ADS825E

{
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  "type": "component",
  "slug": "ads825e",
  "title": "ADS825E",
  "brief": "Texas Instruments Analog To Digital Converters (ADC), 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",
  "tags": [
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    "data acquisition",
    "ads825e",
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  "component": {
    "mpn": "ADS825E",
    "manufacturer": "Texas Instruments",
    "package": "SSOP-28-208mil",
    "pin_count": 28,
    "category": "Data Acquisition",
    "subcategory": "Analog To Digital Converters (ADC)",
    "datasheet": "https://www.ti.com/cn/lit/gpn/ads825",
    "parts": {
      "symbol": "ads825e.kicad_sym",
      "footprint": "ads825e.kicad_mod",
      "model_3d": "ads825e-hero.glb",
      "model_3d_plain": "ads825e.glb",
      "model_3d_step": "ads825e-etched.step",
      "model_3d_step_plain": "ads825e.step",
      "lbr": "ads825e.lbr"
    },
    "distributor_links": {
      "lcsc": "C1542665",
      "digikey": "ADS825E-ND",
      "mouser": "595-ADS825E"
    },
    "distributor_check": {
      "checked_at": "2026-10-10T16:02:53Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "ADS825E-ND",
        "status": "found",
        "lifecycle": "Last Time Buy"
      },
      "mouser": {
        "pn": "595-ADS825E",
        "status": "found",
        "lifecycle": "End of Life"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin; all ground connections on the device are internally joined and should connect to an analog ground plane."
      },
      {
        "number": "2",
        "name": "D9",
        "type": "tri_state",
        "description": "Data bit 1, the MSB of the positive straight offset binary output; output goes high-impedance when OE is HI and recommended load is 15 pF or less."
      },
      {
        "number": "3",
        "name": "D8",
        "type": "tri_state",
        "description": "Data bit 2 of the straight offset binary output; output goes high-impedance when OE is HI and recommended load is 15 pF or less."
      },
      {
        "number": "4",
        "name": "D7",
        "type": "tri_state",
        "description": "Data bit 3 of the straight offset binary output; output goes high-impedance when OE is HI and recommended load is 15 pF or less."
      },
      {
        "number": "5",
        "name": "D6",
        "type": "tri_state",
        "description": "Data bit 4 of the straight offset binary output; output goes high-impedance when OE is HI and recommended load is 15 pF or less."
      },
      {
        "number": "6",
        "name": "D5",
        "type": "tri_state",
        "description": "Data bit 5 of the straight offset binary output; output goes high-impedance when OE is HI and recommended load is 15 pF or less."
      },
      {
        "number": "7",
        "name": "D4",
        "type": "tri_state",
        "description": "Data bit 6 of the straight offset binary output; output goes high-impedance when OE is HI and recommended load is 15 pF or less."
      },
      {
        "number": "8",
        "name": "D3",
        "type": "tri_state",
        "description": "Data bit 7 of the straight offset binary output; output goes high-impedance when OE is HI and recommended load is 15 pF or less."
      },
      {
        "number": "9",
        "name": "D2",
        "type": "tri_state",
        "description": "Data bit 8 of the straight offset binary output; output goes high-impedance when OE is HI and recommended load is 15 pF or less."
      },
      {
        "number": "10",
        "name": "D1",
        "type": "tri_state",
        "description": "Data bit 9 of the straight offset binary output; output goes high-impedance when OE is HI and recommended load is 15 pF or less."
      },
      {
        "number": "11",
        "name": "D0",
        "type": "tri_state",
        "description": "Data bit 10, the LSB of the straight offset binary output; output goes high-impedance when OE is HI and recommended load is 15 pF or less."
      },
      {
        "number": "12",
        "name": "OE",
        "type": "input",
        "description": "Output enable: HI puts the data outputs in high-impedance state, LO gives normal operation; the pin has an internal 50 kΩ pull-down."
      },
      {
        "number": "13",
        "name": "PD",
        "type": "input",
        "description": "Power-down control: HI enables power-down mode, which reduces power dissipation to 20 mW, and LO disables it."
      },
      {
        "number": "14",
        "name": "CLK",
        "type": "input",
        "description": "Convert clock input; data is converted on the rising edge with a 25 ns minimum period and a 50% duty cycle with edges of 2 ns or less recommended, and the pin accepts 3 V or 5 V logic levels."
      },
      {
        "number": "15",
        "name": "+VS",
        "type": "power_in",
        "description": "+5 V analog supply; operating range is +4.75 V to +5.25 V."
      },
      {
        "number": "16",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin; connect to the analog ground plane together with the other ground pins."
      },
      {
        "number": "17",
        "name": "RSEL",
        "type": "input",
        "description": "Input range select: HI selects a 2 V full-scale range and LO selects a 1 V full-scale range."
      },
      {
        "number": "18",
        "name": "INT/EXT",
        "type": "input",
        "description": "Reference select: HI selects the external reference and LO selects the internal reference."
      },
      {
        "number": "19",
        "name": "REFB",
        "type": "passive",
        "description": "Bottom reference; nominal 1.5 V, and when an external reference is used its range is 1.25 V minimum up to REFT − 0.8 V."
      },
      {
        "number": "20",
        "name": "ByB",
        "type": "passive",
        "description": "Bottom reference ladder bypass pin; no electrical limits for this pin are given in the datasheet text provided."
      },
      {
        "number": "21",
        "name": "ByT",
        "type": "passive",
        "description": "Top reference ladder bypass pin; no electrical limits for this pin are given in the datasheet text provided."
      },
      {
        "number": "22",
        "name": "REFT",
        "type": "passive",
        "description": "Top reference; nominal 3.5 V, and when an external reference is used its range is REFB + 0.8 V minimum up to VS − 1.25 V."
      },
      {
        "number": "23",
        "name": "CM",
        "type": "output",
        "description": "Common-mode voltage output, which is the bias voltage to tie the complementary input IN− to for single-ended operation."
      },
      {
        "number": "24",
        "name": "IN-",
        "type": "input",
        "description": "Complementary analog input (−); tie to CM for single-ended operation or drive differentially with IN+."
      },
      {
        "number": "25",
        "name": "IN+",
        "type": "input",
        "description": "Analog input (+); standard single-ended input range is 1.5 V to 3.5 V (2 Vp-p), with the optional 1 Vp-p range selected via RSEL."
      },
      {
        "number": "26",
        "name": "GND",
        "type": "power_in",
        "description": "Analog ground pin; connect to the analog ground plane."
      },
      {
        "number": "27",
        "name": "+VS",
        "type": "power_in",
        "description": "+5 V supply; operating range is +4.75 V to +5.25 V."
      },
      {
        "number": "28",
        "name": "VDRV",
        "type": "power_in",
        "description": "Output logic driver supply; set to +5 V or +3 V to match the interfacing logic, with +3 V recommended to lower output-stage dissipation and switching glitches."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The text extraction dropped the overbar on the analog input names. Pins 24 and 25 are printed as IN ; The pin table labels pins 2 to 11 as 'Bit 1 (MSB)' through 'Bit 10 (LSB)' and gives the data bits as; The datasheet gives no electrical limits for the ByB (pin 20) and ByT (pin 21) bypass pins in the ex",
          "1/28 pin names appear NOWHERE in the datasheet text: ['25:IN+@p4']"
        ],
        "pages_sent": 8,
        "cost_usd": 0.0659,
        "at": "2026-10-10T16:02:34"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/ads825",
        "pages": 21,
        "sha256": "1e618dddb9c6d73d",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 28,
        "described": 28,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
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        "zmin_mm": 0,
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        "sha256": "7aa76979ae41da44bded1ed74115012868f2f3f5a757faf32bb9df4f92c1e313",
        "checked": "2026-10-10",
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        "sha256": "bd3a907853c0f5efa9c74d2fa24a57593a4e2a587b88afa30e35e063d08c94e5",
        "checked": "2026-10-10",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "SSOP-28-208mil",
      "Category": "Data Acquisition",
      "Pins": "28"
    }
  },
  "variants": [],
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  "discovery_triggers": [
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  "discovery_pitch": "ADS825E (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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