← Commit history

Initial commit: component/ads7961srhbr

Ray ·57d63575c9 ·2d ago
2 files changed +421
README.mdadded+70
@@ -0,0 +1,70 @@+# ADS7961SRHBR++**Texas Instruments** · Analog To Digital Converters (ADC) · VQFN-32-EP(5x5)++ADS7961SRHBR from Texas Instruments, in a VQFN-32-EP(5x5). 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 | AGND | power_in | Analog ground pin of the ADC and multiplexer. |+| 2 | MXO | output | Multiplexer output that feeds the ADC analog input path. |+| 3 | AINP | input | ADC analog input signal pin, referenced to AINM. |+| 4 | AINM | input | ADC analog input ground pin, to which AINP is referenced. |+| 5 | CH15 | input | Analog input channel 15 of the multiplexer; AINP or CHn to AGND must stay between -0.3 V and VA + 0.3 V. |+| 6 | CH14 | input | Analog input channel 14 of the multiplexer; AINP or CHn to AGND must stay between -0.3 V and VA + 0.3 V. |+| 7 | CH13 | input | Analog input channel 13 of the multiplexer; AINP or CHn to AGND must stay between -0.3 V and VA + 0.3 V. |+| 8 | CH12 | input | Analog input channel 12 of the multiplexer; AINP or CHn to AGND must stay between -0.3 V and VA + 0.3 V. |+| 9 | CH11 | input | Analog input channel 11 of the multiplexer; AINP or CHn to AGND must stay between -0.3 V and VA + 0.3 V. |+| 10 | CH10 | input | Analog input channel 10 of the multiplexer; AINP or CHn to AGND must stay between -0.3 V and VA + 0.3 V. |+| 11 | CH9 | input | Analog input channel 9 of the multiplexer; AINP or CHn to AGND must stay between -0.3 V and VA + 0.3 V. |+| 12 | CH8 | input | Analog input channel 8 of the multiplexer; AINP or CHn to AGND must stay between -0.3 V and VA + 0.3 V. |+| 13 | CH7 | input | Analog input channel 7 of the multiplexer; AINP or CHn to AGND must stay between -0.3 V and VA + 0.3 V. |+| 14 | CH6 | input | Analog input channel 6 of the multiplexer; AINP or CHn to AGND must stay between -0.3 V and VA + 0.3 V. |+| 15 | CH5 | input | Analog input channel 5 of the multiplexer; AINP or CHn to AGND must stay between -0.3 V and VA + 0.3 V. |+| 16 | CH4 | input | Analog input channel 4 of the multiplexer; AINP or CHn to AGND must stay between -0.3 V and VA + 0.3 V. |+| 17 | CH3 | input | Analog input channel 3 of the multiplexer; AINP or CHn to AGND must stay between -0.3 V and VA + 0.3 V. |+| 18 | CH2 | input | Analog input channel 2 of the multiplexer; AINP or CHn to AGND must stay between -0.3 V and VA + 0.3 V. |+| 19 | CH1 | input | Analog input channel 1 of the multiplexer; AINP or CHn to AGND must stay between -0.3 V and VA + 0.3 V. |+| 20 | CH0 | input | Analog input channel 0 of the multiplexer; AINP or CHn to AGND must stay between -0.3 V and VA + 0.3 V. |+| 21 | +VA | power_in | Analog power supply; 2.7 V to 5.25 V recommended (3.3 V nominal). |+| 22 | AGND | power_in | Analog ground pin of the ADC and multiplexer. |+| 23 | CS | input | Active-low chip-select input; the ADC samples its input on the CS falling edge. |+| 24 | SCLK | input | Serial clock input; SCLK frequency up to 20 MHz. |+| 25 | SDI | input | Serial data input pin. |+| 26 | SDO | output | Serial data output pin. |+| 27 | BDGND | power_in | Digital ground for the digital I/O supply domain. |+| 28 | +VBD | power_in | Digital I/O supply; 1.7 V to +VA. |+| 29 | GPIO0 | bidirectional | General-purpose input or output; configurable as the active-high alarm output. |+| 30 | REFM | input | Reference ground pin for the external reference input. |+| 31 | REFP | input | Reference input; 2 V to 3 V recommended range (2.5 V nominal), with a 10 µF decoupling capacitor between REFP and REFM. |+| 32 | +VA | power_in | Analog power supply; 2.7 V to 5.25 V recommended (3.3 V nominal). |+| 33 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | VQFN-32-EP(5x5) |+| Category | Data Acquisition |+| Pins | 33 |++## CAD (KiCad official)++- Symbol: `ADS7961SRHBR`+- Footprint: `Package_DFN_QFN:QFN-32-1EP_5x5mm_P0.5mm_EP3.3x3.3mm`+- 3D model: VQFN-32-EP(5x5) (KiCad packages3D, STEP)+- 3D model files: `ads7961srhbr-etched.step` / `ads7961srhbr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `ads7961srhbr.step` / `ads7961srhbr.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/ads7955) (87 pp, sha256 `8ef9ce324ee60500`, retrieved 2026-10-08, tier: lcsc)+- **Datasheet language:** Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.+- **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/ads7961srhbr-datasheet.pdf)
page.jsonadded+351
@@ -0,0 +1,351 @@+{+  "slug": "ads7961srhbr",+  "version": "0.1.0",+  "type": "component",+  "description": "Texas Instruments Analog To Digital Converters (ADC), VQFN-32-EP(5x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+  "tags": [+    "component",+    "data acquisition",+    "ads7961srhbr",+    "factory-2.0.0",+    "extractor-text"+  ],+  "dependencies": {},+  "hero": {+    "type": "image",+    "path": "docs/hero.png"+  },+  "files": [+    "page.json",+    "README.md",+    "ads7961srhbr.kicad_sym",+    "ads7961srhbr.kicad_mod",+    "ads7961srhbr.glb",+    "ads7961srhbr.step",+    "ads7961srhbr.lbr",+    "docs/hero.png",+    "docs/ads7961srhbr-datasheet.pdf",+    "viewers/symbol.html",+    "viewers/footprint.html",+    "ads7961srhbr-hero.glb",+    "ads7961srhbr-hero.overlay.json"+  ],+  "component": {+    "mpn": "ADS7961SRHBR",+    "manufacturer": "Texas Instruments",+    "package": "VQFN-32-EP(5x5)",+    "pin_count": 33,+    "category": "Data Acquisition",+    "subcategory": "Analog To Digital Converters (ADC)",+    "datasheet": "https://www.ti.com/cn/lit/gpn/ads7955",+    "parts": {+      "symbol": "ads7961srhbr.kicad_sym",+      "footprint": "ads7961srhbr.kicad_mod",+      "model_3d": "ads7961srhbr-hero.glb",+      "model_3d_plain": "ads7961srhbr.glb",+      "model_3d_step": "ads7961srhbr-etched.step",+      "model_3d_step_plain": "ads7961srhbr.step",+      "lbr": "ads7961srhbr.lbr"+    },+    "distributor_links": {+      "lcsc": "C2868381",+      "digikey": "ADS7961SRHBR-ND",+      "mouser": "595-ADS7961SRHBR"+    },+    "distributor_check": {+      "checked_at": "2026-10-08T01:43:09Z",+      "source": "Component Ocean /api/assign-pns",+      "digikey": {+        "pn": "ADS7961SRHBR-ND",+        "status": "found",+        "lifecycle": "Active"+      },+      "mouser": {+        "pn": "595-ADS7961SRHBR",+        "status": "found"+      }+    },+    "pins": [+      {+        "number": "1",+        "name": "AGND",+        "type": "power_in",+        "description": "Analog ground pin of the ADC and multiplexer."+      },+      {+        "number": "2",+        "name": "MXO",+        "type": "output",+        "description": "Multiplexer output that feeds the ADC analog input path."+      },+      {+        "number": "3",+        "name": "AINP",+        "type": "input",+        "description": "ADC analog input signal pin, referenced to AINM."+      },+      {+        "number": "4",+        "name": "AINM",+        "type": "input",+        "description": "ADC analog input ground pin, to which AINP is referenced."+      },+      {+        "number": "5",+        "name": "CH15",+        "type": "input",+        "description": "Analog input channel 15 of the multiplexer; AINP or CHn to AGND must stay between -0.3 V and VA + 0.3 V."+      },+      {+        "number": "6",+        "name": "CH14",+        "type": "input",+        "description": "Analog input channel 14 of the multiplexer; AINP or CHn to AGND must stay between -0.3 V and VA + 0.3 V."+      },+      {+        "number": "7",+        "name": "CH13",+        "type": "input",+        "description": "Analog input channel 13 of the multiplexer; AINP or CHn to AGND must stay between -0.3 V and VA + 0.3 V."+      },+      {+        "number": "8",+        "name": "CH12",+        "type": "input",+        "description": "Analog input channel 12 of the multiplexer; AINP or CHn to AGND must stay between -0.3 V and VA + 0.3 V."+      },+      {+        "number": "9",+        "name": "CH11",+        "type": "input",+        "description": "Analog input channel 11 of the multiplexer; AINP or CHn to AGND must stay between -0.3 V and VA + 0.3 V."+      },+      {+        "number": "10",+        "name": "CH10",+        "type": "input",+        "description": "Analog input channel 10 of the multiplexer; AINP or CHn to AGND must stay between -0.3 V and VA + 0.3 V."+      },+      {+        "number": "11",+        "name": "CH9",+        "type": "input",+        "description": "Analog input channel 9 of the multiplexer; AINP or CHn to AGND must stay between -0.3 V and VA + 0.3 V."+      },+      {+        "number": "12",+        "name": "CH8",+        "type": "input",+        "description": "Analog input channel 8 of the multiplexer; AINP or CHn to AGND must stay between -0.3 V and VA + 0.3 V."+      },+      {+        "number": "13",+        "name": "CH7",+        "type": "input",+        "description": "Analog input channel 7 of the multiplexer; AINP or CHn to AGND must stay between -0.3 V and VA + 0.3 V."+      },+      {+        "number": "14",+        "name": "CH6",+        "type": "input",+        "description": "Analog input channel 6 of the multiplexer; AINP or CHn to AGND must stay between -0.3 V and VA + 0.3 V."+      },+      {+        "number": "15",+        "name": "CH5",+        "type": "input",+        "description": "Analog input channel 5 of the multiplexer; AINP or CHn to AGND must stay between -0.3 V and VA + 0.3 V."+      },+      {+        "number": "16",+        "name": "CH4",+        "type": "input",+        "description": "Analog input channel 4 of the multiplexer; AINP or CHn to AGND must stay between -0.3 V and VA + 0.3 V."+      },+      {+        "number": "17",+        "name": "CH3",+        "type": "input",+        "description": "Analog input channel 3 of the multiplexer; AINP or CHn to AGND must stay between -0.3 V and VA + 0.3 V."+      },+      {+        "number": "18",+        "name": "CH2",+        "type": "input",+        "description": "Analog input channel 2 of the multiplexer; AINP or CHn to AGND must stay between -0.3 V and VA + 0.3 V."+      },+      {+        "number": "19",+        "name": "CH1",+        "type": "input",+        "description": "Analog input channel 1 of the multiplexer; AINP or CHn to AGND must stay between -0.3 V and VA + 0.3 V."+      },+      {+        "number": "20",+        "name": "CH0",+        "type": "input",+        "description": "Analog input channel 0 of the multiplexer; AINP or CHn to AGND must stay between -0.3 V and VA + 0.3 V."+      },+      {+        "number": "21",+        "name": "+VA",+        "type": "power_in",+        "description": "Analog power supply; 2.7 V to 5.25 V recommended (3.3 V nominal)."+      },+      {+        "number": "22",+        "name": "AGND",+        "type": "power_in",+        "description": "Analog ground pin of the ADC and multiplexer."+      },+      {+        "number": "23",+        "name": "CS",+        "type": "input",+        "description": "Active-low chip-select input; the ADC samples its input on the CS falling edge."+      },+      {+        "number": "24",+        "name": "SCLK",+        "type": "input",+        "description": "Serial clock input; SCLK frequency up to 20 MHz."+      },+      {+        "number": "25",+        "name": "SDI",+        "type": "input",+        "description": "Serial data input pin."+      },+      {+        "number": "26",+        "name": "SDO",+        "type": "output",+        "description": "Serial data output pin."+      },+      {+        "number": "27",+        "name": "BDGND",+        "type": "power_in",+        "description": "Digital ground for the digital I/O supply domain."+      },+      {+        "number": "28",+        "name": "+VBD",+        "type": "power_in",+        "description": "Digital I/O supply; 1.7 V to +VA."+      },+      {+        "number": "29",+        "name": "GPIO0",+        "type": "bidirectional",+        "description": "General-purpose input or output; configurable as the active-high alarm output."+      },+      {+        "number": "30",+        "name": "REFM",+        "type": "input",+        "description": "Reference ground pin for the external reference input."+      },+      {+        "number": "31",+        "name": "REFP",+        "type": "input",+        "description": "Reference input; 2 V to 3 V recommended range (2.5 V nominal), with a 10 µF decoupling capacitor between REFP and REFM."+      },+      {+        "number": "32",+        "name": "+VA",+        "type": "power_in",+        "description": "Analog power supply; 2.7 V to 5.25 V recommended (3.3 V nominal)."+      },+      {+        "number": "33",+        "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 datasheet covers the whole ADS79xx family. The ADS7961 pinout was taken from the 'ADS7953/ADS795; The NC row in the VQFN table is printed in merged columns that are hard to map to individual parts. ; GPIO1, GPIO2 and GPIO3 are TSSOP-only. The VQFN package has a single GPIO (GPIO0, pin 29), so GPIO1-",+          "exposed pad 33 added from the footprint"+        ],+        "pages_sent": 26,+        "cost_usd": 0.1861,+        "at": "2026-10-08T01:42:51"+      },+      "datasheet": {+        "url": "https://www.ti.com/cn/lit/gpn/ads7955",+        "pages": 87,+        "sha256": "8ef9ce324ee60500",+        "source_tier": "lcsc"+      },+      "cad": "KiCad official (CC-BY-SA 4.0)",+      "pins": {+        "total": 33,+        "described": 33,+        "cites_pages": true,+        "refuses_to_fabricate": true+      }+    },+    "viewers": {+      "symbol": "viewers/symbol.html",+      "footprint": "viewers/footprint.html"+    },+    "models_3d": [+      {+        "file": "ads7961srhbr.step",+        "role": "plain",+        "up": "Z",+        "units": "mm",+        "origin": "footprint origin = pad-pattern centre",+        "seat": "z = 0",+        "extents_mm": [+          5,+          5,+          0.875+        ],+        "zmin_mm": 0,+        "centre_offset_mm": 0,+        "footprint_binding": "identity",+        "sha256": "5fa713ea46b36980895812ed853577889b7cb06d275041a39b99bc0be305dc79",+        "checked": "2026-10-08",+        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+      },+      {+        "file": "ads7961srhbr-etched.step",+        "role": "eda",+        "up": "Z",+        "units": "mm",+        "origin": "footprint origin = pad-pattern centre",+        "seat": "z = 0",+        "extents_mm": [+          5,+          5,+          0.875+        ],+        "zmin_mm": 0,+        "centre_offset_mm": 0,+        "footprint_binding": "identity",+        "sha256": "750fef2ac28a632baf64901aeaa7b9d9e9e042b0e8621f416624560549bf8a79",+        "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