component
ADS7864YB
Public Made by Adomby adom
Texas Instruments Analog To Digital Converters (ADC), TQFP-48(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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"component": {
"mpn": "ADS7864YB",
"manufacturer": "Texas Instruments",
"package": "TQFP-48(7x7)",
"pin_count": 48,
"category": "Data Acquisition",
"subcategory": "Analog To Digital Converters (ADC)",
"datasheet": "https://www.ti.com/cn/lit/gpn/ads7864",
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"source": "Component Ocean /api/assign-pns",
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"pins": [
{
"number": "1",
"name": "+VA",
"type": "power_in",
"description": "Analog power supply, normally +5V (supply range 4.75 V to 5.25 V)."
},
{
"number": "2",
"name": "AGND",
"type": "power_in",
"description": "Analog ground; should be connected to a clean analog ground point."
},
{
"number": "3",
"name": "DB15",
"type": "output",
"description": "Data valid output: '1' indicates valid data and '0' indicates invalid data."
},
{
"number": "4",
"name": "DB14",
"type": "output",
"description": "Channel address output pin (see Table 2)."
},
{
"number": "5",
"name": "DB13",
"type": "output",
"description": "Channel address output pin (see Table 2)."
},
{
"number": "6",
"name": "DB12",
"type": "output",
"description": "Channel address output pin (see Table 2)."
},
{
"number": "7",
"name": "DB11",
"type": "output",
"description": "Data bit 11, the MSB of the conversion result."
},
{
"number": "8",
"name": "DB10",
"type": "output",
"description": "Data bit 10 of the conversion result."
},
{
"number": "9",
"name": "DB9",
"type": "output",
"description": "Data bit 9 of the conversion result."
},
{
"number": "10",
"name": "DB8",
"type": "output",
"description": "Data bit 8 of the conversion result."
},
{
"number": "11",
"name": "DB7",
"type": "output",
"description": "Data bit 7 of the conversion result."
},
{
"number": "12",
"name": "DB6",
"type": "output",
"description": "Data bit 6 of the conversion result."
},
{
"number": "13",
"name": "DB5",
"type": "output",
"description": "Data bit 5 of the conversion result."
},
{
"number": "14",
"name": "DB4",
"type": "output",
"description": "Data bit 4 of the conversion result."
},
{
"number": "15",
"name": "DB3",
"type": "output",
"description": "Data bit 3 of the conversion result."
},
{
"number": "16",
"name": "DB2",
"type": "output",
"description": "Data bit 2 of the conversion result."
},
{
"number": "17",
"name": "DB1",
"type": "output",
"description": "Data bit 1 of the conversion result."
},
{
"number": "18",
"name": "DB0",
"type": "output",
"description": "Data bit 0, the LSB of the conversion result."
},
{
"number": "19",
"name": "BUSY",
"type": "output",
"description": "Goes low when a conversion is in progress."
},
{
"number": "20",
"name": "DGND",
"type": "power_in",
"description": "Digital ground."
},
{
"number": "21",
"name": "+VD",
"type": "power_in",
"description": "Digital power supply, +5 VDC (supply range 4.75 V to 5.25 V)."
},
{
"number": "22",
"name": "CLOCK",
"type": "input",
"description": "An external clock must be applied to this input; the external clock range is 0.2 MHz to 8 MHz."
},
{
"number": "23",
"name": "RD",
"type": "input",
"description": "Enables the parallel output when used in conjunction with chip select."
},
{
"number": "24",
"name": "CS",
"type": "input",
"description": "Chip select input."
},
{
"number": "25",
"name": "HOLDC",
"type": "input",
"description": "Places channels C0 and C1 in hold mode."
},
{
"number": "26",
"name": "HOLDB",
"type": "input",
"description": "Places channels B0 and B1 in hold mode."
},
{
"number": "27",
"name": "HOLDA",
"type": "input",
"description": "Places channels A0 and A1 in hold mode."
},
{
"number": "28",
"name": "BYTE",
"type": "input",
"description": "2 × 8 output capability; active high."
},
{
"number": "29",
"name": "A2",
"type": "input",
"description": "Address/mode select pin (see Table 3)."
},
{
"number": "30",
"name": "A1",
"type": "input",
"description": "Address/mode select pin (see Table 3)."
},
{
"number": "31",
"name": "A0",
"type": "input",
"description": "Address/mode select pin (see Table 3)."
},
{
"number": "32",
"name": "RESET",
"type": "input",
"description": "Reset pin."
},
{
"number": "33",
"name": "REFOUT",
"type": "output",
"description": "Internal reference output; when using the internal reference, a bypass capacitor must not be used and this pin is tied directly to pin 34."
},
{
"number": "34",
"name": "REFIN",
"type": "input",
"description": "Reference input; external reference voltage range is 1.2 V to 2.6 V (2.5 V nominal internal reference)."
},
{
"number": "35",
"name": "AGND",
"type": "power_in",
"description": "Analog ground; should be connected to a clean analog ground point."
},
{
"number": "36",
"name": "+VA",
"type": "power_in",
"description": "Analog power supply, normally +5V (supply range 4.75 V to 5.25 V)."
},
{
"number": "37",
"name": "CH A1+",
"type": "input",
"description": "Noninverting input, channel A1; analog inputs are limited to -0.3 V to (+VA + 0.3) V."
},
{
"number": "38",
"name": "CH A1-",
"type": "input",
"description": "Inverting input, channel A1; analog inputs are limited to -0.3 V to (+VA + 0.3) V."
},
{
"number": "39",
"name": "CH B1+",
"type": "input",
"description": "Noninverting input, channel B1; analog inputs are limited to -0.3 V to (+VA + 0.3) V."
},
{
"number": "40",
"name": "CH B1-",
"type": "input",
"description": "Inverting input, channel B1; analog inputs are limited to -0.3 V to (+VA + 0.3) V."
},
{
"number": "41",
"name": "CH C1+",
"type": "input",
"description": "Noninverting input, channel C1; analog inputs are limited to -0.3 V to (+VA + 0.3) V."
},
{
"number": "42",
"name": "CH C1-",
"type": "input",
"description": "Inverting input, channel C1; analog inputs are limited to -0.3 V to (+VA + 0.3) V."
},
{
"number": "43",
"name": "CH C0-",
"type": "input",
"description": "Inverting input, channel C0; analog inputs are limited to -0.3 V to (+VA + 0.3) V."
},
{
"number": "44",
"name": "CH C0+",
"type": "input",
"description": "Noninverting input, channel C0; analog inputs are limited to -0.3 V to (+VA + 0.3) V."
},
{
"number": "45",
"name": "CH B0-",
"type": "input",
"description": "Inverting input, channel B0; analog inputs are limited to -0.3 V to (+VA + 0.3) V."
},
{
"number": "46",
"name": "CH B0+",
"type": "input",
"description": "Noninverting input, channel B0; analog inputs are limited to -0.3 V to (+VA + 0.3) V."
},
{
"number": "47",
"name": "CH A0-",
"type": "input",
"description": "Inverting input, channel A0; analog inputs are limited to -0.3 V to (+VA + 0.3) V."
},
{
"number": "48",
"name": "CH A0+",
"type": "input",
"description": "Noninverting input, channel A0; analog inputs are limited to -0.3 V to (+VA + 0.3) V."
}
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"guards": "pin_guards 0.1: passed",
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],
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"at": "2026-10-08T01:16:24"
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"pages": 28,
"sha256": "b0cb9242130340c6",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 48,
"described": 48,
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