ADS8568SPMR

{
  "slug": "ads8568spmr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Analog To Digital Converters (ADC), LQFP-64(10x10). Datasheet-verified pinout, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "data acquisition",
    "ads8568spmr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ads8568spmr.kicad_sym",
    "ads8568spmr.kicad_mod",
    "ads8568spmr.glb",
    "ads8568spmr.step",
    "ads8568spmr.lbr",
    "docs/hero.png",
    "docs/ads8568spmr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "component": {
    "mpn": "ADS8568SPMR",
    "manufacturer": "Texas Instruments",
    "package": "LQFP-64(10x10)",
    "pin_count": 64,
    "category": "Data Acquisition",
    "subcategory": "Analog To Digital Converters (ADC)",
    "datasheet": "https://www.ti.com/cn/lit/gpn/ads8548",
    "parts": {
      "symbol": "ads8568spmr.kicad_sym",
      "footprint": "ads8568spmr.kicad_mod",
      "model_3d": "ads8568spmr-etched.glb",
      "model_3d_plain": "ads8568spmr.glb",
      "model_3d_step": "ads8568spmr-etched.step",
      "model_3d_step_plain": "ads8568spmr.step",
      "lbr": "ads8568spmr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2670843"
    },
    "pins": [
      {
        "number": "1",
        "name": "HVSS",
        "type": "power_in",
        "description": "Negative supply voltage for the analog inputs; decouple according to Power Supply Recommendations section."
      },
      {
        "number": "2",
        "name": "CH_D1",
        "type": "input",
        "description": "Analog input of channel D1; input voltage range controlled by RANGE pin in hardware mode or CONFIG bit C19 (RANGE_D) in software mode; can be powered down using CONFIG bit C18 (PD_D)."
      },
      {
        "number": "3",
        "name": "REFDN",
        "type": "input",
        "description": "Decoupling capacitor input for reference of channel pair D; connect to decoupling capacitor and AGND according to Power Supply Recommendations section."
      },
      {
        "number": "4",
        "name": "AVDD",
        "type": "power_in",
        "description": "Analog power supply; decouple according to Power Supply Recommendations section."
      },
      {
        "number": "5",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground; connect to the analog ground plane."
      },
      {
        "number": "6",
        "name": "REFDP",
        "type": "input",
        "description": "Decoupling capacitor input for channel pair D reference; connect to decoupling capacitor according to Power Supply Recommendations section."
      },
      {
        "number": "7",
        "name": "CH_D0",
        "type": "input",
        "description": "Analog input of channel D0; input voltage range controlled by RANGE pin in hardware mode or CONFIG bit C19 (RANGE_D) in software mode; can be powered down using CONFIG bit C18 (PD_D)."
      },
      {
        "number": "8",
        "name": "PAR/SER",
        "type": "input",
        "description": "Interface mode selection input; when low, parallel interface is selected; when high, serial interface is enabled."
      },
      {
        "number": "9",
        "name": "STBY",
        "type": "input",
        "description": "Standby mode input; in hardware mode (HW/SW = 0), when low, entire device is powered down; when high, device operates in normal mode; in software mode, connect to DGND or DVDD."
      },
      {
        "number": "10",
        "name": "RESET",
        "type": "input",
        "description": "Reset input, active high; aborts any ongoing conversions and resets internal CONFIG register to 000003FFh; valid reset pulse must be at least 50 ns long."
      },
      {
        "number": "11",
        "name": "REFEN/WR",
        "type": "input",
        "description": "Internal reference enable/write input; in hardware mode, when high, internal reference is enabled; when low, internal reference is disabled; in software mode, write input or connect to DGND/DVDD."
      },
      {
        "number": "12",
        "name": "RD",
        "type": "input",
        "description": "Read data input; in parallel mode, when low, parallel data output is enabled (if CS = 0); when high, data output is disabled; in serial mode, must be connected to DGND."
      },
      {
        "number": "13",
        "name": "CS/FS",
        "type": "input",
        "description": "Chip-select input (parallel mode); when low, parallel interface is enabled; when high, interface is disabled; in serial mode, frame synchronization input where FS falling edge controls frame transfer."
      },
      {
        "number": "14",
        "name": "AVDD",
        "type": "power_in",
        "description": "Analog power supply; decouple according to Power Supply Recommendations section."
      },
      {
        "number": "15",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground; connect to the analog ground plane."
      },
      {
        "number": "16",
        "name": "DB15/SDO_D",
        "type": "bidirectional",
        "description": "Data bit 15 (MSB) input/output in parallel mode; data output for channel pair D in serial mode (when SEL_CD = 1); when SEL_CD = 0, tie this pin to DGND."
      },
      {
        "number": "17",
        "name": "DB14/SDO_C",
        "type": "bidirectional",
        "description": "Data bit 14 input/output in parallel mode; data output for channel pair C in serial mode (when SEL_CD = 1); when SEL_CD = 0, tie this pin to DGND."
      },
      {
        "number": "18",
        "name": "DB13/SDO_B",
        "type": "bidirectional",
        "description": "Data bit 13 input/output in parallel mode; data output for channel pair B in serial mode (when SEL_B = 1); when SEL_B = 0, tie this pin to DGND."
      },
      {
        "number": "19",
        "name": "DB12/SDO_A",
        "type": "bidirectional",
        "description": "Data bit 12 input/output in parallel mode; data output for channel pair A in serial mode where SDO_A is always active; single data output for all eight channels when SEL_CD = 0 and SEL_B = 0."
      },
      {
        "number": "20",
        "name": "DB11/REFBUFEN",
        "type": "bidirectional",
        "description": "Data bit 11 input/output in parallel mode; in hardware mode (HW/SW = 0), reference buffer enable input, when low all internal reference buffers are enabled; in software mode, connect to DGND or DVDD."
      },
      {
        "number": "21",
        "name": "DB10/SCLK",
        "type": "bidirectional",
        "description": "Data bit 10 input/output in parallel mode; serial interface clock input in serial mode with serial clock frequency of 0.1 to 45 MHz and duty cycle of 40% to 60%."
      },
      {
        "number": "22",
        "name": "DB9/SDI",
        "type": "bidirectional",
        "description": "Data bit 9 input/output in parallel mode; in hardware mode (HW/SW = 0), connect to DGND; in software mode (HW/SW = 1), serial data input latched with SCLK falling edge."
      },
      {
        "number": "23",
        "name": "DB8/DCEN",
        "type": "bidirectional",
        "description": "Data bit 8 input/output in parallel mode; daisy-chain enable input in serial mode; when high, DB[3:0] serve as daisy-chain inputs DCIN_[A:D]; if daisy-chain mode not used, connect to DGND."
      },
      {
        "number": "24",
        "name": "DGND",
        "type": "power_in",
        "description": "Buffer I/O ground; connect to digital ground plane."
      },
      {
        "number": "25",
        "name": "DVDD",
        "type": "power_in",
        "description": "Buffer I/O supply voltage; connect to digital supply; decouple according to Power Supply Recommendations section."
      },
      {
        "number": "26",
        "name": "DB7",
        "type": "bidirectional",
        "description": "Data bit 7 input/output in parallel mode; must be connected to DGND in serial mode."
      },
      {
        "number": "27",
        "name": "DB6/SEL_B",
        "type": "bidirectional",
        "description": "Data bit 6 input/output in parallel mode; in serial mode, select SDO_B input where when low, SDO_B is disabled and data from all eight channels available on SDO_A; when high and SEL_CD = 0, data from channel pairs B and D available on SDO_B."
      },
      {
        "number": "28",
        "name": "DB5/SEL_CD",
        "type": "bidirectional",
        "description": "Data bit 5 input/output in parallel mode; in serial mode, select SDO_C and SDO_D input where when high, data from channel pair C available on SDO_C and channel pair D available on SDO_D."
      },
      {
        "number": "29",
        "name": "DB4",
        "type": "bidirectional",
        "description": "Data bit 4 input/output in parallel mode; must be connected to DGND in serial mode."
      },
      {
        "number": "30",
        "name": "DB3/DCIN_A",
        "type": "bidirectional",
        "description": "Data bit 3 input/output in parallel mode; in serial mode, daisy-chain data input for SDO_A of the previous device in chain (when DCEN = 1); when DCEN = 0, connect to DGND."
      },
      {
        "number": "31",
        "name": "DB2/DCIN_B",
        "type": "bidirectional",
        "description": "Data bit 2 input/output in parallel mode; in serial mode, daisy-chain data input for SDO_B of the previous device in chain (when DCEN = 1 and SEL_B = 1); when DCEN = 0, connect to DGND."
      },
      {
        "number": "32",
        "name": "DB1/DCIN_C",
        "type": "bidirectional",
        "description": "Data bit 1 input/output in parallel mode; in serial mode, daisy-chain data input for SDO_C of the previous device in chain (when DCEN = 1 and SEL_CD = 1); when DCEN = 0, connect to DGND."
      },
      {
        "number": "33",
        "name": "DB0/DCIN_D",
        "type": "bidirectional",
        "description": "Data bit 0 (LSB) input/output in parallel mode; in serial mode, daisy-chain data input for SDO_D of the previous device in chain (when DCEN = 1 and SEL_CD = 1); when DCEN = 0, connect to DGND."
      },
      {
        "number": "34",
        "name": "RANGE/XCLK",
        "type": "input",
        "description": "In hardware mode, analog input voltage range select input; when low, input voltage range is ±4 VREF; when high, input voltage range is ±2 VREF; in software mode, external conversion clock input (if CONFIG bit C29 = 1) or internal conversion clock output (if CONFIG bit C28 = 1); if not used, connect to DGND."
      },
      {
        "number": "35",
        "name": "BUSY/INT",
        "type": "output",
        "description": "When CONFIG bit C27 = 0, converter busy status output transitioning high at conversion start and low when channel pair conversion completes; when CONFIG bit C27 = 1, interrupt output transitioning high after conversion completes; polarity controlled by CONFIG bit C26 (BUSY_L/H)."
      },
      {
        "number": "36",
        "name": "ASLEEP",
        "type": "input",
        "description": "Auto-sleep enable input; when low, device operates in normal mode; when high, device functions in auto-sleep mode where hold mode and actual conversion activated six conversion clock cycles after issuing CONVST_x for power saving at lower data rates."
      },
      {
        "number": "37",
        "name": "CONVST_A",
        "type": "input",
        "description": "Conversion start of channel pair A (master channel pair, always active); rising edge initiates simultaneous conversion of analog signals at inputs CH_A[1:0]; resets internal channel state machine causing data output to start with conversion results of channel A0 with next read access."
      },
      {
        "number": "38",
        "name": "CONVST_B",
        "type": "input",
        "description": "Conversion start of channel pair B; rising edge initiates simultaneous conversion of analog signals at inputs CH_B[1:0]."
      },
      {
        "number": "39",
        "name": "CONVST_C",
        "type": "input",
        "description": "Conversion start of channel pair C; rising edge initiates simultaneous conversion of analog signals at inputs CH_C[1:0]."
      },
      {
        "number": "40",
        "name": "CONVST_D",
        "type": "input",
        "description": "Conversion start of channel pair D; rising edge initiates simultaneous conversion of analog signals at inputs CH_D[1:0]."
      },
      {
        "number": "41",
        "name": "HW/SW",
        "type": "input",
        "description": "Mode selection input; when low, hardware mode is selected and device functions according to settings of external pins; when high, software mode is selected and device configured by writing to CONFIG register."
      },
      {
        "number": "42",
        "name": "CH_A0",
        "type": "input",
        "description": "Analog input of channel A0 (master channel pair, always active); input voltage range controlled by RANGE pin in hardware mode or CONFIG bit C24 (RANGE_A) in software mode; must run at highest data rate when channel pairs used at different data rates."
      },
      {
        "number": "43",
        "name": "REFAP",
        "type": "input",
        "description": "Decoupling capacitor input for reference of channel pair A; connect to decoupling capacitor according to Power Supply Recommendations section."
      },
      {
        "number": "44",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground; connect to the analog ground plane."
      },
      {
        "number": "45",
        "name": "AVDD",
        "type": "power_in",
        "description": "Analog power supply; decouple according to Power Supply Recommendations section."
      },
      {
        "number": "46",
        "name": "REFAN",
        "type": "input",
        "description": "Decoupling capacitor input for reference of channel pair A; connect to decoupling capacitor and AGND according to Power Supply Recommendations section."
      },
      {
        "number": "47",
        "name": "CH_A1",
        "type": "input",
        "description": "Analog input of channel A1 (master channel pair, always active); input voltage range controlled by RANGE pin in hardware mode or CONFIG bit C24 (RANGE_A) in software mode; must run at highest data rate when channel pairs used at different data rates."
      },
      {
        "number": "48",
        "name": "HVDD",
        "type": "power_in",
        "description": "Positive supply voltage for the analog inputs; decouple according to Power Supply Recommendations section."
      },
      {
        "number": "49",
        "name": "CH_B0",
        "type": "input",
        "description": "Analog input of channel B0; input voltage range controlled by RANGE pin in hardware mode or CONFIG bit C23 (RANGE_B) in software mode."
      },
      {
        "number": "50",
        "name": "REFBP",
        "type": "input",
        "description": "Decoupling capacitor input for reference of channel pair B; connect to decoupling capacitor according to Power Supply Recommendations section."
      },
      {
        "number": "51",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground; connect to the analog ground plane."
      },
      {
        "number": "52",
        "name": "AVDD",
        "type": "power_in",
        "description": "Analog power supply; decouple according to Power Supply Recommendations section."
      },
      {
        "number": "53",
        "name": "REFBN",
        "type": "input",
        "description": "Decoupling capacitor input for reference of channel pair B; connect to decoupling capacitor and AGND according to Power Supply Recommendations section."
      },
      {
        "number": "54",
        "name": "CH_B1",
        "type": "input",
        "description": "Analog input of channel B1; input voltage range controlled by RANGE pin in hardware mode or CONFIG bit C23 (RANGE_B) in software mode."
      },
      {
        "number": "55",
        "name": "REFN",
        "type": "input",
        "description": "Negative reference input/output pin; connect to decoupling capacitor and AGND according to Power Supply Recommendations section."
      },
      {
        "number": "56",
        "name": "REFIO",
        "type": "bidirectional",
        "description": "Reference voltage input/output; internal reference enabled by REFEN/WR pin in hardware mode or CONFIG bit C15 (REFEN) in software mode; output value controlled by internal DAC and CONFIG bits C[9:0]; connect to decoupling capacitor (100 nF minimum, 470 nF recommended)."
      },
      {
        "number": "57",
        "name": "AVDD",
        "type": "power_in",
        "description": "Analog power supply; decouple according to Power Supply Recommendations section."
      },
      {
        "number": "58",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground; connect to the analog ground plane."
      },
      {
        "number": "59",
        "name": "CH_C1",
        "type": "input",
        "description": "Analog input of channel C1; input voltage range controlled by RANGE pin in hardware mode or CONFIG bit C21 (RANGE_C) in software mode."
      },
      {
        "number": "60",
        "name": "REFCN",
        "type": "input",
        "description": "Decoupling capacitor input for reference of channel pair C; connect to decoupling capacitor and AGND according to Power Supply Recommendations section."
      },
      {
        "number": "61",
        "name": "AVDD",
        "type": "power_in",
        "description": "Analog power supply; decouple according to Power Supply Recommendations section."
      },
      {
        "number": "62",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground; connect to the analog ground plane."
      },
      {
        "number": "63",
        "name": "REFCP",
        "type": "input",
        "description": "Decoupling capacitor input for reference of channel pair C; connect to decoupling capacitor according to Power Supply Recommendations section."
      },
      {
        "number": "64",
        "name": "CH_C0",
        "type": "input",
        "description": "Analog input of channel C0; input voltage range controlled by RANGE pin in hardware mode or CONFIG bit C21 (RANGE_C) in software mode."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.2",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.2",
        "primary_model": "claude-haiku-4-5-20251001",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: All pin information extracted from Pin Configuration and Functions (pages 4-8), Pin Functions table "
        ],
        "pages_sent": 62,
        "cost_usd": 0.8498,
        "at": "2026-09-23T18:08:32"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/ads8548",
        "pages": 62,
        "sha256": "c3931541d3d34e55",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 64,
        "described": 64,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
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        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "b0c827bc5c05552175d28affe44a5bd2ab45c9c36efff6ff07a74cc449b13db4",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
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        "sha256": "c89ff65068294d544edf6a2477d921305403eaf9b0fa4651468533f2d6c7b672",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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}