ADA4945-1ACPZ-R7

{
  "schema_version": 1,
  "type": "component",
  "slug": "ada4945-1acpz-r7",
  "title": "ADA4945-1ACPZ-R7",
  "brief": "Analog Devices Differential Amplifiers, LFCSP-16(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "amplifiers-comparators",
    "ada4945-1acpz-r7",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "ADA4945-1ACPZ-R7",
    "manufacturer": "Analog Devices",
    "package": "LFCSP-16(3x3)",
    "pin_count": 17,
    "category": "Amplifiers/Comparators",
    "subcategory": "Differential Amplifiers",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590169455906230273",
    "parts": {
      "symbol": "ada4945-1acpz-r7.kicad_sym",
      "footprint": "ada4945-1acpz-r7.kicad_mod",
      "model_3d": "ada4945-1acpz-r7-etched.glb",
      "model_3d_plain": "ada4945-1acpz-r7.glb",
      "model_3d_step": "ada4945-1acpz-r7-etched.step",
      "model_3d_step_plain": "ada4945-1acpz-r7.step",
      "lbr": "ada4945-1acpz-r7.lbr"
    },
    "distributor_links": {
      "lcsc": "C560261"
    },
    "pins": [
      {
        "number": "1",
        "name": "−FB",
        "type": "output",
        "description": "Negative Output for Feedback Component Connection."
      },
      {
        "number": "2",
        "name": "+IN",
        "type": "input",
        "description": "Positive Input Summing Node."
      },
      {
        "number": "3",
        "name": "−IN",
        "type": "input",
        "description": "Negative Input Summing Node."
      },
      {
        "number": "4",
        "name": "+FB",
        "type": "output",
        "description": "Positive Output for Feedback Component Connection."
      },
      {
        "number": "5",
        "name": "MODE",
        "type": "input",
        "description": "Selects between full power mode (4 mA, 145 MHz) when connected to +VS and low power mode (1.4 mA, 80 MHz) when connected to −VS."
      },
      {
        "number": "6",
        "name": "+VS",
        "type": "power_in",
        "description": "Positive Supply Voltage with operating range 3 V to 10 V."
      },
      {
        "number": "7",
        "name": "+VS",
        "type": "power_in",
        "description": "Positive Supply Voltage with operating range 3 V to 10 V."
      },
      {
        "number": "8",
        "name": "+VCLAMP",
        "type": "input",
        "description": "Positive Clamp Level for differential output protection; typically connected to positive ADC reference voltage."
      },
      {
        "number": "9",
        "name": "VOCM",
        "type": "input",
        "description": "Output Common-Mode Voltage control pin with 125 kΩ input impedance and voltage range −VS + 0.4 V to +VS − 1.4 V."
      },
      {
        "number": "10",
        "name": "+OUT",
        "type": "output",
        "description": "Positive Output for Load Connection with voltage swing of −VS + 0.1 V to +VS − 0.1 V at 1 kΩ load."
      },
      {
        "number": "11",
        "name": "−OUT",
        "type": "output",
        "description": "Negative Output for Load Connection with voltage swing of −VS + 0.1 V to +VS − 0.1 V at 1 kΩ load."
      },
      {
        "number": "12",
        "name": "DISABLE",
        "type": "input",
        "description": "Disable Pin for power control; active-low with thresholds at −VS − 0.3 V to DGND + 1 V (disabled) and DGND + 1.4 V to +VS + 0.3 V (enabled)."
      },
      {
        "number": "13",
        "name": "−VCLAMP",
        "type": "input",
        "description": "Negative Clamp Level for differential output protection; typically connected to negative ADC reference voltage."
      },
      {
        "number": "14",
        "name": "−VS",
        "type": "power_in",
        "description": "Negative Supply Voltage with operating range 3 V to 10 V."
      },
      {
        "number": "15",
        "name": "−VS",
        "type": "power_in",
        "description": "Negative Supply Voltage with operating range 3 V to 10 V."
      },
      {
        "number": "16",
        "name": "DGND",
        "type": "power_in",
        "description": "Digital Ground Level with voltage range −VS to +VS − 2.5 V."
      },
      {
        "number": "17",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.2",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.2",
        "primary_model": "claude-haiku-4-5-20251001",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-4-6",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "exposed pad 17 added from the footprint",
          "dropped thermal pad ['EP'] absent from footprint"
        ],
        "pages_sent": 44,
        "cost_usd": 0.56,
        "at": "2026-09-18T01:54:34"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590169455906230273",
        "pages": 44,
        "sha256": "f6dd120e84f9a820",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 17,
        "described": 17,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "ada4945-1acpz-r7.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3.0,
          3.0,
          0.785
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "3eb81ffac423a66cdcfead8efe56401da171edaf1f2257049aad7b2d3900f6c8",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ada4945-1acpz-r7-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3.0,
          3.0,
          0.785
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "9ad429b809f2d8b5cf32197f430d8e6a097c0aa4dcf3ba97b17426e1e58a16bd",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Analog Devices",
      "Package": "LFCSP-16(3x3)",
      "Category": "Amplifiers/Comparators",
      "Pins": "17"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "ada4945-1acpz-r7"
  ],
  "discovery_pitch": "ADA4945-1ACPZ-R7 (Analog Devices) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ada4945-1acpz-r7.kicad_sym",
    "ada4945-1acpz-r7.kicad_mod",
    "ada4945-1acpz-r7.glb",
    "ada4945-1acpz-r7.step",
    "ada4945-1acpz-r7.lbr",
    "docs/hero.png",
    "docs/ada4945-1acpz-r7-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "updated_at": "2026-09-24T15:49:04.225Z"
}