PGA2500IDBR

{
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  "type": "component",
  "slug": "pga2500idbr",
  "title": "PGA2500IDBR",
  "brief": "Texas Instruments Operational Amplifier, SSOP-28-208mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
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  "component": {
    "mpn": "PGA2500IDBR",
    "manufacturer": "Texas Instruments",
    "package": "SSOP-28-208mil",
    "pin_count": 28,
    "category": "Operational Amplifier/Comparator",
    "subcategory": "Operational Amplifier",
    "datasheet": "https://www.ti.com/cn/lit/gpn/pga2500",
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      "lcsc": "C544405"
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      "checked_at": "2026-10-22T23:00:28Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "deferred",
        "error": "shared DigiKey quota guard: 724 calls left today"
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    "pins": [
      {
        "number": "1",
        "name": "GPO1",
        "type": "output",
        "description": "General-purpose CMOS logic output, controlled via the serial port (data bit for GPO1)."
      },
      {
        "number": "2",
        "name": "GPO2",
        "type": "output",
        "description": "General-purpose CMOS logic output, controlled via the serial port (data bit for GPO2)."
      },
      {
        "number": "3",
        "name": "GPO3",
        "type": "output",
        "description": "General-purpose CMOS logic output, controlled via the serial port (data bit for GPO3)."
      },
      {
        "number": "4",
        "name": "GPO4",
        "type": "output",
        "description": "General-purpose CMOS logic output, controlled via the serial port (data bit for GPO4)."
      },
      {
        "number": "5",
        "name": "OVR",
        "type": "output",
        "description": "Active-high CMOS over-range output, forced high when output exceeds the threshold set by the OL bit (5.1VRMS or 4.0VRMS differential)."
      },
      {
        "number": "6",
        "name": "DGND",
        "type": "power_in",
        "description": "Digital ground."
      },
      {
        "number": "7",
        "name": "DCEN",
        "type": "input",
        "description": "DC servo enable input, active low."
      },
      {
        "number": "8",
        "name": "0dB",
        "type": "input",
        "description": "Unity gain enable input, active high; overrides serial port gain settings while high."
      },
      {
        "number": "9",
        "name": "ZCEN",
        "type": "input",
        "description": "Zero crossing detector enable input, active high; low disables detection so gain changes occur immediately."
      },
      {
        "number": "10",
        "name": "SDI",
        "type": "input",
        "description": "Serial data input, sampled on the rising edge of SCLK, used to write the serial port register."
      },
      {
        "number": "11",
        "name": "CS",
        "type": "input",
        "description": "Chip select and word latch clock input, active low; control word latched on low-to-high transition."
      },
      {
        "number": "12",
        "name": "SCLK",
        "type": "input",
        "description": "Serial data clock input, up to 6.25MHz, clocking data into SDI and out of SDO."
      },
      {
        "number": "13",
        "name": "SDO",
        "type": "tri_state",
        "description": "Serial data output clocked on the falling edge of SCLK, for read-back or daisy-chaining; high impedance when CS is high."
      },
      {
        "number": "14",
        "name": "VD−",
        "type": "power_in",
        "description": "−5V digital supply (−4.75V to −5.25V operating)."
      },
      {
        "number": "15",
        "name": "VA−",
        "type": "power_in",
        "description": "−5V analog supply (−4.75V to −5.25V operating)."
      },
      {
        "number": "16",
        "name": "VOUT−",
        "type": "output",
        "description": "Inverting analog output, designed to drive a 600Ω differential load."
      },
      {
        "number": "17",
        "name": "VOUT+",
        "type": "output",
        "description": "Non-inverting analog output, designed to drive a 600Ω differential load."
      },
      {
        "number": "18",
        "name": "VA+",
        "type": "power_in",
        "description": "+5V analog supply (+4.75V to +5.25V operating)."
      },
      {
        "number": "19",
        "name": "VA+",
        "type": "power_in",
        "description": "+5V analog supply (+4.75V to +5.25V operating)."
      },
      {
        "number": "20",
        "name": "VA−",
        "type": "power_in",
        "description": "−5V analog supply (−4.75V to −5.25V operating)."
      },
      {
        "number": "21",
        "name": "CS22",
        "type": "passive",
        "description": "DC servo capacitor #2, terminal 2; capacitor connects between pins 22 and 21, 1µF recommended, up to 4.7µF."
      },
      {
        "number": "22",
        "name": "CS21",
        "type": "passive",
        "description": "DC servo capacitor #2, terminal 1; capacitor connects between pins 22 and 21, 1µF recommended, up to 4.7µF."
      },
      {
        "number": "23",
        "name": "CS12",
        "type": "passive",
        "description": "DC servo capacitor #1, terminal 2; capacitor connects between pins 24 and 23, 1µF recommended, up to 4.7µF."
      },
      {
        "number": "24",
        "name": "CS11",
        "type": "passive",
        "description": "DC servo capacitor #1, terminal 1; capacitor connects between pins 24 and 23, 1µF recommended, up to 4.7µF."
      },
      {
        "number": "25",
        "name": "VCOMIN",
        "type": "input",
        "description": "Common mode voltage input, 0V to +2.5V, DC-biasing the PGA output and input."
      },
      {
        "number": "26",
        "name": "VIN−",
        "type": "power_in",
        "description": "Inverting analog input; AC coupling recommended and at least 50pF to analog ground recommended."
      },
      {
        "number": "27",
        "name": "VIN+",
        "type": "power_in",
        "description": "Non-inverting analog input; AC coupling recommended and at least 50pF to analog ground recommended."
      },
      {
        "number": "28",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground."
      }
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      "Manufacturer": "Texas Instruments",
      "Package": "SSOP-28-208mil",
      "Category": "Operational Amplifier/Comparator",
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