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ADS1261BIRHBT
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Texas Instruments Analog To Digital Converters (ADCs), VQFN-32-EP(5x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+70@@ -0,0 +1,70 @@+# ADS1261BIRHBT++**Texas Instruments** · Analog To Digital Converters (ADCs) · VQFN-32-EP(5x5)++ADS1261BIRHBT 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 | AINCOM | bidirectional | Analog input common, also usable as the IDAC1, IDAC2 and VBIAS connection. |+| 2 | CAPP | output | PGA output P; connect a 4.7-nF C0G dielectric capacitor across CAPP and CAPN. |+| 3 | CAPN | output | PGA output N; connect a 4.7-nF C0G dielectric capacitor across CAPP and CAPN. |+| 4 | AVDD | power_in | Positive analog power supply; AVDD to AVSS absolute maximum is 7 V. |+| 5 | AVSS | power_in | Negative analog power supply; also the connection point for the exposed thermal pad. |+| 6 | REFOUT | output | Internal 2.5-V reference output; connect a 10-µF capacitor to AVSS. |+| 7 | PWDN | input | Power-down control input, active low. |+| 8 | RESET | input | Reset input, active low. |+| 9 | START | input | Start conversion control input, active high. |+| 10 | CS | input | Serial interface chip select, active low; must remain low for the entire data transaction. |+| 11 | SCLK | input | Serial interface shift clock input; Schmitt-triggered input that should be kept noise-free. |+| 12 | DIN | input | Serial interface data input; data are latched on the falling edge of SCLK. |+| 13 | DRDY | output | Data ready indicator output, active low. |+| 14 | DOUT/DRDY | output | Dual-function serial data output and active-low data ready indicator; high-impedance when CS is high. |+| 15 | BYPASS | output | Internal subregulator bypass; connect a 1-µF capacitor to DGND. |+| 16 | DGND | power_in | Digital ground. |+| 17 | DVDD | power_in | Digital power supply; DVDD to DGND absolute maximum is 7 V. |+| 18 | CLKIN | input | Connect to DGND for the internal oscillator, or drive with an external clock input. |+| 19 | NC | unconnected | No connection; electrically float or connect to DGND. |+| 20 | NC | unconnected | No connection; electrically float or connect to DGND. |+| 21 | NC | unconnected | No connection; electrically float or connect to DGND. |+| 22 | NC | unconnected | No connection; electrically float or connect to DGND. |+| 23 | AIN9 | bidirectional | Analog input 9, also usable as IDAC1 and IDAC2 connection. |+| 24 | AIN8 | bidirectional | Analog input 8, also usable as IDAC1 and IDAC2 connection. |+| 25 | AIN7 | bidirectional | Analog input 7, also usable as IDAC1 and IDAC2 connection. |+| 26 | AIN6 | bidirectional | Analog input 6, also usable as IDAC1 and IDAC2 connection. |+| 27 | AIN5 | bidirectional | Analog input 5, also usable as IDAC1/IDAC2, GPIO3 and ACX2. |+| 28 | AIN4 | bidirectional | Analog input 4, also usable as IDAC1/IDAC2, GPIO2 and ACX1. |+| 29 | AIN3 | bidirectional | Analog input 3, also usable as IDAC1/IDAC2, REFN1, GPIO1 and ACX2. |+| 30 | AIN2 | bidirectional | Analog input 2, also usable as IDAC1/IDAC2, REFP1, GPIO0 and ACX1. |+| 31 | AIN1 | bidirectional | Analog input 1, also usable as IDAC1/IDAC2 and REFN0. |+| 32 | AIN0 | bidirectional | Analog input 0, also usable as IDAC1/IDAC2 and REFP0. |+| 33 | Thermal Pad | passive | Exposed thermal pad; connect to AVSS, and the pad must be soldered for mechanical integrity. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | VQFN-32-EP(5x5) |+| Category | ADC/DAC/Data Conversion |+| Pins | 33 |++## CAD (KiCad official)++- Symbol: `ADS1261BIRHBT`+- 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: `ads1261birhbt-etched.step` / `ads1261birhbt-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `ads1261birhbt.step` / `ads1261birhbt.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/ads1261) (92 pp, sha256 `0369aa88e789386f`, 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/ads1261birhbt-datasheet.pdf)
page.jsonadded+351@@ -0,0 +1,351 @@+{+ "slug": "ads1261birhbt",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments Analog To Digital Converters (ADCs), VQFN-32-EP(5x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "adc-dac-data conversion",+ "ads1261birhbt",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "ads1261birhbt.kicad_sym",+ "ads1261birhbt.kicad_mod",+ "ads1261birhbt.glb",+ "ads1261birhbt.step",+ "ads1261birhbt.lbr",+ "docs/hero.png",+ "docs/ads1261birhbt-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html",+ "ads1261birhbt-hero.glb",+ "ads1261birhbt-hero.overlay.json"+ ],+ "component": {+ "mpn": "ADS1261BIRHBT",+ "manufacturer": "Texas Instruments",+ "package": "VQFN-32-EP(5x5)",+ "pin_count": 33,+ "category": "ADC/DAC/Data Conversion",+ "subcategory": "Analog To Digital Converters (ADCs)",+ "datasheet": "https://www.ti.com/cn/lit/gpn/ads1261",+ "parts": {+ "symbol": "ads1261birhbt.kicad_sym",+ "footprint": "ads1261birhbt.kicad_mod",+ "model_3d": "ads1261birhbt-hero.glb",+ "model_3d_plain": "ads1261birhbt.glb",+ "model_3d_step": "ads1261birhbt-etched.step",+ "model_3d_step_plain": "ads1261birhbt.step",+ "lbr": "ads1261birhbt.lbr"+ },+ "distributor_links": {+ "lcsc": "C2669964",+ "digikey": "296-53167-2-ND",+ "mouser": "595-ADS1261BIRHBT"+ },+ "distributor_check": {+ "checked_at": "2026-10-08T02:12:01Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "296-53167-2-ND",+ "status": "found",+ "lifecycle": "Active"+ },+ "mouser": {+ "pn": "595-ADS1261BIRHBT",+ "status": "found"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "AINCOM",+ "type": "bidirectional",+ "description": "Analog input common, also usable as the IDAC1, IDAC2 and VBIAS connection."+ },+ {+ "number": "2",+ "name": "CAPP",+ "type": "output",+ "description": "PGA output P; connect a 4.7-nF C0G dielectric capacitor across CAPP and CAPN."+ },+ {+ "number": "3",+ "name": "CAPN",+ "type": "output",+ "description": "PGA output N; connect a 4.7-nF C0G dielectric capacitor across CAPP and CAPN."+ },+ {+ "number": "4",+ "name": "AVDD",+ "type": "power_in",+ "description": "Positive analog power supply; AVDD to AVSS absolute maximum is 7 V."+ },+ {+ "number": "5",+ "name": "AVSS",+ "type": "power_in",+ "description": "Negative analog power supply; also the connection point for the exposed thermal pad."+ },+ {+ "number": "6",+ "name": "REFOUT",+ "type": "output",+ "description": "Internal 2.5-V reference output; connect a 10-µF capacitor to AVSS."+ },+ {+ "number": "7",+ "name": "PWDN",+ "type": "input",+ "description": "Power-down control input, active low."+ },+ {+ "number": "8",+ "name": "RESET",+ "type": "input",+ "description": "Reset input, active low."+ },+ {+ "number": "9",+ "name": "START",+ "type": "input",+ "description": "Start conversion control input, active high."+ },+ {+ "number": "10",+ "name": "CS",+ "type": "input",+ "description": "Serial interface chip select, active low; must remain low for the entire data transaction."+ },+ {+ "number": "11",+ "name": "SCLK",+ "type": "input",+ "description": "Serial interface shift clock input; Schmitt-triggered input that should be kept noise-free."+ },+ {+ "number": "12",+ "name": "DIN",+ "type": "input",+ "description": "Serial interface data input; data are latched on the falling edge of SCLK."+ },+ {+ "number": "13",+ "name": "DRDY",+ "type": "output",+ "description": "Data ready indicator output, active low."+ },+ {+ "number": "14",+ "name": "DOUT/DRDY",+ "type": "output",+ "description": "Dual-function serial data output and active-low data ready indicator; high-impedance when CS is high."+ },+ {+ "number": "15",+ "name": "BYPASS",+ "type": "output",+ "description": "Internal subregulator bypass; connect a 1-µF capacitor to DGND."+ },+ {+ "number": "16",+ "name": "DGND",+ "type": "power_in",+ "description": "Digital ground."+ },+ {+ "number": "17",+ "name": "DVDD",+ "type": "power_in",+ "description": "Digital power supply; DVDD to DGND absolute maximum is 7 V."+ },+ {+ "number": "18",+ "name": "CLKIN",+ "type": "input",+ "description": "Connect to DGND for the internal oscillator, or drive with an external clock input."+ },+ {+ "number": "19",+ "name": "NC",+ "type": "unconnected",+ "description": "No connection; electrically float or connect to DGND."+ },+ {+ "number": "20",+ "name": "NC",+ "type": "unconnected",+ "description": "No connection; electrically float or connect to DGND."+ },+ {+ "number": "21",+ "name": "NC",+ "type": "unconnected",+ "description": "No connection; electrically float or connect to DGND."+ },+ {+ "number": "22",+ "name": "NC",+ "type": "unconnected",+ "description": "No connection; electrically float or connect to DGND."+ },+ {+ "number": "23",+ "name": "AIN9",+ "type": "bidirectional",+ "description": "Analog input 9, also usable as IDAC1 and IDAC2 connection."+ },+ {+ "number": "24",+ "name": "AIN8",+ "type": "bidirectional",+ "description": "Analog input 8, also usable as IDAC1 and IDAC2 connection."+ },+ {+ "number": "25",+ "name": "AIN7",+ "type": "bidirectional",+ "description": "Analog input 7, also usable as IDAC1 and IDAC2 connection."+ },+ {+ "number": "26",+ "name": "AIN6",+ "type": "bidirectional",+ "description": "Analog input 6, also usable as IDAC1 and IDAC2 connection."+ },+ {+ "number": "27",+ "name": "AIN5",+ "type": "bidirectional",+ "description": "Analog input 5, also usable as IDAC1/IDAC2, GPIO3 and ACX2."+ },+ {+ "number": "28",+ "name": "AIN4",+ "type": "bidirectional",+ "description": "Analog input 4, also usable as IDAC1/IDAC2, GPIO2 and ACX1."+ },+ {+ "number": "29",+ "name": "AIN3",+ "type": "bidirectional",+ "description": "Analog input 3, also usable as IDAC1/IDAC2, REFN1, GPIO1 and ACX2."+ },+ {+ "number": "30",+ "name": "AIN2",+ "type": "bidirectional",+ "description": "Analog input 2, also usable as IDAC1/IDAC2, REFP1, GPIO0 and ACX1."+ },+ {+ "number": "31",+ "name": "AIN1",+ "type": "bidirectional",+ "description": "Analog input 1, also usable as IDAC1/IDAC2 and REFN0."+ },+ {+ "number": "32",+ "name": "AIN0",+ "type": "bidirectional",+ "description": "Analog input 0, also usable as IDAC1/IDAC2 and REFP0."+ },+ {+ "number": "33",+ "name": "Thermal Pad",+ "type": "passive",+ "description": "Exposed thermal pad; connect to AVSS, and the pad must be soldered for mechanical integrity."+ }+ ],+ "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 thermal pad is not numbered in the pin table (it is listed as 'Thermal Pad'). The number 33 is t; Pinout taken from the ADS1261 column of the pin table (page 5), which matches the RHB VQFN-32 packag; Pins 19-22 are NC on the ADS1261 and are listed as a group in the source; each is given individually",+ "1/33 pins cited to the wrong page (name found elsewhere): ['33:Thermal Pad@p5']"+ ],+ "pages_sent": 20,+ "cost_usd": 0.1203,+ "at": "2026-10-08T02:11:44"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/ads1261",+ "pages": 92,+ "sha256": "0369aa88e789386f",+ "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": "ads1261birhbt.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": "ads1261birhbt-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": "6a6b52e7ac4bcfd743955f01b64bbeb8044280348670eefc82f8162e6d9bce1f",+ "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]"+ }+}