AD654JRZ-REEL7

{
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  "slug": "ad654jrz-reel7",
  "title": "AD654JRZ-REEL7",
  "brief": "Analog Devices V/F And F/V Converters, SOIC-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
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  "component": {
    "mpn": "AD654JRZ-REEL7",
    "manufacturer": "Analog Devices",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Data Acquisition",
    "subcategory": "V/F And F/V Converters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586186278605479936",
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    "pins": [
      {
        "number": "1",
        "name": "FOUT",
        "type": "output",
        "description": "Open-collector square-wave frequency output. Sinks >10 mA at <0.4 V saturation; requires an external pull-up resistor (RPU) to VLOGIC. Output current is internally limited to ~25 mA sustained."
      },
      {
        "number": "2",
        "name": "LOGIC COMMON",
        "type": "power_in",
        "description": "Emitter reference for the open-collector output transistor. Can be tied to any level between -VS (or ground) and (+VS - 4 V), allowing direct interface to positive or negative logic families. Logic Common to -VS range: -500 mV to (+VS - 4 V)."
      },
      {
        "number": "3",
        "name": "RT",
        "type": "passive",
        "description": "Timing/scaling resistor node. External RT sets the 1 mA full-scale drive current from the input amplifier via VIN/(R1+R2). Maximum input voltage on this pin: -300 mV to +VS."
      },
      {
        "number": "4",
        "name": "+VIN",
        "type": "input",
        "description": "Noninverting analog input to the internal op-amp/V-to-I converter. Input range: 0 to (+VS - 4 V) single-supply, or -VS to (+VS - 4 V) dual-supply. Input resistance 250 MΩ typ, input bias current 30 nA typ."
      },
      {
        "number": "5",
        "name": "-VS",
        "type": "power_in",
        "description": "Negative supply pin. Tie to ground for single-supply operation (5 V to 36 V total), or to a negative rail for dual-supply operation (±5 V to ±18 V)."
      },
      {
        "number": "6",
        "name": "CT",
        "type": "passive",
        "description": "Timing capacitor terminal (one side of external CT). Together with pin 7 sets the full-scale oscillator frequency per f = V/(10·RC). Use low-DA capacitors (polystyrene, polypropylene, or Teflon) for best linearity."
      },
      {
        "number": "7",
        "name": "CT",
        "type": "passive",
        "description": "Timing capacitor terminal (other side of external CT). Together with pin 6 sets the full-scale oscillator frequency per f = V/(10·RC)."
      },
      {
        "number": "8",
        "name": "+VS",
        "type": "power_in",
        "description": "Positive supply pin. Single-supply range 4.5 V to 36 V; dual-supply range +5 V to +18 V. Total supply +VS to -VS must not exceed 36 V. Quiescent current 2.0 mA typ."
      }
    ],
    "provenance": {
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        "pages": 12,
        "sha256": "10e9b378fefec99b",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
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        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "Analog Devices",
      "Package": "SOIC-8",
      "Category": "Data Acquisition",
      "Pins": "8"
    }
  },
  "variants": [
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      "mpn": "AD654JRZ-REEL7",
      "kind": "packaging"
    },
    {
      "mpn": "AD654JRZ-REEL7JN",
      "kind": "packaging"
    },
    {
      "mpn": "AD654JRZ-REEL7JNZ",
      "kind": "packaging"
    }
  ],
  "sections": [
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  "discovery_pitch": "AD654JRZ-REEL7 (Analog Devices) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
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  "updated_at": "2026-09-24T15:36:29.291Z"
}