CJ358

{
  "schema_version": 1,
  "type": "component",
  "slug": "cj358",
  "title": "CJ358",
  "brief": "Changjing Operational Amplifier, SOP-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "op-amp-cmp",
    "cj358"
  ],
  "component": {
    "mpn": "CJ358",
    "manufacturer": "Changjing",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "Op-amp/Cmp",
    "subcategory": "Operational Amplifier",
    "datasheet": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2204111630_Jiangsu-Changjing-Electronics-Technology-Co---Ltd--CJ358_C2829461.pdf",
    "parts": {
      "symbol": "cj358.kicad_sym",
      "footprint": "cj358.kicad_mod",
      "model_3d": "cj358-etched.glb",
      "model_3d_plain": "cj358.glb",
      "model_3d_step": "cj358-etched.step",
      "model_3d_step_plain": "cj358.step",
      "lbr": "cj358.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "OUTPUT 1",
        "type": "output",
        "description": "Output of op-amp channel 1. Output swings from 0V to VCC-1.5V; source current 20-40mA, sink current 10-20mA at VCC=15V, VO=2V."
      },
      {
        "number": "2",
        "name": "INPUT 1-",
        "type": "input",
        "description": "Inverting input of op-amp channel 1. Input bias current ~20nA (typ), input offset current ~5nA. Input voltage range includes ground; do not drive more than 0.3V below GND."
      },
      {
        "number": "3",
        "name": "INPUT 1+",
        "type": "input",
        "description": "Non-inverting input of op-amp channel 1. Input common-mode range 0V to VCC-1.5V; can tolerate up to +32V independent of VCC."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground / negative supply. For single-supply operation tie to 0V; for dual supplies connect to V-."
      },
      {
        "number": "5",
        "name": "INPUT 2+",
        "type": "input",
        "description": "Non-inverting input of op-amp channel 2. Input common-mode range 0V to VCC-1.5V; can tolerate up to +32V independent of VCC."
      },
      {
        "number": "6",
        "name": "INPUT 2-",
        "type": "input",
        "description": "Inverting input of op-amp channel 2. Input bias current ~20nA (typ), input offset current ~5nA. Input voltage range includes ground; do not drive more than 0.3V below GND."
      },
      {
        "number": "7",
        "name": "OUTPUT 2",
        "type": "output",
        "description": "Output of op-amp channel 2. Output swings from 0V to VCC-1.5V; source current 20-40mA, sink current 10-20mA at VCC=15V, VO=2V."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply voltage. Single-supply range 3V to 32V (30V recommended max); dual-supply range ±1.5V to ±16V. Supply current 0.5mA (typ) at VCC=5V, 1mA (typ) at VCC=30V."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2204111630_Jiangsu-Changjing-Electronics-Technology-Co---Ltd--CJ358_C2829461.pdf",
        "pages": 6,
        "sha256": "176af1babad100e2",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "cj358.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          4.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "cj358-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          4.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "a3c3506d5caae653dfd408cec3136698f574a5400aec5de721698b9686cc4fe6",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Changjing",
      "Package": "SOP-8",
      "Category": "Op-amp/Cmp",
      "Pins": "8"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "176af1babad100e2",
      "rows": [
        {
          "name": "Power Supply Voltage",
          "symbol": "VCC",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 32,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Differential Input Voltage",
          "symbol": "VID",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 32,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Input Voltage",
          "symbol": "VIC",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 32,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Input Current",
          "symbol": "IIN",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 50,
          "conditions": "VIN<-0.3V (Note 2)",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Power Dissipation",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 550,
          "conditions": "TA=25°C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature Range",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Lead Temperature",
          "symbol": "TLEAD",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "Soldering, 10 seconds",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Supply Voltage",
          "symbol": "VCC",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 3,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Ambient Operating Temperature Range",
          "symbol": "TA",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": 0,
          "typ": null,
          "max": 70,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Input Offset Voltage",
          "symbol": "VIO",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 2,
          "max": 7,
          "conditions": "VO=1.4V, RS=0Ω, VCC=5V to 30V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Input Bias Current",
          "symbol": "IBIAS",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": 20,
          "max": 250,
          "conditions": "IIN+ or IIN-, VCM=0V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Input Offset Current",
          "symbol": "IIO",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": 5,
          "max": 50,
          "conditions": "IIN+-IIN-, VCM=0V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Input Common Mode Voltage Range",
          "symbol": "VIR",
          "kind": "electrical",
          "unit": "V",
          "min": 0,
          "typ": null,
          "max": null,
          "conditions": "VCC=30V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Supply Current",
          "symbol": "ICC",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 1,
          "max": 2,
          "conditions": "RL=∞, over full temperature range on all OP Amps, VCC=30V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Supply Current",
          "symbol": "ICC",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 0.5,
          "max": 1.2,
          "conditions": "RL=∞, over full temperature range on all OP Amps, VCC=5V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Large Signal Voltage Gain",
          "symbol": "GV",
          "kind": "electrical",
          "unit": "dB",
          "min": 88,
          "typ": 100,
          "max": null,
          "conditions": "VCC=15V, RL≥2kΩ, VO=1V to 11V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Common Mode Rejection Ratio",
          "symbol": "CMRR",
          "kind": "electrical",
          "unit": "dB",
          "min": 65,
          "typ": 85,
          "max": null,
          "conditions": "VCM=0V to (VCC-1.5)V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Power Supply Rejection Ratio",
          "symbol": "PSRR",
          "kind": "electrical",
          "unit": "dB",
          "min": 65,
          "typ": 90,
          "max": null,
          "conditions": "VCC=5V to 30V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Output Current Source",
          "symbol": "ISOURCE",
          "kind": "electrical",
          "unit": "mA",
          "min": 20,
          "typ": 40,
          "max": null,
          "conditions": "VIN+=1V, VIN-=0V, VCC=15V, VO=2V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Output Current Sink",
          "symbol": "ISINK",
          "kind": "electrical",
          "unit": "mA",
          "min": 10,
          "typ": 20,
          "max": null,
          "conditions": "VIN+=0V, VIN-=1V, VCC=15V, VO=2V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Output Current Sink (small output)",
          "symbol": "ISINK",
          "kind": "electrical",
          "unit": "µA",
          "min": 12,
          "typ": 50,
          "max": null,
          "conditions": "VIN+=0V, VIN-=1V, VCC=15V, VO=0.2V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Output Short Circuit to Ground",
          "symbol": "ISC",
          "kind": "electrical",
          "unit": "mA",
          "min": 40,
          "typ": 60,
          "max": null,
          "conditions": "VCC=15V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage Swing High",
          "symbol": "VOH",
          "kind": "electrical",
          "unit": "V",
          "min": 26,
          "typ": null,
          "max": null,
          "conditions": "VCC=30V, RL=2kΩ",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage Swing High",
          "symbol": "VOH",
          "kind": "electrical",
          "unit": "V",
          "min": 27,
          "typ": 28,
          "max": null,
          "conditions": "VCC=30V, RL=10kΩ",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage Swing Low",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 5,
          "max": 20,
          "conditions": "VCC=5V, RL=10kΩ",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Channel Separation",
          "symbol": "CS",
          "kind": "electrical",
          "unit": "dB",
          "min": null,
          "typ": -120,
          "max": null,
          "conditions": "f=1kHz to 20kHz",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance (Junction to Case)",
          "symbol": "θJC",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 98.84,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "cj358"
  ],
  "discovery_pitch": "CJ358 (Changjing) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "cj358.kicad_sym",
    "cj358.kicad_mod",
    "cj358.glb",
    "cj358.step",
    "cj358.lbr",
    "docs/hero.png",
    "docs/cj358-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "updated_at": "2026-09-24T19:05:22.408Z"
}