AD7195BCPZ-RL7

{
  "slug": "ad7195bcpz-rl7",
  "version": "0.1.0",
  "type": "component",
  "description": "Analog Devices Analog To Digital Converters (ADC), QFN-32-EP(5x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "data acquisition",
    "ad7195bcpz-rl7",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
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    "ad7195bcpz-rl7.step",
    "ad7195bcpz-rl7.lbr",
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    "docs/ad7195bcpz-rl7-datasheet.pdf",
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  "component": {
    "mpn": "AD7195BCPZ-RL7",
    "manufacturer": "Analog Devices",
    "package": "QFN-32-EP(5x5)",
    "pin_count": 33,
    "category": "Data Acquisition",
    "subcategory": "Analog To Digital Converters (ADC)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588885974302527488",
    "parts": {
      "symbol": "ad7195bcpz-rl7.kicad_sym",
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      "model_3d_step_plain": "ad7195bcpz-rl7.step",
      "lbr": "ad7195bcpz-rl7.lbr"
    },
    "distributor_links": {
      "lcsc": "C578052",
      "digikey": "505-AD7195BCPZ-RL7TR-ND"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T16:15:56Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "505-AD7195BCPZ-RL7TR-ND",
        "status": "found"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "ACX2",
        "type": "output",
        "description": "Digital output for AC-excitation bridge switching; it is the inverse of ACX1 and is held low when the ACX bit is 0, with a non-overlap of 1/f(MCLK), which is 200 ns with a 4.92 MHz clock."
      },
      {
        "number": "2",
        "name": "ACX2",
        "type": "output",
        "description": "Complement of the ACX2 output for AC-excitation bridge switching; it is held high when the ACX bit is 0."
      },
      {
        "number": "3",
        "name": "ACX1",
        "type": "output",
        "description": "Digital output for AC-excitation bridge polarity control; high means normal excitation and low means reversed (chopped) excitation, and it is held high when the ACX bit is 0."
      },
      {
        "number": "4",
        "name": "ACX1",
        "type": "output",
        "description": "Complement of the ACX1 output for AC-excitation bridge switching; it is held low when the ACX bit is 0."
      },
      {
        "number": "5",
        "name": "AVDD",
        "type": "power_in",
        "description": "Analog supply voltage, 4.75 V to 5.25 V, independent of DVDD."
      },
      {
        "number": "6",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog reference ground point."
      },
      {
        "number": "7",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect; the datasheet states this pin should be connected to AGND."
      },
      {
        "number": "8",
        "name": "AINCOM",
        "type": "passive",
        "description": "Reference input to which AIN1 to AIN4 are referenced when the part is configured for pseudo-differential operation."
      },
      {
        "number": "9",
        "name": "AIN1",
        "type": "passive",
        "description": "Analog input that acts as the positive input of a fully differential pair with AIN2, or as a pseudo-differential input referenced to AINCOM."
      },
      {
        "number": "10",
        "name": "AIN2",
        "type": "passive",
        "description": "Analog input that acts as the negative input of a fully differential pair with AIN1, or as a pseudo-differential input referenced to AINCOM."
      },
      {
        "number": "11",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect; the datasheet states this pin should be connected to AGND."
      },
      {
        "number": "12",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect; the datasheet states this pin should be connected to AGND."
      },
      {
        "number": "13",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect; the datasheet states this pin should be connected to AGND."
      },
      {
        "number": "14",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect; the datasheet states this pin should be connected to AGND."
      },
      {
        "number": "15",
        "name": "AIN3",
        "type": "passive",
        "description": "Analog input that acts as the positive input of a fully differential pair with AIN4, or as a pseudo-differential input referenced to AINCOM."
      },
      {
        "number": "16",
        "name": "AIN4",
        "type": "passive",
        "description": "Analog input that acts as the negative input of a fully differential pair with AIN3, or as a pseudo-differential input referenced to AINCOM."
      },
      {
        "number": "17",
        "name": "REFIN(+)",
        "type": "passive",
        "description": "Positive reference input that may be placed between AVDD and AGND + 1 V, with a nominal reference (REFIN(+) minus REFIN(-)) of AVDD and operation from 1 V to AVDD."
      },
      {
        "number": "18",
        "name": "REFIN(-)",
        "type": "passive",
        "description": "Negative reference input that may be any value between AGND and AVDD - 1 V."
      },
      {
        "number": "19",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect; the datasheet states this pin should be connected to AGND."
      },
      {
        "number": "20",
        "name": "BPDSW",
        "type": "passive",
        "description": "Bridge power-down switch to AGND; it can sink 30 mA continuously with a maximum on-resistance of 10 Ω."
      },
      {
        "number": "21",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog reference ground point."
      },
      {
        "number": "22",
        "name": "DGND",
        "type": "power_in",
        "description": "Digital ground reference point."
      },
      {
        "number": "23",
        "name": "AVDD",
        "type": "power_in",
        "description": "Analog supply voltage, 4.75 V to 5.25 V, independent of DVDD."
      },
      {
        "number": "24",
        "name": "DVDD",
        "type": "power_in",
        "description": "Digital supply voltage, 2.7 V to 5.25 V, independent of AVDD."
      },
      {
        "number": "25",
        "name": "SYNC",
        "type": "input",
        "description": "Logic input for synchronizing the digital filter with the analog modulator; driving it low resets the filter and holds the modulator in reset, and it has an internal pull-up to DVDD."
      },
      {
        "number": "26",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect; the datasheet states this pin should be connected to AGND."
      },
      {
        "number": "27",
        "name": "DOUT/RDY",
        "type": "output",
        "description": "Serial data output and data-ready output; it goes low when a conversion is complete and returns high when the data is read or before a new update."
      },
      {
        "number": "28",
        "name": "DIN",
        "type": "input",
        "description": "Serial data input to the ADC input shift register, which loads the communications register."
      },
      {
        "number": "29",
        "name": "MCLK1",
        "type": "passive",
        "description": "Connects to MCLK2 for an external crystal; it is left unconnected when a CMOS clock drives MCLK2."
      },
      {
        "number": "30",
        "name": "MCLK2",
        "type": "bidirectional",
        "description": "Master clock pin that can output the 4.92 MHz internal clock, or accept a crystal (between MCLK1 and MCLK2) or a CMOS-compatible external clock."
      },
      {
        "number": "31",
        "name": "SCLK",
        "type": "input",
        "description": "Serial clock input with a Schmitt-trigger input that is suitable for opto-isolated applications."
      },
      {
        "number": "32",
        "name": "CS",
        "type": "input",
        "description": "Active-low chip select input for selecting the ADC; it can be hard-wired low for 3-wire operation."
      },
      {
        "number": "33",
        "name": "EP",
        "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 pad is not given a pin number in the datasheet. Figure 5 says to connect it to AGND, so ; Overbars were lost in text extraction. Pins 1 and 2 are both printed as ACX2, and pins 3 and 4 are b; The pin table says the NC pins should be connected to AGND, but the figure note defines NC as no con",
          "exposed pad 33 added from the footprint"
        ],
        "pages_sent": 34,
        "cost_usd": 0.216,
        "at": "2026-10-18T16:15:36"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588885974302527488",
        "pages": 44,
        "sha256": "e20cba998a761a41",
        "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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  }
}