AD7266BSUZ-REEL

{
  "slug": "ad7266bsuz-reel",
  "version": "0.1.0",
  "type": "component",
  "description": "Analog Devices Analog To Digital Converters (ADC), TQFP-32(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
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    "data acquisition",
    "ad7266bsuz-reel",
    "factory-2.0.0",
    "extractor-text"
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  "component": {
    "mpn": "AD7266BSUZ-REEL",
    "manufacturer": "Analog Devices",
    "package": "TQFP-32(7x7)",
    "pin_count": 32,
    "category": "Data Acquisition",
    "subcategory": "Analog To Digital Converters (ADC)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589800876656529408",
    "parts": {
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      "lbr": "ad7266bsuz-reel.lbr"
    },
    "distributor_links": {
      "lcsc": "C650745",
      "digikey": "AD7266BSUZ-REELTR-ND",
      "mouser": "584-AD7266BSUZ-R"
    },
    "distributor_check": {
      "checked_at": "2026-10-21T01:51:18Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "AD7266BSUZ-REELTR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "584-AD7266BSUZ-R",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "DGND",
        "type": "power_in",
        "description": "Digital ground reference for all digital circuitry; both DGND pins connect to the system DGND plane and must not be more than 0.3 V from AGND, even on a transient basis."
      },
      {
        "number": "2",
        "name": "REF SELECT",
        "type": "input",
        "description": "Logic input for reference selection: tied to DGND uses the on-chip 2.5 V reference for both ADCs, while a logic high allows an external reference through DCAPA and/or DCAPB."
      },
      {
        "number": "3",
        "name": "AVDD",
        "type": "power_in",
        "description": "Analog supply voltage of 2.7 V to 5.25 V, the only supply for all analog circuitry, which must stay within 0.3 V of DVDD and be decoupled to AGND."
      },
      {
        "number": "4",
        "name": "DCAPA",
        "type": "passive",
        "description": "Decoupling capacitor pin for the ADC A reference buffer, where 470 nF is recommended and a buffered on-chip reference can be taken or an external reference applied, depending on the selected input range."
      },
      {
        "number": "5",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground reference for all analog circuitry; all three AGND pins connect to the system AGND plane and must not be more than 0.3 V from DGND."
      },
      {
        "number": "6",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground reference for all analog circuitry; all three AGND pins connect to the system AGND plane and must not be more than 0.3 V from DGND."
      },
      {
        "number": "7",
        "name": "VA1",
        "type": "passive",
        "description": "Analog input of ADC A, programmable as one of six single-ended channels or as one of three true differential pairs."
      },
      {
        "number": "8",
        "name": "VA2",
        "type": "passive",
        "description": "Analog input of ADC A, programmable as one of six single-ended channels or as one of three true differential pairs."
      },
      {
        "number": "9",
        "name": "VA3",
        "type": "passive",
        "description": "Analog input of ADC A, programmable as one of six single-ended channels or as one of three true differential pairs."
      },
      {
        "number": "10",
        "name": "VA4",
        "type": "passive",
        "description": "Analog input of ADC A, programmable as one of six single-ended channels or as one of three true differential pairs."
      },
      {
        "number": "11",
        "name": "VA5",
        "type": "passive",
        "description": "Analog input of ADC A, programmable as one of six single-ended channels or as one of three true differential pairs."
      },
      {
        "number": "12",
        "name": "VA6",
        "type": "passive",
        "description": "Analog input of ADC A, programmable as one of six single-ended channels or as one of three true differential pairs."
      },
      {
        "number": "13",
        "name": "VB6",
        "type": "passive",
        "description": "Analog input of ADC B, programmable as one of six single-ended channels or as one of three true differential pairs."
      },
      {
        "number": "14",
        "name": "VB5",
        "type": "passive",
        "description": "Analog input of ADC B, programmable as one of six single-ended channels or as one of three true differential pairs."
      },
      {
        "number": "15",
        "name": "VB4",
        "type": "passive",
        "description": "Analog input of ADC B, programmable as one of six single-ended channels or as one of three true differential pairs."
      },
      {
        "number": "16",
        "name": "VB3",
        "type": "passive",
        "description": "Analog input of ADC B, programmable as one of six single-ended channels or as one of three true differential pairs."
      },
      {
        "number": "17",
        "name": "VB2",
        "type": "passive",
        "description": "Analog input of ADC B, programmable as one of six single-ended channels or as one of three true differential pairs."
      },
      {
        "number": "18",
        "name": "VB1",
        "type": "passive",
        "description": "Analog input of ADC B, programmable as one of six single-ended channels or as one of three true differential pairs."
      },
      {
        "number": "19",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground reference for all analog circuitry; all three AGND pins connect to the system AGND plane and must not be more than 0.3 V from DGND."
      },
      {
        "number": "20",
        "name": "DCAPB",
        "type": "passive",
        "description": "Decoupling capacitor pin for the ADC B reference buffer, where 470 nF is recommended and a buffered on-chip reference can be taken or an external reference applied, depending on the selected input range."
      },
      {
        "number": "21",
        "name": "RANGE",
        "type": "input",
        "description": "Logic input setting the analog input range: tied low selects 0 V to VREF, and a logic high when CS goes low selects 2 × VREF."
      },
      {
        "number": "22",
        "name": "SGL/DIFF",
        "type": "input",
        "description": "Logic input selecting differential pairs when low and single-ended operation when high."
      },
      {
        "number": "23",
        "name": "A2",
        "type": "input",
        "description": "Multiplexer select logic input choosing the channel pair converted simultaneously, which must be set before the acquisition time and the falling edge of CS."
      },
      {
        "number": "24",
        "name": "A1",
        "type": "input",
        "description": "Multiplexer select logic input choosing the channel pair converted simultaneously, which must be set before the acquisition time and the falling edge of CS."
      },
      {
        "number": "25",
        "name": "A0",
        "type": "input",
        "description": "Multiplexer select logic input choosing the channel pair converted simultaneously, which must be set before the acquisition time and the falling edge of CS."
      },
      {
        "number": "26",
        "name": "CS",
        "type": "input",
        "description": "Active-low chip select that initiates conversions on its falling edge and frames the serial data transfer."
      },
      {
        "number": "27",
        "name": "SCLK",
        "type": "input",
        "description": "Serial clock logic input that clocks data out of the AD7266 and also serves as the conversion clock source."
      },
      {
        "number": "28",
        "name": "DOUTB",
        "type": "output",
        "description": "Serial data output for ADC B, clocked out on the SCLK falling edge with 14 SCLKs needed to read the MSB-first data (two leading zeros then 12 data bits)."
      },
      {
        "number": "29",
        "name": "DGND",
        "type": "power_in",
        "description": "Digital ground reference for all digital circuitry; both DGND pins connect to the system DGND plane and must not be more than 0.3 V from AGND, even on a transient basis."
      },
      {
        "number": "30",
        "name": "DOUTA",
        "type": "output",
        "description": "Serial data output for ADC A, clocked out on the SCLK falling edge with 14 SCLKs needed to read the MSB-first data (two leading zeros then 12 data bits)."
      },
      {
        "number": "31",
        "name": "VDRIVE",
        "type": "power_in",
        "description": "Logic power supply input that sets the interface voltage, must be decoupled to DGND, and should never exceed AVDD or DVDD by more than 0.3 V."
      },
      {
        "number": "32",
        "name": "DVDD",
        "type": "power_in",
        "description": "Digital supply voltage of 2.7 V to 5.25 V, the supply for all digital circuitry, which must stay within 0.3 V of AVDD and be decoupled to DGND."
      }
    ],
    "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 TQFP pin figure (Figure 3) text layer is scrambled, so the TQFP pin-number-to-name mapping was t; The datasheet does not give electrical types for the analog inputs, DCAP pins, or DOUTA/DOUTB (tri-s; Pin 1 and 29 are both DGND, and pins 5, 6 and 19 are all AGND; these are listed individually as prin"
        ],
        "pages_sent": 10,
        "cost_usd": 0.0808,
        "at": "2026-10-21T01:47:40"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589800876656529408",
        "pages": 28,
        "sha256": "ef619f55aa5e6d94",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 32,
        "described": 32,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
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}