ADS9234RIRHBR

{
  "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": [
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    "adc-dac-data conversion",
    "ads9234rirhbr",
    "factory-2.0.0",
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  "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": {
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      "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",
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        "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
      }
    },
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        "checked": "2026-10-08",
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}