LM4890MM

{
  "slug": "lm4890mm",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Audio Power OpAmps, VSSOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
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    "lm4890mm",
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    "viewers/footprint.html",
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  "component": {
    "mpn": "LM4890MM",
    "manufacturer": "Texas Instruments",
    "package": "VSSOP-8",
    "pin_count": 8,
    "category": "Operational Amplifier/Comparator",
    "subcategory": "Audio Power OpAmps",
    "datasheet": "https://www.ti.com/cn/lit/gpn/lm4890",
    "parts": {
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      "footprint": "lm4890mm.kicad_mod",
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      "lbr": "lm4890mm.lbr"
    },
    "distributor_links": {
      "lcsc": "C9422",
      "mouser": "926-LM4890MM"
    },
    "distributor_check": {
      "checked_at": "2026-10-10T20:03:46Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": "926-LM4890MM",
        "status": "found",
        "lifecycle": "Obsolete"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "SHUTDOWN",
        "type": "input",
        "description": "Active-low shutdown input; logic low (below 0.4V max) turns off the bias circuitry for about 0.1µA typical shutdown current, and logic high (1.2V min) enables the amplifier."
      },
      {
        "number": "2",
        "name": "BYPASS",
        "type": "passive",
        "description": "Half-supply bypass pin that needs an external capacitor (1.0µF recommended) for half-supply filtering, PSRR and turn-on click and pop performance."
      },
      {
        "number": "3",
        "name": "+IN",
        "type": "input",
        "description": "Non-inverting input of the first amplifier."
      },
      {
        "number": "4",
        "name": "-IN",
        "type": "input",
        "description": "Inverting input of the first amplifier, driven through RIN, which sets the gain with Rf as AVD = 2*(Rf/RIN) and forms a high-pass filter with CIN."
      },
      {
        "number": "5",
        "name": "Vo1",
        "type": "output",
        "description": "Output of the first amplifier, one side of the bridged (BTL) load, in antiphase with Vo2 and biased at half-supply."
      },
      {
        "number": "6",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive supply, operating range 2.2V to 5.5V, bypassed with a capacitor placed close to the pin."
      },
      {
        "number": "7",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin."
      },
      {
        "number": "8",
        "name": "Vo2",
        "type": "output",
        "description": "Output of the second amplifier, the other side of the bridged (BTL) load, a unity-gain inversion of Vo1 biased at half-supply."
      }
    ],
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        "pages": 40,
        "sha256": "13ec1db10db71b3a",
        "source_tier": "lcsc"
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      "pins": {
        "total": 8,
        "described": 8,
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        "refuses_to_fabricate": true
      }
    },
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}