AD5755-1ACPZ

{
  "slug": "ad5755-1acpz",
  "version": "0.1.0",
  "type": "component",
  "description": "Analog Devices Pre-ordered Chips, LFCSP-64(9x9). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
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    "interface ics",
    "ad5755-1acpz",
    "factory-2.0.0",
    "extractor-text"
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  "component": {
    "mpn": "AD5755-1ACPZ",
    "manufacturer": "Analog Devices",
    "package": "LFCSP-64(9x9)",
    "pin_count": 65,
    "category": "Interface ICs",
    "subcategory": "Pre-ordered Chips",
    "datasheet": "https://www.analog.com/media/en/technical-documentation/data-sheets/AD5755-1.pdf",
    "parts": {
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      "lbr": "ad5755-1acpz.lbr"
    },
    "distributor_links": {
      "lcsc": "C578290",
      "digikey": "505-AD5755-1ACPZ-ND",
      "mouser": "584-AD5755-1ACPZ"
    },
    "distributor_check": {
      "checked_at": "2026-10-28T17:07:47Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "505-AD5755-1ACPZ-ND",
        "status": "found"
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      "mouser": {
        "pn": "584-AD5755-1ACPZ",
        "status": "found"
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    },
    "pins": [
      {
        "number": "1",
        "name": "RSET_B",
        "type": "passive",
        "description": "An external, precision, low drift 15 kΩ current setting resistor can be connected to this pin to improve the IOUT_B temperature drift performance."
      },
      {
        "number": "2",
        "name": "RSET_A",
        "type": "passive",
        "description": "An external, precision, low drift 15 kΩ current setting resistor can be connected to this pin to improve the IOUT_A temperature drift performance."
      },
      {
        "number": "3",
        "name": "REFGND",
        "type": "power_in",
        "description": "Ground reference point for the internal reference."
      },
      {
        "number": "4",
        "name": "REFGND",
        "type": "power_in",
        "description": "Ground reference point for the internal reference."
      },
      {
        "number": "5",
        "name": "AD0",
        "type": "input",
        "description": "Address decode for the device under test on the board."
      },
      {
        "number": "6",
        "name": "AD1",
        "type": "input",
        "description": "Address decode for the device under test on the board; it is not recommended to tie both AD1 and AD0 low when using PEC."
      },
      {
        "number": "7",
        "name": "SYNC",
        "type": "input",
        "description": "Active low frame synchronization input for the serial interface; data is transferred in on the falling edge of SCLK while SYNC is low."
      },
      {
        "number": "8",
        "name": "SCLK",
        "type": "input",
        "description": "Serial clock input, with data clocked into the input shift register on the falling edge; operates at clock speeds of up to 30 MHz."
      },
      {
        "number": "9",
        "name": "SDIN",
        "type": "input",
        "description": "Serial data input; data must be valid on the falling edge of SCLK."
      },
      {
        "number": "10",
        "name": "SDO",
        "type": "output",
        "description": "Serial data output used to clock data from the serial register in readback mode."
      },
      {
        "number": "11",
        "name": "DVDD",
        "type": "power_in",
        "description": "Digital supply with a voltage range from 2.7 V to 5.5 V."
      },
      {
        "number": "12",
        "name": "DGND",
        "type": "power_in",
        "description": "Digital ground."
      },
      {
        "number": "13",
        "name": "LDAC",
        "type": "input",
        "description": "Active low load DAC input that updates the DAC outputs; it must not be left unconnected."
      },
      {
        "number": "14",
        "name": "CLEAR",
        "type": "input",
        "description": "Active high, edge sensitive input that sets the output to the preprogrammed clear code; the DAC output register cannot be written while CLEAR is active."
      },
      {
        "number": "15",
        "name": "ALERT",
        "type": "output",
        "description": "Active high output asserted when there has been no SPI activity on the interface pins for a predetermined time."
      },
      {
        "number": "16",
        "name": "FAULT",
        "type": "output",
        "description": "Active low open-drain output asserted for an open circuit in current mode, a short circuit in voltage mode, a PEC error, or an overtemperature."
      },
      {
        "number": "17",
        "name": "POC",
        "type": "input",
        "description": "Power-on condition pin read at power-on or after reset; POC = 0 powers up the outputs tristated and POC = 1 applies a 30 kΩ pull-down to ground on the voltage output channel."
      },
      {
        "number": "18",
        "name": "RESET",
        "type": "input",
        "description": "Hardware reset active low input."
      },
      {
        "number": "19",
        "name": "AVDD",
        "type": "power_in",
        "description": "Positive analog supply with a voltage range from 9 V to 33 V."
      },
      {
        "number": "20",
        "name": "COMPLV_A",
        "type": "passive",
        "description": "Optional compensation capacitor connection for the VOUT_A output buffer; a 220 pF capacitor to VOUT_A allows the voltage output to drive up to 2 µF."
      },
      {
        "number": "21",
        "name": "CHARTA",
        "type": "passive",
        "description": "HART input connection for DAC Channel A; leave as an open circuit if unused."
      },
      {
        "number": "22",
        "name": "+VSENSE_A",
        "type": "passive",
        "description": "Sense connection for the positive voltage output load connection for VOUT_A."
      },
      {
        "number": "23",
        "name": "COMPDCDC_A",
        "type": "passive",
        "description": "DC-to-DC compensation capacitor pin; connect a 10 nF capacitor from this pin to ground."
      },
      {
        "number": "24",
        "name": "VBOOST_A",
        "type": "power_in",
        "description": "Supply for the Channel A current output stage, also supplying the VOUT_x stage which is regulated to 15 V by the dc-to-dc converter."
      },
      {
        "number": "25",
        "name": "VOUT_A",
        "type": "output",
        "description": "Buffered analog output voltage for DAC Channel A."
      },
      {
        "number": "26",
        "name": "IOUT_A",
        "type": "output",
        "description": "Current output pin for DAC Channel A."
      },
      {
        "number": "27",
        "name": "AVSS",
        "type": "power_in",
        "description": "Negative analog supply with a voltage range from 0 V to −26.4 V."
      },
      {
        "number": "28",
        "name": "COMPLV_B",
        "type": "passive",
        "description": "Optional compensation capacitor connection for the VOUT_B output buffer; a 220 pF capacitor to VOUT_B allows the voltage output to drive up to 2 µF."
      },
      {
        "number": "29",
        "name": "CHARTB",
        "type": "passive",
        "description": "HART input connection for DAC Channel B; leave as an open circuit if unused."
      },
      {
        "number": "30",
        "name": "+VSENSE_B",
        "type": "passive",
        "description": "Sense connection for the positive voltage output load connection for VOUT_B."
      },
      {
        "number": "31",
        "name": "VOUT_B",
        "type": "output",
        "description": "Buffered analog output voltage for DAC Channel B."
      },
      {
        "number": "32",
        "name": "COMPDCDC_B",
        "type": "passive",
        "description": "DC-to-DC compensation capacitor pin; connect a 10 nF capacitor from this pin to ground."
      },
      {
        "number": "33",
        "name": "IOUT_B",
        "type": "output",
        "description": "Current output pin for DAC Channel B."
      },
      {
        "number": "34",
        "name": "VBOOST_B",
        "type": "power_in",
        "description": "Supply for the Channel B current output stage, also supplying the VOUT_x stage which is regulated to 15 V by the dc-to-dc converter."
      },
      {
        "number": "35",
        "name": "AGND",
        "type": "power_in",
        "description": "Ground reference point for analog circuitry; this must be connected to 0 V."
      },
      {
        "number": "36",
        "name": "SWB",
        "type": "output",
        "description": "Switching output for Channel B dc-to-dc circuitry; connect as shown in Figure 81 to use the dc-to-dc feature."
      },
      {
        "number": "37",
        "name": "GNDSWB",
        "type": "power_in",
        "description": "Ground connection for the dc-to-dc switching circuit; this pin must always be connected to ground."
      },
      {
        "number": "38",
        "name": "GNDSWA",
        "type": "power_in",
        "description": "Ground connection for the dc-to-dc switching circuit; this pin must always be connected to ground."
      },
      {
        "number": "39",
        "name": "SWA",
        "type": "output",
        "description": "Switching output for Channel A dc-to-dc circuitry; connect as shown in Figure 81 to use the dc-to-dc feature."
      },
      {
        "number": "40",
        "name": "AVSS",
        "type": "power_in",
        "description": "Negative analog supply pin with a voltage range from −10.8 V to −26.4 V; it can be connected to 0 V in unipolar supply mode."
      },
      {
        "number": "41",
        "name": "SWD",
        "type": "output",
        "description": "Switching output for Channel D dc-to-dc circuitry; connect as shown in Figure 81 to use the dc-to-dc feature."
      },
      {
        "number": "42",
        "name": "GNDSWD",
        "type": "power_in",
        "description": "Ground connection for the dc-to-dc switching circuit; this pin must always be connected to ground."
      },
      {
        "number": "43",
        "name": "GNDSWC",
        "type": "power_in",
        "description": "Ground connection for the dc-to-dc switching circuit; this pin must always be connected to ground."
      },
      {
        "number": "44",
        "name": "SWC",
        "type": "output",
        "description": "Switching output for Channel C dc-to-dc circuitry; connect as shown in Figure 81 to use the dc-to-dc feature."
      },
      {
        "number": "45",
        "name": "AVCC",
        "type": "power_in",
        "description": "Supply for the dc-to-dc circuitry."
      },
      {
        "number": "46",
        "name": "VBOOST_C",
        "type": "power_in",
        "description": "Supply for the Channel C current output stage, also supplying the VOUT_x stage which is regulated to 15 V by the dc-to-dc converter."
      },
      {
        "number": "47",
        "name": "IOUT_C",
        "type": "output",
        "description": "Current output pin for DAC Channel C."
      },
      {
        "number": "48",
        "name": "COMPDCDC_C",
        "type": "passive",
        "description": "DC-to-DC compensation capacitor pin; connect a 10 nF capacitor from this pin to ground."
      },
      {
        "number": "49",
        "name": "VOUT_C",
        "type": "output",
        "description": "Buffered analog output voltage for DAC Channel C."
      },
      {
        "number": "50",
        "name": "+VSENSE_C",
        "type": "passive",
        "description": "Sense connection for the positive voltage output load connection for VOUT_C."
      },
      {
        "number": "51",
        "name": "CHARTC",
        "type": "passive",
        "description": "HART input connection for DAC Channel C; leave as an open circuit if unused."
      },
      {
        "number": "52",
        "name": "COMPLV_C",
        "type": "passive",
        "description": "Optional compensation capacitor connection for the VOUT_C output buffer; a 220 pF capacitor to VOUT_C allows the voltage output to drive up to 2 µF."
      },
      {
        "number": "53",
        "name": "AVSS",
        "type": "power_in",
        "description": "Negative analog supply pin."
      },
      {
        "number": "54",
        "name": "IOUT_D",
        "type": "output",
        "description": "Current output pin for DAC Channel D."
      },
      {
        "number": "55",
        "name": "VOUT_D",
        "type": "output",
        "description": "Buffered analog output voltage for DAC Channel D."
      },
      {
        "number": "56",
        "name": "VBOOST_D",
        "type": "power_in",
        "description": "Supply for the Channel D current output stage, also supplying the VOUT_x stage which is regulated to 15 V by the dc-to-dc converter."
      },
      {
        "number": "57",
        "name": "COMPDCDC_D",
        "type": "passive",
        "description": "DC-to-DC compensation capacitor pin; connect a 10 nF capacitor from this pin to ground."
      },
      {
        "number": "58",
        "name": "+VSENSE_D",
        "type": "passive",
        "description": "Sense connection for the positive voltage output load connection for VOUT_D."
      },
      {
        "number": "59",
        "name": "CHARTD",
        "type": "passive",
        "description": "HART input connection for DAC Channel D; leave as an open circuit if unused."
      },
      {
        "number": "60",
        "name": "COMPLV_D",
        "type": "passive",
        "description": "Optional compensation capacitor connection for the VOUT_D output buffer; a 220 pF capacitor to VOUT_D allows the voltage output to drive up to 2 µF."
      },
      {
        "number": "61",
        "name": "REFIN",
        "type": "input",
        "description": "External reference voltage input; REFOUT must be connected to REFIN to use the internal reference."
      },
      {
        "number": "62",
        "name": "REFOUT",
        "type": "output",
        "description": "Internal reference voltage output; place a 0.1 µF capacitor between REFOUT and REFGND."
      },
      {
        "number": "63",
        "name": "RSET_D",
        "type": "passive",
        "description": "An external, precision, low drift 15 kΩ current setting resistor can be connected to this pin to improve the IOUT_D temperature drift performance."
      },
      {
        "number": "64",
        "name": "RSET_C",
        "type": "passive",
        "description": "An external, precision, low drift 15 kΩ current setting resistor can be connected to this pin to improve the IOUT_C temperature drift performance."
      },
      {
        "number": "65",
        "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": {
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        "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 table covers the 64-lead LFCSP (CP-64-12) variant, which matches the AD5755-1ACPZ ordering entry"
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        "pages_sent": 10,
        "cost_usd": 0.0426,
        "at": "2026-10-28T17:07:38"
      },
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        "pages": 50,
        "sha256": "98c402eed9506091",
        "source_tier": "mfr"
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