CS4382A-CQZR

{
  "slug": "cs4382a-cqzr",
  "version": "0.1.0",
  "type": "component",
  "description": "Cirrus Logic ADCs/DACs - Special Purpose, LQFP-48(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
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    "data acquisition",
    "cs4382a-cqzr",
    "factory-2.0.0",
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  "component": {
    "mpn": "CS4382A-CQZR",
    "manufacturer": "Cirrus Logic",
    "package": "LQFP-48(7x7)",
    "pin_count": 48,
    "category": "Data Acquisition",
    "subcategory": "ADCs/DACs - Special Purpose",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590160241079332864",
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    "distributor_links": {
      "lcsc": "C2667064"
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    "distributor_check": {
      "checked_at": "2026-10-17T21:09:37Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
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      "mouser": {
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        "status": "quota"
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    "pins": [
      {
        "number": "1",
        "name": "DSDA2",
        "type": "input",
        "description": "Direct Stream Digital input for channel pair 2 (A), used when the device operates in DSD mode."
      },
      {
        "number": "2",
        "name": "DSDB1",
        "type": "input",
        "description": "Direct Stream Digital input for channel pair 1 (B), used when the device operates in DSD mode."
      },
      {
        "number": "3",
        "name": "DSDA1",
        "type": "input",
        "description": "Direct Stream Digital input for channel pair 1 (A), used when the device operates in DSD mode."
      },
      {
        "number": "4",
        "name": "VD",
        "type": "power_in",
        "description": "Digital power supply input for the internal digital section, recommended 2.37 V to 2.63 V (2.5 V typical), absolute maximum 3.2 V."
      },
      {
        "number": "5",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference, to be connected to analog ground."
      },
      {
        "number": "6",
        "name": "MCLK",
        "type": "input",
        "description": "Master clock input that clocks the delta-sigma modulator and digital filters."
      },
      {
        "number": "7",
        "name": "LRCK(DSD_EN)",
        "type": "input",
        "description": "Left/right clock input at the audio sample rate Fs in PCM mode; in stand-alone mode holding it at logic 1 enters DSD mode."
      },
      {
        "number": "8",
        "name": "SDIN1",
        "type": "input",
        "description": "Serial audio data input for channel pair 1, two's complement format."
      },
      {
        "number": "9",
        "name": "SCLK",
        "type": "input",
        "description": "Serial clock input for the serial audio interface."
      },
      {
        "number": "10",
        "name": "TST",
        "type": "passive",
        "description": "Test pin that must be tied to analog ground."
      },
      {
        "number": "11",
        "name": "SDIN2",
        "type": "input",
        "description": "Serial audio data input for channel pair 2, two's complement format."
      },
      {
        "number": "12",
        "name": "TST",
        "type": "passive",
        "description": "Test pin that must be tied to analog ground."
      },
      {
        "number": "13",
        "name": "SDIN3",
        "type": "input",
        "description": "Serial audio data input for channel pair 3, two's complement format."
      },
      {
        "number": "14",
        "name": "SDIN4",
        "type": "input",
        "description": "Serial audio data input for channel pair 4, two's complement format."
      },
      {
        "number": "15",
        "name": "M2(SCL/CCLK)",
        "type": "input",
        "description": "Control port clock input (SCL in I²C mode, CCLK in SPI mode, needs external pull-up in I²C mode); M2 mode select in stand-alone mode."
      },
      {
        "number": "16",
        "name": "M1(SDA/CDIN)",
        "type": "bidirectional",
        "description": "Control port data I/O (SDA in I²C mode, requires external pull-up; CDIN input in SPI mode); M1 mode select in stand-alone mode."
      },
      {
        "number": "17",
        "name": "M0(AD0/CS)",
        "type": "input",
        "description": "I²C address bit 0 or SPI chip select; M0 mode select in stand-alone mode."
      },
      {
        "number": "18",
        "name": "VLC",
        "type": "power_in",
        "description": "Control port interface power, sets the logic level of the control port, recommended 1.71 V to 5.25 V."
      },
      {
        "number": "19",
        "name": "RST",
        "type": "input",
        "description": "Reset input; the device enters low-power mode and internal registers reset to defaults when low."
      },
      {
        "number": "20",
        "name": "FILT+",
        "type": "output",
        "description": "Positive voltage reference output for the internal sampling circuits, requires capacitive decoupling to analog ground."
      },
      {
        "number": "21",
        "name": "VQ",
        "type": "output",
        "description": "Quiescent voltage filter output that must be capacitively coupled to analog ground and presents an appreciable source impedance, so DC loading alters performance."
      },
      {
        "number": "22",
        "name": "MUTEC2",
        "type": "output",
        "description": "Mute control output for external mute circuits to suppress clicks and pops on channel pairs 2, 3 and 4."
      },
      {
        "number": "23",
        "name": "AOUTB4-",
        "type": "output",
        "description": "Differential analog output for channel pair 4 B (negative leg); full-scale level is given in the Analog Characteristics table."
      },
      {
        "number": "24",
        "name": "AOUTB4+",
        "type": "output",
        "description": "Differential analog output for channel pair 4 B (positive leg); full-scale level is given in the Analog Characteristics table."
      },
      {
        "number": "25",
        "name": "AOUTA4+",
        "type": "output",
        "description": "Differential analog output for channel pair 4 A (positive leg); full-scale level is given in the Analog Characteristics table."
      },
      {
        "number": "26",
        "name": "AOUTA4-",
        "type": "output",
        "description": "Differential analog output for channel pair 4 A (negative leg); full-scale level is given in the Analog Characteristics table."
      },
      {
        "number": "27",
        "name": "AOUTB3-",
        "type": "output",
        "description": "Differential analog output for channel pair 3 B (negative leg); full-scale level is given in the Analog Characteristics table."
      },
      {
        "number": "28",
        "name": "AOUTB3+",
        "type": "output",
        "description": "Differential analog output for channel pair 3 B (positive leg); full-scale level is given in the Analog Characteristics table."
      },
      {
        "number": "29",
        "name": "AOUTA3+",
        "type": "output",
        "description": "Differential analog output for channel pair 3 A (positive leg); full-scale level is given in the Analog Characteristics table."
      },
      {
        "number": "30",
        "name": "AOUTA3-",
        "type": "output",
        "description": "Differential analog output for channel pair 3 A (negative leg); full-scale level is given in the Analog Characteristics table."
      },
      {
        "number": "31",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference, to be connected to analog ground."
      },
      {
        "number": "32",
        "name": "VA",
        "type": "power_in",
        "description": "Analog power supply input, recommended 4.75 V to 5.25 V (5.0 V typical), absolute maximum 6.0 V."
      },
      {
        "number": "33",
        "name": "AOUTB2-",
        "type": "output",
        "description": "Differential analog output for channel pair 2 B (negative leg); full-scale level is given in the Analog Characteristics table."
      },
      {
        "number": "34",
        "name": "AOUTB2+",
        "type": "output",
        "description": "Differential analog output for channel pair 2 B (positive leg); full-scale level is given in the Analog Characteristics table."
      },
      {
        "number": "35",
        "name": "AOUTA2+",
        "type": "output",
        "description": "Differential analog output for channel pair 2 A (positive leg); full-scale level is given in the Analog Characteristics table."
      },
      {
        "number": "36",
        "name": "AOUTA2-",
        "type": "output",
        "description": "Differential analog output for channel pair 2 A (negative leg); full-scale level is given in the Analog Characteristics table."
      },
      {
        "number": "37",
        "name": "AOUTB1-",
        "type": "output",
        "description": "Differential analog output for channel pair 1 B (negative leg); full-scale level is given in the Analog Characteristics table."
      },
      {
        "number": "38",
        "name": "AOUTB1+",
        "type": "output",
        "description": "Differential analog output for channel pair 1 B (positive leg); full-scale level is given in the Analog Characteristics table."
      },
      {
        "number": "39",
        "name": "AOUTA1+",
        "type": "output",
        "description": "Differential analog output for channel pair 1 A (positive leg); full-scale level is given in the Analog Characteristics table."
      },
      {
        "number": "40",
        "name": "AOUTA1-",
        "type": "output",
        "description": "Differential analog output for channel pair 1 A (negative leg); full-scale level is given in the Analog Characteristics table."
      },
      {
        "number": "41",
        "name": "MUTEC1",
        "type": "output",
        "description": "Mute control output for an external mute circuit to suppress clicks and pops on channel pair 1."
      },
      {
        "number": "42",
        "name": "M3(DSD_SCLK)",
        "type": "input",
        "description": "Mode select M3 in stand-alone mode; serial clock input for the Direct Stream Digital audio interface."
      },
      {
        "number": "43",
        "name": "VLS",
        "type": "power_in",
        "description": "Serial audio interface power, sets the logic level of the serial port, recommended 1.71 V to 5.25 V."
      },
      {
        "number": "44",
        "name": "DSDB4",
        "type": "input",
        "description": "Direct Stream Digital input for channel pair 4 (B), used when the device operates in DSD mode."
      },
      {
        "number": "45",
        "name": "DSDA4",
        "type": "input",
        "description": "Direct Stream Digital input for channel pair 4 (A), used when the device operates in DSD mode."
      },
      {
        "number": "46",
        "name": "DSDB3",
        "type": "input",
        "description": "Direct Stream Digital input for channel pair 3 (B), used when the device operates in DSD mode."
      },
      {
        "number": "47",
        "name": "DSDA3",
        "type": "input",
        "description": "Direct Stream Digital input for channel pair 3 (A), used when the device operates in DSD mode."
      },
      {
        "number": "48",
        "name": "DSDB2",
        "type": "input",
        "description": "Direct Stream Digital input for channel pair 2 (B), used when the device operates in DSD mode."
      }
    ],
    "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 7x7 mm body size is not stated in the provided pages; the text only says '48-pin LQFP'. The pack; The pin-name diagram on page 6 is garbled in the extracted text, so the differential output polarity; Pins 15, 16, 17 and 42 carry dual functions (control port/I²C/SPI vs. stand-alone mode select M2/M1/"
        ],
        "pages_sent": 13,
        "cost_usd": 0.0994,
        "at": "2026-10-17T21:07:24"
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        "pages": 50,
        "sha256": "acf1aebedb22ef2d",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
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        "described": 48,
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        "refuses_to_fabricate": true
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