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ADS1219IRTER
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Texas Instruments Analog To Digital Converters (ADC), WQFN-16-EP(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+54@@ -0,0 +1,54 @@+# ADS1219IRTER++**Texas Instruments** · Analog To Digital Converters (ADC) · WQFN-16-EP(3x3)++ADS1219IRTER from Texas Instruments, in a WQFN-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 | RESET | input | Active-low reset input; the datasheet specifies a recommended input range of DGND to DVDD, and it should be tied to DVDD if not used. |+| 2 | DGND | power_in | Digital ground, with DGND to AGND limited to -0.1 V to 0.1 V under recommended operating conditions. |+| 3 | AGND | power_in | Negative analog power supply, which is the analog ground reference for AVDD (AVDD to AGND recommended 2.3 V to 5.5 V). |+| 4 | AIN3 | input | Analog input 3, with absolute input voltage limited to AGND - 0.1 V to AVDD + 0.1 V for gain 1 and gain 4. |+| 5 | AIN2 | input | Analog input 2, with absolute input voltage limited to AGND - 0.1 V to AVDD + 0.1 V for gain 1 and gain 4. |+| 6 | REFN | input | Negative reference input, with absolute voltage limited to AGND - 0.1 V to V(REFP) - 0.75 V. |+| 7 | REFP | input | Positive reference input, with absolute voltage limited to V(REFN) + 0.75 V to AVDD + 0.1 V. |+| 8 | AIN1 | input | Analog input 1, with absolute input voltage limited to AGND - 0.1 V to AVDD + 0.1 V for gain 1 and gain 4. |+| 9 | AIN0 | input | Analog input 0, with absolute input voltage limited to AGND - 0.1 V to AVDD + 0.1 V for gain 1 and gain 4. |+| 10 | AVDD | power_in | Positive analog power supply, 2.3 V to 5.5 V relative to AGND; connect a 100-nF (or larger) capacitor to AGND. |+| 11 | DVDD | power_in | Positive digital power supply, 2.3 V to 5.5 V relative to DGND; connect a 100-nF (or larger) capacitor to DGND. |+| 12 | DRDY | output | Active-low, open-drain data-ready output that must be connected to DVDD through a pullup resistor. |+| 13 | SDA | bidirectional | Serial data input and output for the I2C interface, which must be connected to DVDD through a pullup resistor. |+| 14 | SCL | input | Serial clock input for the I2C interface, which must be connected to DVDD through a pullup resistor; digital input range is DGND to 5.5 V when DVDD is 3.0 V to 5.5 V. |+| 15 | A0 | input | I2C slave address select pin 0, tied to DGND, DVDD, SDA, or SCL; digital input range is DGND to DVDD + 0.5 V for DVDD 2.3 V to 3.0 V and DGND to 5.5 V for DVDD 3.0 V to 5.5 V. |+| 16 | A1 | input | I2C slave address select pin 1, tied to DGND, DVDD, SDA, or SCL; digital input range is DGND to DVDD + 0.5 V for DVDD 2.3 V to 3.0 V and DGND to 5.5 V for DVDD 3.0 V to 5.5 V. |+| 17 | Thermal pad | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | WQFN-16-EP(3x3) |+| Category | Data Acquisition |+| Pins | 17 |++## CAD (KiCad official)++- Symbol: `ADS1219IRTER`+- Footprint: `Package_DFN_QFN:QFN-16-1EP_3x3mm_P0.5mm_EP1.7x1.7mm`+- 3D model: WQFN-16-EP(3x3) (KiCad packages3D, STEP)+- 3D model files: `ads1219irter-etched.step` / `ads1219irter-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `ads1219irter.step` / `ads1219irter.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/ads1219) (57 pp, sha256 `d754cab7e1a8a12d`, 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/ads1219irter-datasheet.pdf)
page.jsonadded+255@@ -0,0 +1,255 @@+{+ "slug": "ads1219irter",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments Analog To Digital Converters (ADC), WQFN-16-EP(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "data acquisition",+ "ads1219irter",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "ads1219irter.kicad_sym",+ "ads1219irter.kicad_mod",+ "ads1219irter.glb",+ "ads1219irter.step",+ "ads1219irter.lbr",+ "docs/hero.png",+ "docs/ads1219irter-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html",+ "ads1219irter-hero.glb",+ "ads1219irter-hero.overlay.json"+ ],+ "component": {+ "mpn": "ADS1219IRTER",+ "manufacturer": "Texas Instruments",+ "package": "WQFN-16-EP(3x3)",+ "pin_count": 17,+ "category": "Data Acquisition",+ "subcategory": "Analog To Digital Converters (ADC)",+ "datasheet": "https://www.ti.com/cn/lit/gpn/ads1219",+ "parts": {+ "symbol": "ads1219irter.kicad_sym",+ "footprint": "ads1219irter.kicad_mod",+ "model_3d": "ads1219irter-hero.glb",+ "model_3d_plain": "ads1219irter.glb",+ "model_3d_step": "ads1219irter-etched.step",+ "model_3d_step_plain": "ads1219irter.step",+ "lbr": "ads1219irter.lbr"+ },+ "distributor_links": {+ "lcsc": "C2670319",+ "digikey": "296-ADS1219IRTERTR-ND",+ "mouser": "595-ADS1219IRTER"+ },+ "distributor_check": {+ "checked_at": "2026-10-08T01:38:22Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "296-ADS1219IRTERTR-ND",+ "status": "found",+ "lifecycle": "Active"+ },+ "mouser": {+ "pn": "595-ADS1219IRTER",+ "status": "found"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "RESET",+ "type": "input",+ "description": "Active-low reset input; the datasheet specifies a recommended input range of DGND to DVDD, and it should be tied to DVDD if not used."+ },+ {+ "number": "2",+ "name": "DGND",+ "type": "power_in",+ "description": "Digital ground, with DGND to AGND limited to -0.1 V to 0.1 V under recommended operating conditions."+ },+ {+ "number": "3",+ "name": "AGND",+ "type": "power_in",+ "description": "Negative analog power supply, which is the analog ground reference for AVDD (AVDD to AGND recommended 2.3 V to 5.5 V)."+ },+ {+ "number": "4",+ "name": "AIN3",+ "type": "input",+ "description": "Analog input 3, with absolute input voltage limited to AGND - 0.1 V to AVDD + 0.1 V for gain 1 and gain 4."+ },+ {+ "number": "5",+ "name": "AIN2",+ "type": "input",+ "description": "Analog input 2, with absolute input voltage limited to AGND - 0.1 V to AVDD + 0.1 V for gain 1 and gain 4."+ },+ {+ "number": "6",+ "name": "REFN",+ "type": "input",+ "description": "Negative reference input, with absolute voltage limited to AGND - 0.1 V to V(REFP) - 0.75 V."+ },+ {+ "number": "7",+ "name": "REFP",+ "type": "input",+ "description": "Positive reference input, with absolute voltage limited to V(REFN) + 0.75 V to AVDD + 0.1 V."+ },+ {+ "number": "8",+ "name": "AIN1",+ "type": "input",+ "description": "Analog input 1, with absolute input voltage limited to AGND - 0.1 V to AVDD + 0.1 V for gain 1 and gain 4."+ },+ {+ "number": "9",+ "name": "AIN0",+ "type": "input",+ "description": "Analog input 0, with absolute input voltage limited to AGND - 0.1 V to AVDD + 0.1 V for gain 1 and gain 4."+ },+ {+ "number": "10",+ "name": "AVDD",+ "type": "power_in",+ "description": "Positive analog power supply, 2.3 V to 5.5 V relative to AGND; connect a 100-nF (or larger) capacitor to AGND."+ },+ {+ "number": "11",+ "name": "DVDD",+ "type": "power_in",+ "description": "Positive digital power supply, 2.3 V to 5.5 V relative to DGND; connect a 100-nF (or larger) capacitor to DGND."+ },+ {+ "number": "12",+ "name": "DRDY",+ "type": "output",+ "description": "Active-low, open-drain data-ready output that must be connected to DVDD through a pullup resistor."+ },+ {+ "number": "13",+ "name": "SDA",+ "type": "bidirectional",+ "description": "Serial data input and output for the I2C interface, which must be connected to DVDD through a pullup resistor."+ },+ {+ "number": "14",+ "name": "SCL",+ "type": "input",+ "description": "Serial clock input for the I2C interface, which must be connected to DVDD through a pullup resistor; digital input range is DGND to 5.5 V when DVDD is 3.0 V to 5.5 V."+ },+ {+ "number": "15",+ "name": "A0",+ "type": "input",+ "description": "I2C slave address select pin 0, tied to DGND, DVDD, SDA, or SCL; digital input range is DGND to DVDD + 0.5 V for DVDD 2.3 V to 3.0 V and DGND to 5.5 V for DVDD 3.0 V to 5.5 V."+ },+ {+ "number": "16",+ "name": "A1",+ "type": "input",+ "description": "I2C slave address select pin 1, tied to DGND, DVDD, SDA, or SCL; digital input range is DGND to DVDD + 0.5 V for DVDD 2.3 V to 3.0 V and DGND to 5.5 V for DVDD 3.0 V to 5.5 V."+ },+ {+ "number": "17",+ "name": "Thermal pad",+ "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 RTE (WQFN-16) pin table on page 3 also lists a 'Thermal pad' (Pad, connect to AGND). It has no p; The datasheet describes DRDY as an open-drain digital output, and I mapped it to KiCad 'output'. Che; The datasheet defines AGND and DGND as separate grounds with a recommended AGND-to-DGND difference o",+ "exposed pad 17 added from the footprint"+ ],+ "pages_sent": 17,+ "cost_usd": 0.0947,+ "at": "2026-10-08T01:38:06"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/ads1219",+ "pages": 57,+ "sha256": "d754cab7e1a8a12d",+ "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": "ads1219irter.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": "ads1219irter-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": "5d80f114abd4706976b2e7c57c6c1a6637424bcb6c01cad63dedd3aedfeaa61f",+ "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]"+ }+}