PCM1870RHFR

{
  "slug": "pcm1870rhfr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments ADCs/DACs - Special Purpose, VQFN-24(4x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "data acquisition",
    "pcm1870rhfr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "pcm1870rhfr.kicad_sym",
    "pcm1870rhfr.kicad_mod",
    "pcm1870rhfr.glb",
    "pcm1870rhfr.step",
    "pcm1870rhfr.lbr",
    "docs/hero.png",
    "docs/pcm1870rhfr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "pcm1870rhfr-hero.glb",
    "pcm1870rhfr-hero.overlay.json"
  ],
  "component": {
    "mpn": "PCM1870RHFR",
    "manufacturer": "Texas Instruments",
    "package": "VQFN-24(4x5)",
    "pin_count": 25,
    "category": "Data Acquisition",
    "subcategory": "ADCs/DACs - Special Purpose",
    "datasheet": "https://www.ti.com/cn/lit/gpn/pcm1870",
    "parts": {
      "symbol": "pcm1870rhfr.kicad_sym",
      "footprint": "pcm1870rhfr.kicad_mod",
      "model_3d": "pcm1870rhfr-hero.glb",
      "model_3d_plain": "pcm1870rhfr.glb",
      "model_3d_step": "pcm1870rhfr-etched.step",
      "model_3d_step_plain": "pcm1870rhfr.step",
      "lbr": "pcm1870rhfr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2667185",
      "digikey": "296-21941-2-ND",
      "mouser": "595-PCM1870RHFR"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T15:56:58Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-21941-2-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "595-PCM1870RHFR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VCOM",
        "type": "passive",
        "description": "Common voltage for analog, used as the ADC common-mode reference and recommended to have a 1 µF to 4.7 µF capacitor to AGND."
      },
      {
        "number": "2",
        "name": "AIN2R",
        "type": "input",
        "description": "Analog input 2 for the R channel, a single-ended input with integrated anti-aliasing low-pass filter."
      },
      {
        "number": "3",
        "name": "AIN2L",
        "type": "input",
        "description": "Analog input 2 for the L channel, a single-ended input with integrated anti-aliasing low-pass filter."
      },
      {
        "number": "4",
        "name": "MODE",
        "type": "input",
        "description": "Two- or three-wire serial interface selection: LOW selects SPI and HIGH selects I2C."
      },
      {
        "number": "5",
        "name": "MS/ADR",
        "type": "input",
        "description": "Mode control select for the 3-wire / 2-wire interface (sets the I2C address)."
      },
      {
        "number": "6",
        "name": "MD/SDA",
        "type": "bidirectional",
        "description": "Mode control data for the 3-wire interface or serial data for the 2-wire (I2C) interface."
      },
      {
        "number": "7",
        "name": "MC/SCL",
        "type": "input",
        "description": "Mode control clock for the 3-wire interface or serial clock for the 2-wire (I2C) interface."
      },
      {
        "number": "8",
        "name": "DOUT",
        "type": "output",
        "description": "Serial audio data output."
      },
      {
        "number": "9",
        "name": "VIO",
        "type": "power_in",
        "description": "Power supply for digital I/O, 1.71 V to 3.6 V (typ 3.3 V)."
      },
      {
        "number": "10",
        "name": "VDD",
        "type": "power_in",
        "description": "Power supply for digital core, 1.71 V to 3.6 V (typ 3.3 V)."
      },
      {
        "number": "11",
        "name": "DGND",
        "type": "power_in",
        "description": "Ground for digital; should be connected directly to AGND under the part to keep digital noise out of the analog ground."
      },
      {
        "number": "12",
        "name": "SCKI",
        "type": "input",
        "description": "System clock input (common audio clock, 256 fS/384 fS, and other listed rates)."
      },
      {
        "number": "13",
        "name": "BCK",
        "type": "bidirectional",
        "description": "Serial bit clock, an input in slave mode and an output in master mode."
      },
      {
        "number": "14",
        "name": "LRCK",
        "type": "bidirectional",
        "description": "Left- and right-channel clock, an input in slave mode and an output in master mode."
      },
      {
        "number": "15",
        "name": "TEST",
        "type": "input",
        "description": "Test pin that should be connected to ground."
      },
      {
        "number": "16",
        "name": "AOR",
        "type": "output",
        "description": "Microphone amplifier output for the R channel."
      },
      {
        "number": "17",
        "name": "PGINR",
        "type": "input",
        "description": "Analog input to the gain amplifier for the R channel."
      },
      {
        "number": "18",
        "name": "AOL",
        "type": "output",
        "description": "Microphone amplifier output for the L channel."
      },
      {
        "number": "19",
        "name": "PGINL",
        "type": "input",
        "description": "Analog input to the gain amplifier for the L channel."
      },
      {
        "number": "20",
        "name": "AIN1R",
        "type": "input",
        "description": "Analog input 1 for the R channel, single-ended, or the R side of the monaural differential input pair with AIN1L."
      },
      {
        "number": "21",
        "name": "AIN1L",
        "type": "input",
        "description": "Analog input 1 for the L channel, single-ended, or the L side of the monaural differential input pair with AIN1R."
      },
      {
        "number": "22",
        "name": "MICB",
        "type": "output",
        "description": "Microphone bias source output."
      },
      {
        "number": "23",
        "name": "VCC",
        "type": "power_in",
        "description": "Power supply for analog, 2.4 V to 3.6 V (typ 3.3 V)."
      },
      {
        "number": "24",
        "name": "AGND",
        "type": "power_in",
        "description": "Ground for analog."
      },
      {
        "number": "25",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "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: Pin numbers and names are from the RHF (VQFN-24, 4 mm x 5 mm) column of Table 1 on page 5, which mat; Supply voltage ranges for VIO, VDD and VCC come from the electrical characteristics table on page 4 ; The table on page 5 gives no electrical type for VCOM (shown as '-'). Type 'passive' was chosen as a",
          "exposed pad 25 added from the footprint"
        ],
        "pages_sent": 8,
        "cost_usd": 0.0586,
        "at": "2026-10-08T15:56:33"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/pcm1870",
        "pages": 53,
        "sha256": "afc0c099c6b2bac3",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 25,
        "described": 25,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
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      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "dd34955bd2f41c7d5d4f45257df2b8077e42f694598de69e58ad55ad191eecae",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "pcm1870rhfr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
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        "sha256": "a13f027b3aa620fd9dcc9e44ecb3586a4ff9272d11a4086662f0a469511be6c9",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}