/cn/lit/gpn/dac7552",+    "parts": {+      "symbol": "dac7552irgtr.kicad_sym",+      "footprint": "dac7552irgtr.kicad_mod",+      "model_3d": "dac7552irgtr-hero.glb",+      "model_3d_plain": "dac7552irgtr.glb",+      "model_3d_step": "dac7552irgtr-etched.step",+      "model_3d_step_plain": "dac7552irgtr.step",+      "lbr": "dac7552irgtr.lbr"+    },+    "distributor_links": {+      "lcsc": "C545238",+      "digikey": "296-18222-2-ND",+      "mouser": "595-DAC7552IRGTR"+    },+    "distributor_check": {+      "checked_at": "2026-10-08T01:13:46Z",+      "source": "Component Ocean /api/assign-pns",+      "digikey": {+        "pn": "296-18222-2-ND",+        "status": "found"+      },+      "mouser": {+        "pn": "595-DAC7552IRGTR",+        "status": "found"+      }+    },+    "pins": [+      {+        "number": "1",+        "name": "VOUTA",+        "type": "output",+        "description": "Analog voltage output from DAC A; the output swings rail-to-rail over 0 V to VREF."+      },+      {+        "number": "2",+        "name": "VDD",+        "type": "power_in",+        "description": "Analog supply input, 2.7 V to 5.5 V."+      },+      {+        "number": "3",+        "name": "GND",+        "type": "power_in",+        "description": "Ground; the thermal pad should be connected to GND."+      },+      {+        "number": "4",+        "name": "VOUTB",+        "type": "output",+        "description": "Analog voltage output from DAC B; the output swings rail-to-rail over 0 V to VREF."+      },+      {+        "number": "5",+        "name": "VFBB",+        "type": "input",+        "description": "DAC B amplifier sense input; for voltage output operation, connect to VOUTB externally."+      },+      {+        "number": "6",+        "name": "VREFB",+        "type": "input",+        "description": "Positive reference voltage input for DAC B; input range 0 V to VDD."+      },+      {+        "number": "7",+        "name": "PD",+        "type": "input",+        "description": "Power-down control input; the datasheet gives no polarity or threshold for this pin in the pin table."+      },+      {+        "number": "8",+        "name": "DCEN",+        "type": "input",+        "description": "Daisy-chain enable input."+      },+      {+        "number": "9",+        "name": "SDO",+        "type": "output",+        "description": "Serial data output for daisy-chaining; SDO is valid 10 ns max after the SCLK falling edge at VDD = 2.7 V to 3.6 V (t9)."+      },+      {+        "number": "10",+        "name": "IOVDD",+        "type": "power_in",+        "description": "I/O voltage supply input; for single-supply operation, connect to VDD externally."+      },+      {+        "number": "11",+        "name": "SYNC",+        "type": "input",+        "description": "Frame synchronization input; the falling edge of SYNC indicates the start of a serial data frame shifted into the DAC7552."+      },+      {+        "number": "12",+        "name": "SCLK",+        "type": "input",+        "description": "Serial clock input, up to 50 MHz."+      },+      {+        "number": "13",+        "name": "SDIN",+        "type": "input",+        "description": "Serial data input."+      },+      {+        "number": "14",+        "name": "CLR",+        "type": "input",+        "description": "Asynchronous clear input; when low, the DAC registers are set to 000H and the output voltage to 0 V."+      },+      {+        "number": "15",+        "name": "VREFA",+        "type": "input",+        "description": "Positive reference voltage input for DAC A; input range 0 V to VDD."+      },+      {+        "number": "16",+        "name": "VFBA",+        "type": "input",+        "description": "DAC A amplifier sense input; for voltage output operation, connect to VOUTA externally."+      },+      {+        "number": "17",+        "name": "EP",+        "type": "passive",+        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."+      }+    ],+    "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 RGT (VQFN-16) package has an exposed thermal pad. The pin table gives it no number, so it is not; Pin 7 (PD) is described only as 'Power-down' in the pin table. The polarity (active-high or active-l; Pin 9 (SDO) description combines the pin-table function with the t9 timing value from page 4 (10 ns ",+          "exposed pad 17 added from the footprint"+        ],+        "pages_sent": 9,+        "cost_usd": 0.061,+        "at": "2026-10-08T01:13:29"+      },+      "datasheet": {+        "url": "https://www.ti.com/cn/lit/gpn/dac7552",+        "pages": 27,+        "sha256": "f62e540c826e1ba2",+        "source_tier": "lcsc"+      },+      "cad": "KiCad official (CC-BY-SA 4.0)",+      "pins": {+        "total": 17,+        "described": 17,+        "cites_pages": true,+        "refuses_to_fabricate": true+      }+    },+    "viewers": {+      "symbol": "viewers/symbol.html",+      "footprint": "viewers/footprint.html"+    },+    "models_3d": [+      {+        "file": "dac7552irgtr.step",+        "role": "plain",+        "up": "Z",+        "units": "mm",+        "origin": "footprint origin = pad-pattern centre",+        "seat": "z = 0",+        "extents_mm": [+          3,+          3,+          0.785+        ],+        "zmin_mm": 0,+        "centre_offset_mm": 0,+        "footprint_binding": "identity",+        "sha256": "3eb81ffac423a66cdcfead8efe56401da171edaf1f2257049aad7b2d3900f6c8",+        "checked": "2026-10-08",+        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+      },+      {+        "file": "dac7552irgtr-etched.step",+        "role": "eda",+        "up": "Z",+        "units": "mm",+        "origin": "footprint origin = pad-pattern centre",+        "seat": "z = 0",+        "extents_mm": [+          3,+          3,+          0.785+        ],+        "zmin_mm": 0,+        "centre_offset_mm": 0,+        "footprint_binding": "identity",+        "sha256": "de4d39b3244c325262c3b3170432d3958439f2dcf1e340629aed0ab9eb5ff8a9",+        "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