component
TC514COI
Public Made by Adomby adom
Microchip Tech Analog To Digital Converters (ADCs), SOIC-28-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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"component": {
"mpn": "TC514COI",
"manufacturer": "Microchip Tech",
"package": "SOIC-28-300mil",
"pin_count": 28,
"category": "ADC/DAC/Data Conversion",
"subcategory": "Analog To Digital Converters (ADCs)",
"datasheet": "https://datasheet.lcsc.com/datasheet/pdf/b3eceaf8085cfc5ee78f698ff7e643f5.pdf",
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"distributor_links": {
"lcsc": "C646714",
"digikey": "TC514COI-ND",
"mouser": "579-TC514COI"
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"pins": [
{
"number": "1",
"name": "VOUT-",
"type": "power_out",
"description": "Negative power supply converter output and reservoir capacitor connection, which can power other devices needing a negative bias voltage."
},
{
"number": "2",
"name": "CINT",
"type": "passive",
"description": "Integrator output and integrator capacitor connection."
},
{
"number": "3",
"name": "CAZ",
"type": "passive",
"description": "Auto-zero input and connection for the auto-zero capacitor."
},
{
"number": "4",
"name": "BUF",
"type": "output",
"description": "Buffer output; the table also labels this pin as the integrator capacitor connection."
},
{
"number": "5",
"name": "ACOM",
"type": "passive",
"description": "Analog common, grounded in most applications; ACOM and the input common (VIN- or CHn-) should be within the analog common mode range (CMR)."
},
{
"number": "6",
"name": "CREF-",
"type": "passive",
"description": "Negative reference capacitor connection."
},
{
"number": "7",
"name": "CREF+",
"type": "passive",
"description": "Positive reference capacitor connection."
},
{
"number": "8",
"name": "VREF-",
"type": "power_in",
"description": "External voltage reference negative connection."
},
{
"number": "9",
"name": "VREF+",
"type": "power_in",
"description": "External voltage reference positive connection."
},
{
"number": "10",
"name": "CH4-",
"type": "input",
"description": "Negative analog input for MUX channel 4."
},
{
"number": "11",
"name": "CH3-",
"type": "input",
"description": "Negative analog input for MUX channel 3."
},
{
"number": "12",
"name": "CH2-",
"type": "input",
"description": "Negative analog input for MUX channel 2."
},
{
"number": "13",
"name": "CH1-",
"type": "input",
"description": "Negative analog input for MUX channel 1."
},
{
"number": "14",
"name": "NC",
"type": "unconnected",
"description": "No TC514 function is assigned to this pin in the pin function table; the excerpt gives no assignment for it."
},
{
"number": "15",
"name": "CH4+",
"type": "input",
"description": "Positive analog input for MUX channel 4."
},
{
"number": "16",
"name": "CH3+",
"type": "input",
"description": "Positive analog input for MUX channel 3."
},
{
"number": "17",
"name": "CH2+",
"type": "input",
"description": "Positive analog input for MUX channel 2."
},
{
"number": "18",
"name": "CH1+",
"type": "input",
"description": "Positive analog input for MUX channel 1."
},
{
"number": "19",
"name": "A1",
"type": "input",
"description": "Multiplexer channel select MSB; with A0 selects channel 1 (00) through channel 4 (11)."
},
{
"number": "20",
"name": "A0",
"type": "input",
"description": "Multiplexer channel select LSB; with A1 selects channel 1 (00) through channel 4 (11)."
},
{
"number": "21",
"name": "B",
"type": "input",
"description": "Converter phase control LSB; with A selects integrator zero (00), auto-zero (01), integrate (10) or de-integrate (11)."
},
{
"number": "22",
"name": "A",
"type": "input",
"description": "Converter phase control MSB; works with B to set the four conversion phases."
},
{
"number": "23",
"name": "CMPTR",
"type": "output",
"description": "Zero-crossing comparator output, high when integrating a positive input and low for a negative input; a high-to-low transition marks the end of de-integrate."
},
{
"number": "24",
"name": "OSC",
"type": "input",
"description": "Oscillator control input; the negative supply converter normally runs at 100 kHz and can be slowed by an external capacitor to VDD."
},
{
"number": "25",
"name": "VDD",
"type": "power_in",
"description": "Positive power supply connection."
},
{
"number": "26",
"name": "CAP+",
"type": "passive",
"description": "Negative power supply converter capacitor (+) connection."
},
{
"number": "27",
"name": "DGND",
"type": "power_in",
"description": "Digital ground."
},
{
"number": "28",
"name": "CAP-",
"type": "passive",
"description": "Negative power supply converter capacitor (-) connection."
}
],
"provenance": {
"extractor": "extract_pins 0.3",
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"primary_model": "claude-haiku-5-5",
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"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [
"extractor flagged: Pin 14 does not appear in the TC514 column of Table 3-1 (pin 14 is CMPTR only for TC500/TC500A). It ; Pin types for capacitor connection pins (CINT, CAZ, CREF+/-, CAP+/-, ACOM) are typed as passive beca; Pin 4 BUF is described in the table as both 'Buffer output' and 'The Integrator capacitor connection"
],
"pages_sent": 9,
"cost_usd": 0.0532,
"at": "2026-10-31T03:36:55"
},
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"pages": 38,
"sha256": "df3d39c7c2197548",
"source_tier": "mfr"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
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"described": 28,
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