component
ADS8331IBPWR
Public Made by Adomby adom
Texas Instruments Analog To Digital Converters (ADC), TSSOP-24. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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"title": "ADS8331IBPWR",
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"package": "TSSOP-24",
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"category": "Data Acquisition",
"subcategory": "Analog To Digital Converters (ADC)",
"datasheet": "https://www.ti.com/cn/lit/gpn/ads8331",
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"digikey": "ADS8331IBPWR-ND",
"mouser": "595-ADS8331IBPWR"
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"pins": [
{
"number": "1",
"name": "IN1",
"type": "input",
"description": "Mux input channel 1; absolute maximum -0.3 V to VA + 0.3 V relative to AGND."
},
{
"number": "2",
"name": "IN2",
"type": "input",
"description": "Mux input channel 2; absolute maximum -0.3 V to VA + 0.3 V relative to AGND."
},
{
"number": "3",
"name": "IN3",
"type": "input",
"description": "Mux input channel 3; absolute maximum -0.3 V to VA + 0.3 V relative to AGND."
},
{
"number": "4",
"name": "NC",
"type": "unconnected",
"description": "No internal connection (ADS8331 only)."
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{
"number": "5",
"name": "NC",
"type": "unconnected",
"description": "No internal connection (ADS8331 only)."
},
{
"number": "6",
"name": "NC",
"type": "unconnected",
"description": "No internal connection (ADS8331 only)."
},
{
"number": "7",
"name": "NC",
"type": "unconnected",
"description": "No internal connection (ADS8331 only)."
},
{
"number": "8",
"name": "RESET",
"type": "input",
"description": "External reset, active low."
},
{
"number": "9",
"name": "EOC/INT/CDI",
"type": "bidirectional",
"description": "Programmable status output (EOC low during conversion by default, or INT low after end of conversion and high after FS/CS goes low, with programmable polarity), also usable as chain data input (CDI) in daisy-chain mode."
},
{
"number": "10",
"name": "SCLK",
"type": "input",
"description": "SPI clock for the serial interface, up to 40 MHz at VA = VBD = 5 V."
},
{
"number": "11",
"name": "FS/CS",
"type": "input",
"description": "Frame sync signal for a DSP (such as TMS320 DSP) or chip select input for SPI."
},
{
"number": "12",
"name": "SDI",
"type": "input",
"description": "SPI serial data input."
},
{
"number": "13",
"name": "SDO",
"type": "output",
"description": "SPI serial data output."
},
{
"number": "14",
"name": "DGND",
"type": "power_in",
"description": "Digital interface ground."
},
{
"number": "15",
"name": "CONVST",
"type": "input",
"description": "Conversion start input that freezes the sample and hold and starts conversion."
},
{
"number": "16",
"name": "VBD",
"type": "power_in",
"description": "Digital interface supply, 1.65 V to VA + 0.2 V recommended."
},
{
"number": "17",
"name": "VA",
"type": "power_in",
"description": "Analog supply, 2.7 V to 5.5 V."
},
{
"number": "18",
"name": "REF+",
"type": "input",
"description": "External reference input; absolute maximum -0.3 V to VA + 0.3 V relative to AGND."
},
{
"number": "19",
"name": "REF-",
"type": "power_in",
"description": "External reference ground, to be connected to AGND through an individual via on the printed-circuit board."
},
{
"number": "20",
"name": "AGND",
"type": "power_in",
"description": "Analog ground."
},
{
"number": "21",
"name": "ADCIN",
"type": "input",
"description": "ADC input; absolute maximum -0.3 V to VA + 0.3 V relative to AGND."
},
{
"number": "22",
"name": "MUXOUT",
"type": "output",
"description": "Mux output."
},
{
"number": "23",
"name": "COM",
"type": "input",
"description": "Common ADC input, usually connected to AGND."
},
{
"number": "24",
"name": "IN0",
"type": "input",
"description": "Mux input channel 0; absolute maximum -0.3 V to VA + 0.3 V relative to AGND."
}
],
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"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: Pin descriptions for IN0-IN3 (pins 1-3, 24) derived from document context showing IN[0:3] at these p"
],
"pages_sent": 11,
"cost_usd": 0.2056,
"at": "2026-10-07T09:09:24"
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"url": "https://www.ti.com/cn/lit/gpn/ads8331",
"pages": 62,
"sha256": "6d4028ed191231f0",
"source_tier": "lcsc"
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"cad": "KiCad official (CC-BY-SA 4.0)",
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"described": 24,
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"metadata": {
"specs": {
"Manufacturer": "Texas Instruments",
"Package": "TSSOP-24",
"Category": "Data Acquisition",
"Pins": "24"
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