component
DAC81408RHAR
Public Made by Adomby adom
Texas Instruments Digital To Analog Converters (DAC), QFN-40-EP(6x6). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"schema_version": 1,
"type": "component",
"slug": "dac81408rhar",
"title": "DAC81408RHAR",
"brief": "Texas Instruments Digital To Analog Converters (DAC), QFN-40-EP(6x6). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"version": "0.1.0",
"license": "CC-BY-SA-4.0",
"tags": [
"component",
"data acquisition",
"dac81408rhar",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "DAC81408RHAR",
"manufacturer": "Texas Instruments",
"package": "QFN-40-EP(6x6)",
"pin_count": 41,
"category": "Data Acquisition",
"subcategory": "Digital To Analog Converters (DAC)",
"datasheet": "https://www.ti.com/cn/lit/gpn/dac71408",
"parts": {
"symbol": "dac81408rhar.kicad_sym",
"footprint": "dac81408rhar.kicad_mod",
"model_3d": "dac81408rhar-hero.glb",
"model_3d_plain": "dac81408rhar.glb",
"model_3d_step": "dac81408rhar-etched.step",
"model_3d_step_plain": "dac81408rhar.step",
"lbr": "dac81408rhar.lbr"
},
"distributor_links": {
"lcsc": "C2680134",
"digikey": "296-DAC81408RHARTR-ND",
"mouser": "595-DAC81408RHAR"
},
"distributor_check": {
"checked_at": "2026-10-05T23:40:55Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "296-DAC81408RHARTR-ND",
"status": "found",
"lifecycle": "Active"
},
"mouser": {
"pn": "595-DAC81408RHAR",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "NC",
"type": "unconnected",
"description": "No connection."
},
{
"number": "2",
"name": "NC",
"type": "unconnected",
"description": "No connection."
},
{
"number": "3",
"name": "NC",
"type": "unconnected",
"description": "No connection."
},
{
"number": "4",
"name": "NC",
"type": "unconnected",
"description": "No connection."
},
{
"number": "5",
"name": "OUT0",
"type": "output",
"description": "Analog DAC output voltage for channel 0, can sink or source up to 25 mA."
},
{
"number": "6",
"name": "OUT1",
"type": "output",
"description": "Analog DAC output voltage for channel 1, can sink or source up to 25 mA."
},
{
"number": "7",
"name": "OUT2",
"type": "output",
"description": "Analog DAC output voltage for channel 2, can sink or source up to 25 mA."
},
{
"number": "8",
"name": "OUT3",
"type": "output",
"description": "Analog DAC output voltage for channel 3, can sink or source up to 25 mA."
},
{
"number": "9",
"name": "VIO",
"type": "power_in",
"description": "IO supply voltage from 1.7 V to 5.5 V, sets the I/O operating voltage for the device."
},
{
"number": "10",
"name": "GND",
"type": "power_in",
"description": "Ground reference point for all circuitry on the device."
},
{
"number": "11",
"name": "SDO",
"type": "output",
"description": "Serial interface data output, enabled by SDO-EN bit, clocked out on rising or falling edge of SCLK as specified by FSDO bit."
},
{
"number": "12",
"name": "SCLK",
"type": "input",
"description": "Serial interface clock input."
},
{
"number": "13",
"name": "SDI",
"type": "input",
"description": "Serial interface data input, clocked in on each falling edge of SCLK."
},
{
"number": "14",
"name": "CS",
"type": "input",
"description": "Active low chip select, frame synchronization signal for serial interface."
},
{
"number": "15",
"name": "TOGGLE0",
"type": "input",
"description": "Toggle control pin for DAC outputs configured for toggle operation, logic low selects Register A, high selects Register B."
},
{
"number": "16",
"name": "TOGGLE1",
"type": "input",
"description": "Toggle control pin for DAC outputs configured for toggle operation, logic low selects Register A, high selects Register B."
},
{
"number": "17",
"name": "TOGGLE2",
"type": "input",
"description": "Toggle control pin for DAC outputs configured for toggle operation, logic low selects Register A, high selects Register B."
},
{
"number": "18",
"name": "LDAC",
"type": "input",
"description": "Active low load DAC signal, updates synchronous mode channels when low."
},
{
"number": "19",
"name": "RESET",
"type": "input",
"description": "Active low reset input, minimum 500 ns pulse causes power-on-reset event."
},
{
"number": "20",
"name": "CLR",
"type": "input",
"description": "Active low clear input, clears all DAC outputs to their clear code."
},
{
"number": "21",
"name": "ALMOUT",
"type": "tri_state",
"description": "Open drain alarm output, requires external 10-kΩ pull-up resistor to VIO or lower."
},
{
"number": "22",
"name": "TEMPOUT",
"type": "output",
"description": "Analog temperature monitor output with -4 mV/°C slope and 1.34 V offset."
},
{
"number": "23",
"name": "OUT4",
"type": "output",
"description": "Analog DAC output voltage for channel 4, can sink or source up to 25 mA."
},
{
"number": "24",
"name": "OUT5",
"type": "output",
"description": "Analog DAC output voltage for channel 5, can sink or source up to 25 mA."
},
{
"number": "25",
"name": "OUT6",
"type": "output",
"description": "Analog DAC output voltage for channel 6, can sink or source up to 25 mA."
},
{
"number": "26",
"name": "OUT7",
"type": "output",
"description": "Analog DAC output voltage for channel 7, can sink or source up to 25 mA."
},
{
"number": "27",
"name": "NC",
"type": "unconnected",
"description": "No connection."
},
{
"number": "28",
"name": "NC",
"type": "unconnected",
"description": "No connection."
},
{
"number": "29",
"name": "NC",
"type": "unconnected",
"description": "No connection."
},
{
"number": "30",
"name": "NC",
"type": "unconnected",
"description": "No connection."
},
{
"number": "31",
"name": "VCC",
"type": "power_in",
"description": "Output positive analog power supply, 9 V to 41.5 V."
},
{
"number": "32",
"name": "VSS",
"type": "power_in",
"description": "Output negative analog power supply, -21.5 V to 0 V."
},
{
"number": "33",
"name": "REF",
"type": "bidirectional",
"description": "Reference input for external reference mode or reference output for internal reference mode, connect 150-nF capacitor to ground."
},
{
"number": "34",
"name": "REFCMP",
"type": "passive",
"description": "Reference compensation capacitor connection, connect 330-pF capacitor between REFCMP and REFGND."
},
{
"number": "35",
"name": "REFGND",
"type": "power_in",
"description": "Ground reference point for the internal reference circuit."
},
{
"number": "36",
"name": "GND",
"type": "power_in",
"description": "Ground reference point for all circuitry on the device."
},
{
"number": "37",
"name": "VAA",
"type": "power_in",
"description": "Analog supply voltage, 4.5 V to 5.5 V, must be at same potential as VDD."
},
{
"number": "38",
"name": "VDD",
"type": "power_in",
"description": "Digital supply voltage, 4.5 V to 5.5 V, must be at same potential as VAA."
},
{
"number": "39",
"name": "VSS",
"type": "power_in",
"description": "Output negative analog power supply, -21.5 V to 0 V."
},
{
"number": "40",
"name": "VCC",
"type": "power_in",
"description": "Output positive analog power supply, 9 V to 41.5 V."
},
{
"number": "41",
"name": "THERMAL PAD",
"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-4-5-20251001",
"primary_mode": "text",
"consensus_model": "claude-sonnet-5-5",
"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [
"extractor flagged: Thermal pad present on package underside but not assigned a numbered pin in standard pin configurati",
"exposed pad 41 added from the footprint"
],
"pages_sent": 14,
"cost_usd": 0.1826,
"at": "2026-10-05T23:40:38"
},
"datasheet": {
"url": "https://www.ti.com/cn/lit/gpn/dac71408",
"pages": 57,
"sha256": "e7e735c17754d8c0",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 41,
"described": 41,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
}
},
"metadata": {
"specs": {
"Manufacturer": "Texas Instruments",
"Package": "QFN-40-EP(6x6)",
"Category": "Data Acquisition",
"Pins": "41"
}
},
"variants": [],
"sections": [
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"viewers",
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"discovery_triggers": [
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"discovery_pitch": "DAC81408RHAR (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
"author": {
"name": "Ray",
"email": "[email protected]"
},
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