component
AD9742ACPZ
Public Made by Adomby adom
Analog Devices Digital To Analog Converters (DACs), LFCSP-32(5x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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"description": "Analog Devices Digital To Analog Converters (DACs), LFCSP-32(5x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
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"component": {
"mpn": "AD9742ACPZ",
"manufacturer": "Analog Devices",
"package": "LFCSP-32(5x5)",
"pin_count": 33,
"category": "ADC/DAC/Data Conversion",
"subcategory": "Digital To Analog Converters (DACs)",
"datasheet": "https://www.analog.com/media/en/technical-documentation/data-sheets/AD9742.pdf",
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"lcsc": "C578868",
"digikey": "505-AD9742ACPZ-ND",
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"pins": [
{
"number": "1",
"name": "DB5",
"type": "input",
"description": "Data bit 5 input of the 12-bit parallel data bus, with digital inputs supporting 3 V CMOS logic families."
},
{
"number": "2",
"name": "DB4",
"type": "input",
"description": "Data bit 4 input of the 12-bit parallel data bus, with digital inputs supporting 3 V CMOS logic families."
},
{
"number": "3",
"name": "DVDD",
"type": "power_in",
"description": "Digital supply voltage of 3.3 V nominal, with a 2.7 V to 3.6 V supply range."
},
{
"number": "4",
"name": "DB3",
"type": "input",
"description": "Data bit 3 input of the 12-bit parallel data bus, with digital inputs supporting 3 V CMOS logic families."
},
{
"number": "5",
"name": "DB2",
"type": "input",
"description": "Data bit 2 input of the 12-bit parallel data bus, with digital inputs supporting 3 V CMOS logic families."
},
{
"number": "6",
"name": "DB1",
"type": "input",
"description": "Data bit 1 input of the 12-bit parallel data bus, with digital inputs supporting 3 V CMOS logic families."
},
{
"number": "7",
"name": "DB0",
"type": "input",
"description": "Least significant data bit (LSB) input of the 12-bit parallel data bus, with digital inputs supporting 3 V CMOS logic families."
},
{
"number": "8",
"name": "NC",
"type": "unconnected",
"description": "No internal connection."
},
{
"number": "9",
"name": "NC",
"type": "unconnected",
"description": "No internal connection."
},
{
"number": "10",
"name": "DCOM",
"type": "power_in",
"description": "Digital common ground for the digital supply DVDD."
},
{
"number": "11",
"name": "CLKVDD",
"type": "power_in",
"description": "Clock supply voltage of 3.3 V nominal, with a 2.7 V to 3.6 V supply range."
},
{
"number": "12",
"name": "CLK+",
"type": "input",
"description": "Differential clock input; in differential mode the common-mode level can vary from 0.75 V to 2.25 V with differential swing as low as 0.5 V p-p, and in single-ended mode it is driven rail-to-rail."
},
{
"number": "13",
"name": "CLK−",
"type": "input",
"description": "Complementary differential clock input, which is left floating in single-ended clock mode."
},
{
"number": "14",
"name": "CLKCOM",
"type": "power_in",
"description": "Clock common ground; connecting CMODE to this pin selects the single-ended clock receiver."
},
{
"number": "15",
"name": "CMODE",
"type": "input",
"description": "Clock mode select: connect to CLKCOM for single-ended, to CLKVDD for differential, or float for PECL receiver mode."
},
{
"number": "16",
"name": "MODE",
"type": "input",
"description": "Input data format select: connect to DCOM for straight binary coding or to DVDD for twos complement coding."
},
{
"number": "17",
"name": "AVDD",
"type": "power_in",
"description": "Analog supply voltage of 3.3 V nominal, with a 2.7 V to 3.6 V supply range."
},
{
"number": "18",
"name": "AVDD",
"type": "power_in",
"description": "Analog supply voltage of 3.3 V nominal, with a 2.7 V to 3.6 V supply range."
},
{
"number": "19",
"name": "ACOM",
"type": "power_in",
"description": "Analog common ground for the analog supply AVDD."
},
{
"number": "20",
"name": "IOUTB",
"type": "output",
"description": "Complementary DAC current output carrying full-scale current when all data bits are 0, with output compliance range of -1 V to +1.25 V."
},
{
"number": "21",
"name": "IOUTA",
"type": "output",
"description": "DAC current output carrying full-scale current when all data bits are 1, with output compliance range of -1 V to +1.25 V."
},
{
"number": "22",
"name": "ACOM",
"type": "power_in",
"description": "Analog common ground for the analog supply AVDD."
},
{
"number": "23",
"name": "REFIO",
"type": "bidirectional",
"description": "Reference input/output that requires a 0.1 µF capacitor to ACOM when the internal 1.2 V reference is active."
},
{
"number": "24",
"name": "FS ADJ",
"type": "passive",
"description": "Full-scale current output adjust pin that sets the DAC full-scale output current."
},
{
"number": "25",
"name": "SLEEP",
"type": "input",
"description": "Active-high power-down control input with an active pull-down circuit, which may be left unterminated if not used."
},
{
"number": "26",
"name": "DCOM",
"type": "power_in",
"description": "Digital common ground for the digital supply DVDD."
},
{
"number": "27",
"name": "DB11",
"type": "input",
"description": "Most significant data bit (MSB) input of the 12-bit parallel data bus, with digital inputs supporting 3 V CMOS logic families."
},
{
"number": "28",
"name": "DB10",
"type": "input",
"description": "Data bit 10 input of the 12-bit parallel data bus, with digital inputs supporting 3 V CMOS logic families."
},
{
"number": "29",
"name": "DB9",
"type": "input",
"description": "Data bit 9 input of the 12-bit parallel data bus, with digital inputs supporting 3 V CMOS logic families."
},
{
"number": "30",
"name": "DB8",
"type": "input",
"description": "Data bit 8 input of the 12-bit parallel data bus, with digital inputs supporting 3 V CMOS logic families."
},
{
"number": "31",
"name": "DB7",
"type": "input",
"description": "Data bit 7 input of the 12-bit parallel data bus, with digital inputs supporting 3 V CMOS logic families."
},
{
"number": "32",
"name": "DB6",
"type": "input",
"description": "Data bit 6 input of the 12-bit parallel data bus, with digital inputs supporting 3 V CMOS logic families."
},
{
"number": "33",
"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": [
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],
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"at": "2026-10-30T22:40:48"
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"pages": 32,
"sha256": "ea3ba19811fe66fd",
"source_tier": "mfr"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
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