component
DAC8820IBDBR
Public Made by Adomby adom
Texas Instruments Digital To Analog Converters (DAC), SSOP-28. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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{
"schema_version": 1,
"type": "component",
"slug": "dac8820ibdbr",
"title": "DAC8820IBDBR",
"brief": "Texas Instruments Digital To Analog Converters (DAC), SSOP-28. 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",
"dac8820ibdbr",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "DAC8820IBDBR",
"manufacturer": "Texas Instruments",
"package": "SSOP-28",
"pin_count": 28,
"category": "Data Acquisition",
"subcategory": "Digital To Analog Converters (DAC)",
"datasheet": "https://www.ti.com/cn/lit/gpn/dac8820",
"parts": {
"symbol": "dac8820ibdbr.kicad_sym",
"footprint": "dac8820ibdbr.kicad_mod",
"model_3d": "dac8820ibdbr-hero.glb",
"model_3d_plain": "dac8820ibdbr.glb",
"model_3d_step": "dac8820ibdbr-etched.step",
"model_3d_step_plain": "dac8820ibdbr.step",
"lbr": "dac8820ibdbr.lbr"
},
"distributor_links": {
"lcsc": "C2679922",
"digikey": "DAC8820IBDBR-ND",
"mouser": "595-DAC8820IBDBR"
},
"distributor_check": {
"checked_at": "2026-10-10T21:30:03Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "DAC8820IBDBR-ND",
"status": "found",
"lifecycle": "Active"
},
"mouser": {
"pn": "595-DAC8820IBDBR",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "REF",
"type": "input",
"description": "Reference input and 4-quadrant resistor (R2); the external VREF range is -15 V to +15 V and it sets the DAC full-scale output current."
},
{
"number": "2",
"name": "RCOM",
"type": "passive",
"description": "Center tap of the two 4-quadrant resistors R1 and R2."
},
{
"number": "3",
"name": "R1",
"type": "passive",
"description": "4-quadrant resistor R1; bipolar R1/R2 resistance is 9 kΩ min, 12 kΩ typ, 15 kΩ max."
},
{
"number": "4",
"name": "ROFS",
"type": "passive",
"description": "Bipolar offset resistor; ROFS and RFB feedback/offset resistance is 9 kΩ min, 12 kΩ typ, 15 kΩ max."
},
{
"number": "5",
"name": "RFB",
"type": "passive",
"description": "Internal matching feedback resistor that provides temperature tracking when used with an external I/V op amp; 9 kΩ min, 12 kΩ typ, 15 kΩ max."
},
{
"number": "6",
"name": "IOUT",
"type": "output",
"description": "DAC current output, which must be held at virtual GND by the external I/V op amp; full-scale output current is 1.66 mA with VREF = 10 V."
},
{
"number": "7",
"name": "AGND",
"type": "power_in",
"description": "Analog ground for the DAC, separate from digital ground DGND."
},
{
"number": "8",
"name": "LDAC",
"type": "input",
"description": "Digital input load DAC control; when high, data is loaded from the input register into the DAC register, updating the DAC output."
},
{
"number": "9",
"name": "WR",
"type": "input",
"description": "Active-low write control; when taken low, the 16 data bits on D0-D15 are loaded into the 16-bit input register."
},
{
"number": "10",
"name": "D15",
"type": "input",
"description": "Digital input data bit D15, the MSB; logic input with VIL max 0.8 V and VIH min 2.4 V at VDD = +5 V (0.6 V / 2.1 V at VDD = +2.7 V)."
},
{
"number": "11",
"name": "D14",
"type": "input",
"description": "Digital input data bit D14; logic input with VIL max 0.8 V and VIH min 2.4 V at VDD = +5 V (0.6 V / 2.1 V at VDD = +2.7 V)."
},
{
"number": "12",
"name": "D13",
"type": "input",
"description": "Digital input data bit D13; logic input with VIL max 0.8 V and VIH min 2.4 V at VDD = +5 V (0.6 V / 2.1 V at VDD = +2.7 V)."
},
{
"number": "13",
"name": "D12",
"type": "input",
"description": "Digital input data bit D12; logic input with VIL max 0.8 V and VIH min 2.4 V at VDD = +5 V (0.6 V / 2.1 V at VDD = +2.7 V)."
},
{
"number": "14",
"name": "D11",
"type": "input",
"description": "Digital input data bit D11; logic input with VIL max 0.8 V and VIH min 2.4 V at VDD = +5 V (0.6 V / 2.1 V at VDD = +2.7 V)."
},
{
"number": "15",
"name": "D10",
"type": "input",
"description": "Digital input data bit D10; logic input with VIL max 0.8 V and VIH min 2.4 V at VDD = +5 V (0.6 V / 2.1 V at VDD = +2.7 V)."
},
{
"number": "16",
"name": "D9",
"type": "input",
"description": "Digital input data bit D9; logic input with VIL max 0.8 V and VIH min 2.4 V at VDD = +5 V (0.6 V / 2.1 V at VDD = +2.7 V)."
},
{
"number": "17",
"name": "D8",
"type": "input",
"description": "Digital input data bit D8; logic input with VIL max 0.8 V and VIH min 2.4 V at VDD = +5 V (0.6 V / 2.1 V at VDD = +2.7 V)."
},
{
"number": "18",
"name": "D7",
"type": "input",
"description": "Digital input data bit D7; logic input with VIL max 0.8 V and VIH min 2.4 V at VDD = +5 V (0.6 V / 2.1 V at VDD = +2.7 V)."
},
{
"number": "19",
"name": "D6",
"type": "input",
"description": "Digital input data bit D6; logic input with VIL max 0.8 V and VIH min 2.4 V at VDD = +5 V (0.6 V / 2.1 V at VDD = +2.7 V)."
},
{
"number": "20",
"name": "D5",
"type": "input",
"description": "Digital input data bit D5; logic input with VIL max 0.8 V and VIH min 2.4 V at VDD = +5 V (0.6 V / 2.1 V at VDD = +2.7 V)."
},
{
"number": "21",
"name": "D4",
"type": "input",
"description": "Digital input data bit D4; logic input with VIL max 0.8 V and VIH min 2.4 V at VDD = +5 V (0.6 V / 2.1 V at VDD = +2.7 V)."
},
{
"number": "22",
"name": "DGND",
"type": "power_in",
"description": "Digital ground reference for the logic inputs."
},
{
"number": "23",
"name": "VDD",
"type": "power_in",
"description": "Positive power supply, specified from 2.7 V to 5.5 V."
},
{
"number": "24",
"name": "D3",
"type": "input",
"description": "Digital input data bit D3; logic input with VIL max 0.8 V and VIH min 2.4 V at VDD = +5 V (0.6 V / 2.1 V at VDD = +2.7 V)."
},
{
"number": "25",
"name": "D2",
"type": "input",
"description": "Digital input data bit D2; logic input with VIL max 0.8 V and VIH min 2.4 V at VDD = +5 V (0.6 V / 2.1 V at VDD = +2.7 V)."
},
{
"number": "26",
"name": "D1",
"type": "input",
"description": "Digital input data bit D1; logic input with VIL max 0.8 V and VIH min 2.4 V at VDD = +5 V (0.6 V / 2.1 V at VDD = +2.7 V)."
},
{
"number": "27",
"name": "D0",
"type": "input",
"description": "Digital input data bit D0, the LSB; logic input with VIL max 0.8 V and VIH min 2.4 V at VDD = +5 V (0.6 V / 2.1 V at VDD = +2.7 V)."
},
{
"number": "28",
"name": "RST",
"type": "input",
"description": "Active-low reset; when taken low, the DAC register is set to zero code and the DAC output goes to 0 V, while the input register contents are not reset."
}
],
"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 datasheet's terminal table does not assign an ERC electrical type to the resistor and reference ; IOUT is typed as output by engineering judgment from the datasheet's description of a DAC current ou; AGND and DGND are typed power_in per the instruction that GND-type pins are power_in; the datasheet "
],
"pages_sent": 26,
"cost_usd": 0.109,
"at": "2026-10-10T21:29:44"
},
"datasheet": {
"url": "https://www.ti.com/cn/lit/gpn/dac8820",
"pages": 26,
"sha256": "79b7ff3a642a94eb",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 28,
"described": 28,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
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"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
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10.2,
2.1
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "7aa76979ae41da44bded1ed74115012868f2f3f5a757faf32bb9df4f92c1e313",
"checked": "2026-10-10",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "dac8820ibdbr-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
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"zmin_mm": 0,
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"footprint_binding": "identity",
"sha256": "fbf5c8a6f2dee54cc46229b38e55a7c10583a8f442526fb59d6afcf319a9d4a6",
"checked": "2026-10-10",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "Texas Instruments",
"Package": "SSOP-28",
"Category": "Data Acquisition",
"Pins": "28"
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"dac8820ibdbr"
],
"discovery_pitch": "DAC8820IBDBR (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
"author": {
"name": "Ray",
"email": "[email protected]"
},
"dependencies": {},
"hero": {
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"path": "docs/hero.png"
},
"files": [
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