component
ADS7251IRTER
Public Made by Adomby adom
Texas Instruments Analog To Digital Converters (ADC), WQFN-16-EP(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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"title": "ADS7251IRTER",
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"manufacturer": "Texas Instruments",
"package": "WQFN-16-EP(3x3)",
"pin_count": 17,
"category": "Data Acquisition",
"subcategory": "Analog To Digital Converters (ADC)",
"datasheet": "https://www.ti.com/cn/lit/gpn/ads7251",
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"distributor_links": {
"lcsc": "C2669966",
"digikey": "296-39858-2-ND",
"mouser": "595-ADS7251IRTER"
},
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"checked_at": "2026-10-08T22:57:07Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "296-39858-2-ND",
"status": "found",
"lifecycle": "Active"
},
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"pn": "595-ADS7251IRTER",
"status": "found"
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},
"pins": [
{
"number": "1",
"name": "REFOUT-A",
"type": "output",
"description": "Reference voltage output REF_A from the internal reference of ADC channel A."
},
{
"number": "2",
"name": "REFGND-A",
"type": "power_in",
"description": "Reference ground potential for channel A, which must stay within 0.3 V of GND (|REFGND_x − GND| ≤ 0.3 V)."
},
{
"number": "3",
"name": "REFGND-B",
"type": "power_in",
"description": "Reference ground potential for channel B, which must stay within 0.3 V of GND (|REFGND_x − GND| ≤ 0.3 V)."
},
{
"number": "4",
"name": "REFOUT-B",
"type": "output",
"description": "Reference voltage output REF_B from the internal reference of ADC channel B."
},
{
"number": "5",
"name": "AINM-B",
"type": "passive",
"description": "Negative analog input for channel B; AINM_x to REFGND_x must remain between REFGND_x − 0.3 V and AVDD + 0.3 V."
},
{
"number": "6",
"name": "AINP-B",
"type": "passive",
"description": "Positive analog input for channel B; AINP_x to REFGND_x must remain between REFGND_x − 0.3 V and AVDD + 0.3 V."
},
{
"number": "7",
"name": "DVDD",
"type": "power_in",
"description": "Digital I/O supply, 3.3 V recommended operating voltage; absolute maximum DVDD to GND is −0.3 V to +7 V."
},
{
"number": "8",
"name": "GND",
"type": "power_in",
"description": "Digital ground for the device."
},
{
"number": "9",
"name": "CS",
"type": "input",
"description": "Active-low chip-select digital input; CS to GND must remain between GND − 0.3 V and DVDD + 0.3 V."
},
{
"number": "10",
"name": "SCLK",
"type": "input",
"description": "Serial communication clock digital input; SCLK to GND must remain between GND − 0.3 V and DVDD + 0.3 V."
},
{
"number": "11",
"name": "SDO-A",
"type": "output",
"description": "Serial data output for channel A."
},
{
"number": "12",
"name": "SDO-B",
"type": "output",
"description": "Serial data output for channel B."
},
{
"number": "13",
"name": "GND",
"type": "power_in",
"description": "Digital ground for the device."
},
{
"number": "14",
"name": "AVDD",
"type": "power_in",
"description": "ADC analog supply, 5 V recommended operating voltage; absolute maximum AVDD to GND is −0.3 V to +7 V."
},
{
"number": "15",
"name": "AINP-A",
"type": "passive",
"description": "Positive analog input for channel A; AINP_x to REFGND_x must remain between REFGND_x − 0.3 V and AVDD + 0.3 V."
},
{
"number": "16",
"name": "AINM-A",
"type": "passive",
"description": "Negative analog input for channel A; AINM_x to REFGND_x must remain between REFGND_x − 0.3 V and AVDD + 0.3 V."
},
{
"number": "17",
"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-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 lists the exposed thermal pad without a printed number. It is shown as EP here, not as; The datasheet does not give an analog type in KiCad classes. Reference outputs are mapped to output ; The datasheet does not state whether SDO-A and SDO-B are tri-state when CS is high, so they are type",
"exposed pad 17 added from the footprint",
"dropped thermal pad ['EP'] absent from footprint"
],
"pages_sent": 7,
"cost_usd": 0.0535,
"at": "2026-10-08T22:56:10"
},
"datasheet": {
"url": "https://www.ti.com/cn/lit/gpn/ads7251",
"pages": 38,
"sha256": "6608c6172c7a3e3f",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 17,
"described": 17,
"cites_pages": true,
"refuses_to_fabricate": true
}
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"checked": "2026-10-08",
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"sha256": "2707918af3e3eea44ea1cb926b6ed29abb692a134207e984f02514151b4cfd62",
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}
]
},
"metadata": {
"specs": {
"Manufacturer": "Texas Instruments",
"Package": "WQFN-16-EP(3x3)",
"Category": "Data Acquisition",
"Pins": "17"
}
},
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"discovery_pitch": "ADS7251IRTER (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
"author": {
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"email": "[email protected]"
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