component
AD7998BRUZ-1REEL
Public Made by Adomby adom
Analog Devices Analog To Digital Converters (ADCs), TSSOP-20. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
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"type": "component",
"description": "Analog Devices Analog To Digital Converters (ADCs), TSSOP-20. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"tags": [
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"data converters",
"ad7998bruz-1reel",
"factory-2.0.0",
"extractor-text"
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"component": {
"mpn": "AD7998BRUZ-1REEL",
"manufacturer": "Analog Devices",
"package": "TSSOP-20",
"pin_count": 20,
"category": "Data Converters",
"subcategory": "Analog To Digital Converters (ADCs)",
"datasheet": "https://www.analog.com/media/en/technical-documentation/data-sheets/AD7997_7998.pdf",
"parts": {
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"lbr": "ad7998bruz-1reel.lbr"
},
"distributor_links": {
"lcsc": "C652136",
"digikey": "AD7998BRUZ-1REELTR-ND",
"mouser": "584-AD7998BRUZ-1R"
},
"distributor_check": {
"checked_at": "2026-10-31T09:27:32Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "AD7998BRUZ-1REELTR-ND",
"status": "found"
},
"mouser": {
"pn": "584-AD7998BRUZ-1R",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "AGND",
"type": "power_in",
"description": "Analog ground reference for all circuitry; all analog input signals should be referred to this AGND voltage."
},
{
"number": "2",
"name": "VDD",
"type": "power_in",
"description": "Power supply input, range 2.7 V to 5.5 V."
},
{
"number": "3",
"name": "AGND",
"type": "power_in",
"description": "Analog ground reference for all circuitry; all analog input signals should be referred to this AGND voltage."
},
{
"number": "4",
"name": "AGND",
"type": "power_in",
"description": "Analog ground reference for all circuitry; all analog input signals should be referred to this AGND voltage."
},
{
"number": "5",
"name": "VDD",
"type": "power_in",
"description": "Power supply input, range 2.7 V to 5.5 V."
},
{
"number": "6",
"name": "REFIN",
"type": "input",
"description": "External voltage reference input with a range of 1.2 V to VDD, with 0.1 µF and 1 µF capacitors placed between REFIN and AGND."
},
{
"number": "7",
"name": "VIN1",
"type": "input",
"description": "Analog input 1, single-ended channel with input range 0 V to REFIN."
},
{
"number": "8",
"name": "VIN3",
"type": "input",
"description": "Analog input 3, single-ended channel with input range 0 V to REFIN."
},
{
"number": "9",
"name": "VIN5",
"type": "input",
"description": "Analog input 5, single-ended channel with input range 0 V to REFIN."
},
{
"number": "10",
"name": "VIN7",
"type": "input",
"description": "Analog input 7, single-ended channel with input range 0 V to REFIN."
},
{
"number": "11",
"name": "VIN8",
"type": "input",
"description": "Analog input 8, single-ended channel with input range 0 V to REFIN."
},
{
"number": "12",
"name": "VIN6",
"type": "input",
"description": "Analog input 6, single-ended channel with input range 0 V to REFIN."
},
{
"number": "13",
"name": "VIN4",
"type": "input",
"description": "Analog input 4, single-ended channel with input range 0 V to REFIN."
},
{
"number": "14",
"name": "VIN2",
"type": "input",
"description": "Analog input 2, single-ended channel with input range 0 V to REFIN."
},
{
"number": "15",
"name": "AS",
"type": "input",
"description": "Address select logic input that selects one of three I2C addresses depending on the voltage applied (AGND, VDD or floating)."
},
{
"number": "16",
"name": "CONVST",
"type": "input",
"description": "Edge-triggered convert start input; rising edge powers up the part (1 µs power-up time) and falling edge places track/hold into hold and initiates a conversion."
},
{
"number": "17",
"name": "ALERT/BUSY",
"type": "output",
"description": "Open-drain digital output selectable as out-of-range ALERT or BUSY (conversion in progress) indicator."
},
{
"number": "18",
"name": "SDA",
"type": "bidirectional",
"description": "Serial bus bidirectional data, open-drain output, external pull-up resistor required."
},
{
"number": "19",
"name": "SCL",
"type": "input",
"description": "Serial bus clock, open-drain input, external pull-up resistor required."
},
{
"number": "20",
"name": "AGND",
"type": "power_in",
"description": "Analog ground reference for all circuitry; all analog input signals should be referred to this AGND voltage."
}
],
"provenance": {
"extractor": "extract_pins 0.3",
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"extractor": "extract_pins 0.3",
"primary_model": "claude-sonnet-5-5",
"primary_mode": "text",
"consensus_model": "claude-sonnet-5-5",
"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [
"extractor flagged: The pin configuration figure text is garbled in extraction, so pin assignments come from the Table 5"
],
"pages_sent": 10,
"cost_usd": 0.1554,
"at": "2026-10-31T09:27:14"
},
"datasheet": {
"url": "https://www.analog.com/media/en/technical-documentation/data-sheets/AD7997_7998.pdf",
"pages": 32,
"sha256": "081ef00889049a99",
"source_tier": "mfr"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 20,
"described": 20,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
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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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6.5,
1.2
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"checked": "2026-10-31",
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"package_dims": {
"package_code": "RU-20",
"source_page": 31,
"D": {
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6.6
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"E1": {
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4.3,
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"E": {
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null,
null
]
},
"e": {
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null,
null
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},
"A": {
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null,
1.2
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},
"source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
"model_check": {
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}