component
ADS9234RIRHBR
Public Made by Adomby adom
Texas Instruments Analog To Digital Converters (ADCs), VQFN-32-EP(5x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
← Commit history
README.mdadded+70@@ -0,0 +1,70 @@+# ADS9234RIRHBR++**Texas Instruments** · Analog To Digital Converters (ADCs) · VQFN-32-EP(5x5)++ADS9234RIRHBR 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 | AINP_A | input | Positive analog input for channel A; absolute limits are -0.3 V to AVDD + 0.3 V to GND. |+| 2 | AINM_A | input | Negative analog input for channel A; absolute limits are -0.3 V to AVDD + 0.3 V to GND. |+| 3 | REFby2 | output | REFby2 buffer output, used to set the common-mode voltage; connect a 1-µF decoupling capacitor between pin 3 and pin 4. |+| 4 | GND | power_in | Ground. |+| 5 | REFOUT | output | Internal reference output; connect a 1-µF decoupling capacitor between pin 5 and pin 4. |+| 6 | NC | unconnected | No external connection. |+| 7 | AINM_B | input | Negative analog input for channel B; absolute limits are -0.3 V to AVDD + 0.3 V to GND. |+| 8 | AINP_B | input | Positive analog input for channel B; absolute limits are -0.3 V to AVDD + 0.3 V to GND. |+| 9 | REFM_B | output | Negative output of reference buffer B and negative reference input for ADC_B; externally connect to the device GND. |+| 10 | REFP_B | output | Positive output of reference buffer B and positive reference input for ADC_B; the text calls for a 10-µF decoupling capacitor here but cites pins 9 and 10 for it. |+| 11 | GND | power_in | Ground. |+| 12 | AVDD | power_in | Analog power supply (4.5 V to 5.5 V, 5 V nominal); connect a 1-µF decoupling capacitor between pin 12 and pin 11. |+| 13 | CONVST | input | Conversion start input; a CONVST rising edge starts the conversion for ADC_A and ADC_B. |+| 14 | CS | input | Active-low chip-select input; host and device communicate when CS is low, and the SDO-x pins go to Hi-Z when CS is high. |+| 15 | SDI | input | Serial data input used to program the device registers. |+| 16 | SCLK | input | Clock input for the serial interface. |+| 17 | SDO-7/3B | tri_state | SPI mode: data output 3 for channel B; parallel byte mode: MSB of the data byte; Hi-Z when CS is high. |+| 18 | SDO-6/2B | tri_state | SPI mode: data output 2 for channel B; parallel byte mode: LSB+6 of the data byte; Hi-Z when CS is high. |+| 19 | SDO-5/1B | tri_state | SPI mode: data output 1 for channel B; parallel byte mode: LSB+5 of the data byte; Hi-Z when CS is high. |+| 20 | SDO-4/0B | tri_state | SPI mode: data output 0 for channel B; parallel byte mode: LSB+4 of the data byte; Hi-Z when CS is high. |+| 21 | SDO-3/3A | tri_state | SPI mode: data output 3 for channel A; parallel byte mode: LSB+3 of the data byte; Hi-Z when CS is high. |+| 22 | SDO-2/2A | tri_state | SPI mode: data output 2 for channel A; parallel byte mode: LSB+2 of the data byte; Hi-Z when CS is high. |+| 23 | SDO-1/1A | tri_state | SPI mode: data output 1 for channel A; parallel byte mode: LSB+1 of the data byte; Hi-Z when CS is high. |+| 24 | SDO-0/0A | tri_state | SPI mode: data output 0 for channel A; parallel byte mode: LSB of the data byte; Hi-Z when CS is high. |+| 25 | READY/STROBE | output | Indicates data ready or provides a strobe output for data capture. |+| 26 | PD/RST | input | Asynchronous reset or power-down input; see the Reset or Power-Down section of the datasheet. |+| 27 | GND | power_in | Ground. |+| 28 | DVDD | power_in | Interface power supply; 1.65 V to 5.5 V, or 2.35 V minimum when SCLK exceeds 20 MHz. Connect a 1-µF decoupling capacitor between pin 27 and pin 28. |+| 29 | AVDD | power_in | Analog power supply (4.5 V to 5.5 V, 5 V nominal); connect a 1-µF decoupling capacitor between pin 29 and pin 30. |+| 30 | GND | power_in | Ground. |+| 31 | REFP_A | output | Positive output of reference buffer A and positive reference input for ADC_A; connect a 10-µF decoupling capacitor between pin 31 and pin 32. |+| 32 | REFM_A | output | Negative output of reference buffer A and negative reference input for ADC_A; externally connect to the device GND. |+| 33 | Thermal pad | 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 | ADC/DAC/Data Conversion |+| Pins | 33 |++## CAD (KiCad official)++- Symbol: `ADS9234RIRHBR`+- 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: `ads9234rirhbr-etched.step` / `ads9234rirhbr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `ads9234rirhbr.step` / `ads9234rirhbr.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/ads9224r) (66 pp, sha256 `e8405ba4f4929a21`, 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/ads9234rirhbr-datasheet.pdf)
page.jsonadded+351@@ -0,0 +1,351 @@+{+ "slug": "ads9234rirhbr",+ "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",+ "ads9234rirhbr",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "ads9234rirhbr.kicad_sym",+ "ads9234rirhbr.kicad_mod",+ "ads9234rirhbr.glb",+ "ads9234rirhbr.step",+ "ads9234rirhbr.lbr",+ "docs/hero.png",+ "docs/ads9234rirhbr-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html",+ "ads9234rirhbr-hero.glb",+ "ads9234rirhbr-hero.overlay.json"+ ],+ "component": {+ "mpn": "ADS9234RIRHBR",+ "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/ads9224r",+ "parts": {+ "symbol": "ads9234rirhbr.kicad_sym",+ "footprint": "ads9234rirhbr.kicad_mod",+ "model_3d": "ads9234rirhbr-hero.glb",+ "model_3d_plain": "ads9234rirhbr.glb",+ "model_3d_step": "ads9234rirhbr-etched.step",+ "model_3d_step_plain": "ads9234rirhbr.step",+ "lbr": "ads9234rirhbr.lbr"+ },+ "distributor_links": {+ "lcsc": "C1543427",+ "digikey": "296-ADS9234RIRHBRTR-ND",+ "mouser": "595-ADS9234RIRHBR"+ },+ "distributor_check": {+ "checked_at": "2026-10-08T14:38:08Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "296-ADS9234RIRHBRTR-ND",+ "status": "found",+ "lifecycle": "Active"+ },+ "mouser": {+ "pn": "595-ADS9234RIRHBR",+ "status": "found"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "AINP_A",+ "type": "input",+ "description": "Positive analog input for channel A; absolute limits are -0.3 V to AVDD + 0.3 V to GND."+ },+ {+ "number": "2",+ "name": "AINM_A",+ "type": "input",+ "description": "Negative analog input for channel A; absolute limits are -0.3 V to AVDD + 0.3 V to GND."+ },+ {+ "number": "3",+ "name": "REFby2",+ "type": "output",+ "description": "REFby2 buffer output, used to set the common-mode voltage; connect a 1-µF decoupling capacitor between pin 3 and pin 4."+ },+ {+ "number": "4",+ "name": "GND",+ "type": "power_in",+ "description": "Ground."+ },+ {+ "number": "5",+ "name": "REFOUT",+ "type": "output",+ "description": "Internal reference output; connect a 1-µF decoupling capacitor between pin 5 and pin 4."+ },+ {+ "number": "6",+ "name": "NC",+ "type": "unconnected",+ "description": "No external connection."+ },+ {+ "number": "7",+ "name": "AINM_B",+ "type": "input",+ "description": "Negative analog input for channel B; absolute limits are -0.3 V to AVDD + 0.3 V to GND."+ },+ {+ "number": "8",+ "name": "AINP_B",+ "type": "input",+ "description": "Positive analog input for channel B; absolute limits are -0.3 V to AVDD + 0.3 V to GND."+ },+ {+ "number": "9",+ "name": "REFM_B",+ "type": "output",+ "description": "Negative output of reference buffer B and negative reference input for ADC_B; externally connect to the device GND."+ },+ {+ "number": "10",+ "name": "REFP_B",+ "type": "output",+ "description": "Positive output of reference buffer B and positive reference input for ADC_B; the text calls for a 10-µF decoupling capacitor here but cites pins 9 and 10 for it."+ },+ {+ "number": "11",+ "name": "GND",+ "type": "power_in",+ "description": "Ground."+ },+ {+ "number": "12",+ "name": "AVDD",+ "type": "power_in",+ "description": "Analog power supply (4.5 V to 5.5 V, 5 V nominal); connect a 1-µF decoupling capacitor between pin 12 and pin 11."+ },+ {+ "number": "13",+ "name": "CONVST",+ "type": "input",+ "description": "Conversion start input; a CONVST rising edge starts the conversion for ADC_A and ADC_B."+ },+ {+ "number": "14",+ "name": "CS",+ "type": "input",+ "description": "Active-low chip-select input; host and device communicate when CS is low, and the SDO-x pins go to Hi-Z when CS is high."+ },+ {+ "number": "15",+ "name": "SDI",+ "type": "input",+ "description": "Serial data input used to program the device registers."+ },+ {+ "number": "16",+ "name": "SCLK",+ "type": "input",+ "description": "Clock input for the serial interface."+ },+ {+ "number": "17",+ "name": "SDO-7/3B",+ "type": "tri_state",+ "description": "SPI mode: data output 3 for channel B; parallel byte mode: MSB of the data byte; Hi-Z when CS is high."+ },+ {+ "number": "18",+ "name": "SDO-6/2B",+ "type": "tri_state",+ "description": "SPI mode: data output 2 for channel B; parallel byte mode: LSB+6 of the data byte; Hi-Z when CS is high."+ },+ {+ "number": "19",+ "name": "SDO-5/1B",+ "type": "tri_state",+ "description": "SPI mode: data output 1 for channel B; parallel byte mode: LSB+5 of the data byte; Hi-Z when CS is high."+ },+ {+ "number": "20",+ "name": "SDO-4/0B",+ "type": "tri_state",+ "description": "SPI mode: data output 0 for channel B; parallel byte mode: LSB+4 of the data byte; Hi-Z when CS is high."+ },+ {+ "number": "21",+ "name": "SDO-3/3A",+ "type": "tri_state",+ "description": "SPI mode: data output 3 for channel A; parallel byte mode: LSB+3 of the data byte; Hi-Z when CS is high."+ },+ {+ "number": "22",+ "name": "SDO-2/2A",+ "type": "tri_state",+ "description": "SPI mode: data output 2 for channel A; parallel byte mode: LSB+2 of the data byte; Hi-Z when CS is high."+ },+ {+ "number": "23",+ "name": "SDO-1/1A",+ "type": "tri_state",+ "description": "SPI mode: data output 1 for channel A; parallel byte mode: LSB+1 of the data byte; Hi-Z when CS is high."+ },+ {+ "number": "24",+ "name": "SDO-0/0A",+ "type": "tri_state",+ "description": "SPI mode: data output 0 for channel A; parallel byte mode: LSB of the data byte; Hi-Z when CS is high."+ },+ {+ "number": "25",+ "name": "READY/STROBE",+ "type": "output",+ "description": "Indicates data ready or provides a strobe output for data capture."+ },+ {+ "number": "26",+ "name": "PD/RST",+ "type": "input",+ "description": "Asynchronous reset or power-down input; see the Reset or Power-Down section of the datasheet."+ },+ {+ "number": "27",+ "name": "GND",+ "type": "power_in",+ "description": "Ground."+ },+ {+ "number": "28",+ "name": "DVDD",+ "type": "power_in",+ "description": "Interface power supply; 1.65 V to 5.5 V, or 2.35 V minimum when SCLK exceeds 20 MHz. Connect a 1-µF decoupling capacitor between pin 27 and pin 28."+ },+ {+ "number": "29",+ "name": "AVDD",+ "type": "power_in",+ "description": "Analog power supply (4.5 V to 5.5 V, 5 V nominal); connect a 1-µF decoupling capacitor between pin 29 and pin 30."+ },+ {+ "number": "30",+ "name": "GND",+ "type": "power_in",+ "description": "Ground."+ },+ {+ "number": "31",+ "name": "REFP_A",+ "type": "output",+ "description": "Positive output of reference buffer A and positive reference input for ADC_A; connect a 10-µF decoupling capacitor between pin 31 and pin 32."+ },+ {+ "number": "32",+ "name": "REFM_A",+ "type": "output",+ "description": "Negative output of reference buffer A and negative reference input for ADC_A; externally connect to the device GND."+ },+ {+ "number": "33",+ "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 exposed thermal pad is not given a pin number in the datasheet, so it is omitted from the pins l; Datasheet inconsistency: the REFP_B decoupling capacitor is described as between pin 9 and pin 10, b; Type judgment: the datasheet classifies SDO-x as 'Digital output', but it also states they go Hi-Z w",+ "exposed pad 33 added from the footprint"+ ],+ "pages_sent": 8,+ "cost_usd": 0.061,+ "at": "2026-10-08T14:37:53"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/ads9224r",+ "pages": 66,+ "sha256": "e8405ba4f4929a21",+ "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": "ads9234rirhbr.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": "ads9234rirhbr-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": "b63407be7103da6f4f526b5e3d21296be5903ab4dbbcadeb77bd92d91daa8cdd",+ "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]"+ }+}