component
ADS802U
Public Made by Adomby adom
Texas Instruments Analog To Digital Converters (ADC), SOIC-28-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
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"type": "component",
"slug": "ads802u",
"title": "ADS802U",
"brief": "Texas Instruments Analog To Digital Converters (ADC), SOIC-28-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"version": "0.1.0",
"license": "CC-BY-SA-4.0",
"tags": [
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"data acquisition",
"ads802u",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "ADS802U",
"manufacturer": "Texas Instruments",
"package": "SOIC-28-300mil",
"pin_count": 28,
"category": "Data Acquisition",
"subcategory": "Analog To Digital Converters (ADC)",
"datasheet": "https://www.ti.com/cn/lit/gpn/ads802",
"parts": {
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"footprint": "ads802u.kicad_mod",
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"model_3d_step": "ads802u-etched.step",
"model_3d_step_plain": "ads802u.step",
"lbr": "ads802u.lbr"
},
"distributor_links": {
"lcsc": "C1543166",
"digikey": "ADS802U-ND",
"mouser": "595-ADS802U"
},
"distributor_check": {
"checked_at": "2026-10-08T20:42:15Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "ADS802U-ND",
"status": "found",
"lifecycle": "Active"
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"pn": "595-ADS802U",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "GND",
"type": "power_in",
"description": "Ground pin; the analog and digital ground pins should be connected directly to the analog ground plane."
},
{
"number": "2",
"name": "B1",
"type": "tri_state",
"description": "Bit 1, the most significant bit (MSB) of the 12-bit output data, CMOS logic output with logic LOW 0 to 0.4 V and logic HIGH 2.0 V to +VS, placed in high impedance when OE is HIGH."
},
{
"number": "3",
"name": "B2",
"type": "tri_state",
"description": "Bit 2 of the 12-bit output data, CMOS logic output with logic LOW 0 to 0.4 V and logic HIGH 2.0 V to +VS, placed in high impedance when OE is HIGH."
},
{
"number": "4",
"name": "B3",
"type": "tri_state",
"description": "Bit 3 of the 12-bit output data, CMOS logic output with logic LOW 0 to 0.4 V and logic HIGH 2.0 V to +VS, placed in high impedance when OE is HIGH."
},
{
"number": "5",
"name": "B4",
"type": "tri_state",
"description": "Bit 4 of the 12-bit output data, CMOS logic output with logic LOW 0 to 0.4 V and logic HIGH 2.0 V to +VS, placed in high impedance when OE is HIGH."
},
{
"number": "6",
"name": "B5",
"type": "tri_state",
"description": "Bit 5 of the 12-bit output data, CMOS logic output with logic LOW 0 to 0.4 V and logic HIGH 2.0 V to +VS, placed in high impedance when OE is HIGH."
},
{
"number": "7",
"name": "B6",
"type": "tri_state",
"description": "Bit 6 of the 12-bit output data, CMOS logic output with logic LOW 0 to 0.4 V and logic HIGH 2.0 V to +VS, placed in high impedance when OE is HIGH."
},
{
"number": "8",
"name": "B7",
"type": "tri_state",
"description": "Bit 7 of the 12-bit output data, CMOS logic output with logic LOW 0 to 0.4 V and logic HIGH 2.0 V to +VS, placed in high impedance when OE is HIGH."
},
{
"number": "9",
"name": "B8",
"type": "tri_state",
"description": "Bit 8 of the 12-bit output data, CMOS logic output with logic LOW 0 to 0.4 V and logic HIGH 2.0 V to +VS, placed in high impedance when OE is HIGH."
},
{
"number": "10",
"name": "B9",
"type": "tri_state",
"description": "Bit 9 of the 12-bit output data, CMOS logic output with logic LOW 0 to 0.4 V and logic HIGH 2.0 V to +VS, placed in high impedance when OE is HIGH."
},
{
"number": "11",
"name": "B10",
"type": "tri_state",
"description": "Bit 10 of the 12-bit output data, CMOS logic output with logic LOW 0 to 0.4 V and logic HIGH 2.0 V to +VS, placed in high impedance when OE is HIGH."
},
{
"number": "12",
"name": "B11",
"type": "tri_state",
"description": "Bit 11 of the 12-bit output data, CMOS logic output with logic LOW 0 to 0.4 V and logic HIGH 2.0 V to +VS, placed in high impedance when OE is HIGH."
},
{
"number": "13",
"name": "B12",
"type": "tri_state",
"description": "Bit 12, the least significant bit (LSB) of the 12-bit output data, CMOS logic output with logic LOW 0 to 0.4 V and logic HIGH 2.0 V to +VS, placed in high impedance when OE is HIGH."
},
{
"number": "14",
"name": "GND",
"type": "power_in",
"description": "Ground pin; the analog and digital ground pins should be connected directly to the analog ground plane."
},
{
"number": "15",
"name": "+VS",
"type": "power_in",
"description": "+5V power supply; operating range +4.75 V to +5.25 V (typical +5.0 V), with power supplies bypassed by 0.1 µF ceramic capacitors as close to the pin as possible."
},
{
"number": "16",
"name": "CLK",
"type": "input",
"description": "Convert clock input accepting a CMOS-level clock; duty cycle should be held at 50% with rise and fall times of 2 ns or less."
},
{
"number": "17",
"name": "+VS",
"type": "power_in",
"description": "+5V power supply; operating range +4.75 V to +5.25 V (typical +5.0 V), with power supplies bypassed by 0.1 µF ceramic capacitors as close to the pin as possible."
},
{
"number": "18",
"name": "OE",
"type": "input",
"description": "Output enable: HIGH puts the digital outputs into a high-impedance state (intended for testability, not for driving buses directly); LOW or floating gives normal operation through an internal pull-down resistor."
},
{
"number": "19",
"name": "MSBI",
"type": "input",
"description": "Most significant bit inversion: HIGH inverts the MSB for Binary Two's Complement output; LOW or floating gives Straight Offset Binary output through an internal pull-down resistor."
},
{
"number": "20",
"name": "+VS",
"type": "power_in",
"description": "+5V power supply; operating range +4.75 V to +5.25 V (typical +5.0 V), with power supplies bypassed by 0.1 µF ceramic capacitors as close to the pin as possible."
},
{
"number": "21",
"name": "REFB",
"type": "passive",
"description": "Bottom reference bypass for the internal +1.25 V reference; an externally applied bottom reference must be no less than +1.1 V."
},
{
"number": "22",
"name": "CM",
"type": "passive",
"description": "Common-mode voltage, derived as (REFT + REFB)/2 (+2.25 V nominal); keep the current drawn from this pin below 0.5 µA to avoid nonlinearity in the internal reference ladder."
},
{
"number": "23",
"name": "REFT",
"type": "passive",
"description": "Top reference bypass for the internal +3.25 V reference; an externally applied top reference must be no more than +3.4 V."
},
{
"number": "24",
"name": "+VS",
"type": "power_in",
"description": "+5V power supply; operating range +4.75 V to +5.25 V (typical +5.0 V), with power supplies bypassed by 0.1 µF ceramic capacitors as close to the pin as possible."
},
{
"number": "25",
"name": "GND",
"type": "power_in",
"description": "Ground pin; the analog and digital ground pins should be connected directly to the analog ground plane."
},
{
"number": "26",
"name": "IN",
"type": "input",
"description": "Non-inverted analog input; each differential input spans +1.25 V to +3.25 V, centered on the +2.25 V common-mode voltage, and should be bypassed with 22 pF capacitors to minimize track-and-hold glitches."
},
{
"number": "27",
"name": "IN",
"type": "input",
"description": "Complementary analog input (180° out of phase with IN); each differential input spans +1.25 V to +3.25 V, centered on the +2.25 V common-mode voltage, and should be bypassed with 22 pF capacitors to minimize track-and-hold glitches."
},
{
"number": "28",
"name": "GND",
"type": "power_in",
"description": "Ground pin; the analog and digital ground pins should be connected directly to the analog ground plane."
}
],
"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 gives the package as SO-28 with designator DW (28 leads, 20 per tube) but never states; Data output pins are typed tri_state because the datasheet describes three-state outputs controlled ; Reference pins REFB, CM and REFT are typed passive; the datasheet describes them as bypass/reference"
],
"pages_sent": 19,
"cost_usd": 0.1068,
"at": "2026-10-08T20:41:47"
},
"datasheet": {
"url": "https://www.ti.com/cn/lit/gpn/ads802",
"pages": 19,
"sha256": "cf2e9fff9145f16b",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
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"described": 28,
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"refuses_to_fabricate": true
}
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},
"metadata": {
"specs": {
"Manufacturer": "Texas Instruments",
"Package": "SOIC-28-300mil",
"Category": "Data Acquisition",
"Pins": "28"
}
},
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"discovery_pitch": "ADS802U (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
"author": {
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"email": "[email protected]"
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