CS5526-BSZ

{
  "slug": "cs5526-bsz",
  "version": "0.1.0",
  "type": "component",
  "description": "Cirrus Logic Analog To Digital Converters (ADCs), SSOP-20-208mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "data converters",
    "cs5526-bsz",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "cs5526-bsz.kicad_sym",
    "cs5526-bsz.kicad_mod",
    "cs5526-bsz.glb",
    "cs5526-bsz.step",
    "cs5526-bsz.lbr",
    "docs/hero.png",
    "docs/cs5526-bsz-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "cs5526-bsz-hero.glb",
    "cs5526-bsz-hero.overlay.json",
    "cs5526-bsz-etched.glb"
  ],
  "component": {
    "mpn": "CS5526-BSZ",
    "manufacturer": "Cirrus Logic",
    "package": "SSOP-20-208mil",
    "pin_count": 20,
    "category": "Data Converters",
    "subcategory": "Analog To Digital Converters (ADCs)",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/b40300788b56bfc7dcd629772f270177.pdf",
    "parts": {
      "symbol": "cs5526-bsz.kicad_sym",
      "footprint": "cs5526-bsz.kicad_mod",
      "model_3d": "cs5526-bsz-hero.glb",
      "model_3d_plain": "cs5526-bsz-etched.glb",
      "model_3d_step": "cs5526-bsz-etched.step",
      "model_3d_step_plain": "cs5526-bsz.step",
      "lbr": "cs5526-bsz.lbr"
    },
    "distributor_links": {
      "lcsc": "C1542557",
      "digikey": "598-1108-5-ND",
      "mouser": "777-CS5526-BSZ"
    },
    "distributor_check": {
      "checked_at": "2026-10-30T22:51:27Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "598-1108-5-ND",
        "status": "found",
        "lifecycle": "Obsolete"
      },
      "mouser": {
        "pn": "777-CS5526-BSZ",
        "status": "found",
        "lifecycle": "End of Life"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground; the device should be placed over an analog ground plane with AGND connected to that plane."
      },
      {
        "number": "2",
        "name": "VA+",
        "type": "power_in",
        "description": "Positive analog power supply, nominally +5 V."
      },
      {
        "number": "3",
        "name": "AIN+",
        "type": "input",
        "description": "Positive differential analog input to the 20X instrumentation amplifier."
      },
      {
        "number": "4",
        "name": "AIN-",
        "type": "input",
        "description": "Negative differential analog input; the unipolar and bipolar offset definitions are referenced to the voltage on this pin."
      },
      {
        "number": "5",
        "name": "NBV",
        "type": "power_in",
        "description": "Negative bias voltage supply for the 20X instrumentation amplifier, tied to AGND for inputs centered at +2.5 V or to a negative supply (about -2.1 V typical) to handle signals below ground."
      },
      {
        "number": "6",
        "name": "A0",
        "type": "output",
        "description": "Logic output that mirrors configuration register bit D20, reading AGND for logic 0 and VA+ for logic 1."
      },
      {
        "number": "7",
        "name": "A1",
        "type": "output",
        "description": "Logic output that mirrors configuration register bit D21, reading AGND for logic 0 and VA+ for logic 1."
      },
      {
        "number": "8",
        "name": "CPD",
        "type": "output",
        "description": "Square-wave output that supplies energy to the external charge pump."
      },
      {
        "number": "9",
        "name": "XIN",
        "type": "input",
        "description": "Crystal input for the master clock, or an external CMOS-compatible clock input; the pin is very high impedance with a crystal, so the trace should be kept short."
      },
      {
        "number": "10",
        "name": "XOUT",
        "type": "output",
        "description": "Crystal output of the on-chip clock gate, used with a crystal to form the master clock."
      },
      {
        "number": "11",
        "name": "SCLK",
        "type": "input",
        "description": "Serial clock input with Schmitt-trigger behavior that clocks SDI/SDO data and is recognized only when CS is low."
      },
      {
        "number": "12",
        "name": "DGND",
        "type": "power_in",
        "description": "Digital ground connection."
      },
      {
        "number": "13",
        "name": "VD+",
        "type": "power_in",
        "description": "Positive digital supply, nominally +3.0 V or +5 V."
      },
      {
        "number": "14",
        "name": "SDO",
        "type": "tri_state",
        "description": "Serial data output that goes to high impedance when CS = 1."
      },
      {
        "number": "15",
        "name": "A2",
        "type": "output",
        "description": "Logic output that mirrors configuration register bit D22, reading AGND for logic 0 and VA+ for logic 1."
      },
      {
        "number": "16",
        "name": "A3",
        "type": "output",
        "description": "Logic output that mirrors configuration register bit D23, reading AGND for logic 0 and VA+ for logic 1."
      },
      {
        "number": "17",
        "name": "SDI",
        "type": "input",
        "description": "Serial data input whose data is clocked in at the rate set by SCLK."
      },
      {
        "number": "18",
        "name": "CS",
        "type": "input",
        "description": "Active-low chip select that enables the serial port; SCLK is recognized only while CS is low, and CS should change only when SCLK = 0."
      },
      {
        "number": "19",
        "name": "VREF-",
        "type": "power_in",
        "description": "Negative side of the fully differential voltage reference input for the on-chip modulator."
      },
      {
        "number": "20",
        "name": "VREF+",
        "type": "power_in",
        "description": "Positive side of the fully differential voltage reference input for the on-chip modulator."
      }
    ],
    "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 page 24 pin diagram is scrambled in the text extraction. Pin numbers were reconstructed from the; The datasheet gives the 20-pin SSOP drawing in millimetres and inches but does not print '208 mil' e; The datasheet gives no explicit pin types. Types were assigned from function: GND/supply pins as pow",
          "1/20 pins cited to the wrong page (name found elsewhere): ['10:XOUT@p24']",
          "1/20 pin names appear NOWHERE in the datasheet text: ['9:XIN@p24']"
        ],
        "pages_sent": 9,
        "cost_usd": 0.0546,
        "at": "2026-10-30T22:51:08"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/b40300788b56bfc7dcd629772f270177.pdf",
        "pages": 30,
        "sha256": "9a25cf391b45f080",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 20,
        "described": 20,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "cs5526-bsz.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          7.8,
          7.2,
          2.1
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "c9a01a276d0b4d9561efd58f2fcee56f52c1b6ab464ea7a0380cab4e87a924e6",
        "checked": "2026-10-30",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "cs5526-bsz-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          7.8,
          7.2,
          2.1
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "fb2e34d154104772d98e0314cae6bcb550c17939fe87eddd3ffa2ed1041613bd",
        "checked": "2026-10-30",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ],
    "package_dims": {
      "package_code": "20-pin SSOP",
      "source_page": 28,
      "D": {
        "nom_mm": 7.2,
        "range_mm": [
          6.9,
          7.5
        ]
      },
      "E1": {
        "nom_mm": 5.3,
        "range_mm": [
          5.0,
          5.6
        ]
      },
      "E": {
        "nom_mm": 7.8,
        "range_mm": [
          7.4,
          8.2
        ]
      },
      "e": {
        "nom_mm": 0.65,
        "range_mm": [
          0.61,
          0.69
        ]
      },
      "A": {
        "nom_mm": 2.13,
        "range_mm": [
          null,
          2.13
        ]
      },
      "source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
      "model_check": {
        "file": "cs5526-bsz.step",
        "verdict": "PASS",
        "reasons": [
          "height and body within the datasheet's package drawing"
        ],
        "by": "factory/package_fit.py"
      }
    }
  }
}