component
AD7825BRZ
Public Made by Adomby adom
Analog Devices Analog To Digital Converters (ADCs), SOIC-24-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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"description": "Analog Devices Analog To Digital Converters (ADCs), SOIC-24-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
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"component": {
"mpn": "AD7825BRZ",
"manufacturer": "Analog Devices",
"package": "SOIC-24-300mil",
"pin_count": 24,
"category": "Data Converters",
"subcategory": "Analog To Digital Converters (ADCs)",
"datasheet": "https://www.analog.com/media/en/technical-documentation/data-sheets/AD7822_7825_7829.pdf",
"parts": {
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"lbr": "ad7825brz.lbr"
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"distributor_links": {
"lcsc": "C651658",
"digikey": "AD7825BRZ-ND",
"mouser": "584-AD7825BRZ"
},
"distributor_check": {
"checked_at": "2026-10-30T21:17:19Z",
"source": "Component Ocean /api/assign-pns",
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"pn": "AD7825BRZ-ND",
"status": "found"
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"pins": [
{
"number": "1",
"name": "DB2",
"type": "tri_state",
"description": "Data output line that is normally held in high impedance and driven onto the data bus when both RD and CS go active low."
},
{
"number": "2",
"name": "DB1",
"type": "tri_state",
"description": "Data output line that is normally held in high impedance and driven onto the data bus when both RD and CS go active low."
},
{
"number": "3",
"name": "DB0",
"type": "tri_state",
"description": "Data output line that is normally held in high impedance and driven onto the data bus when both RD and CS go active low."
},
{
"number": "4",
"name": "CONVST",
"type": "input",
"description": "Convert start logic input that starts an 8-bit conversion on its falling edge, and if logic low at the end of a conversion the part powers down."
},
{
"number": "5",
"name": "CS",
"type": "input",
"description": "Chip select logic input that enables the parallel port, needed when the ADC shares a data bus; both RD and CS must be low to enable the data bus."
},
{
"number": "6",
"name": "RD",
"type": "input",
"description": "Read logic input that takes the output buffers out of high impedance and drives data onto the bus, internally gated with CS."
},
{
"number": "7",
"name": "DGND",
"type": "power_in",
"description": "Digital ground, the ground reference for digital circuitry."
},
{
"number": "8",
"name": "EOC",
"type": "output",
"description": "End-of-conversion logic output that indicates a finished conversion and can interrupt a microcontroller or latch data into a gate array."
},
{
"number": "9",
"name": "A1",
"type": "input",
"description": "Channel address input; the address of the next multiplexer channel must be present when RD goes low."
},
{
"number": "10",
"name": "A0",
"type": "input",
"description": "Channel address input; the address of the next multiplexer channel must be present when RD goes low."
},
{
"number": "11",
"name": "PD",
"type": "input",
"description": "Power-down logic input; bringing it low places the part in power-down mode and bringing it high again powers the ADC up."
},
{
"number": "12",
"name": "VIN4",
"type": "input",
"description": "Analog input channel 4 with a span of 2.5 V (VDD = 5 V) or 2 V (VDD = 3 V), positionable within AGND to VDD using VMID."
},
{
"number": "13",
"name": "VIN3",
"type": "input",
"description": "Analog input channel 3 with a span of 2.5 V (VDD = 5 V) or 2 V (VDD = 3 V), positionable within AGND to VDD using VMID."
},
{
"number": "14",
"name": "VIN2",
"type": "input",
"description": "Analog input channel 2 with a span of 2.5 V (VDD = 5 V) or 2 V (VDD = 3 V), positionable within AGND to VDD using VMID."
},
{
"number": "15",
"name": "VIN1",
"type": "input",
"description": "Analog input channel 1 with a span of 2.5 V (VDD = 5 V) or 2 V (VDD = 3 V), positionable within AGND to VDD using VMID."
},
{
"number": "16",
"name": "VMID",
"type": "input",
"description": "If connected, centers the analog input span anywhere in the range AGND to VDD (default 1.25 V at 5 V, 1 V at 3 V when unconnected)."
},
{
"number": "17",
"name": "VREF IN/OUT",
"type": "power_in",
"description": "Analog reference pin that accepts an external reference (2.45 V to 2.55 V) or provides the on-chip 2.5 V reference, which may be left unconnected or decoupled to AGND with 0.1 µF."
},
{
"number": "18",
"name": "VDD",
"type": "power_in",
"description": "Positive supply voltage, 3 V ± 10% or 5 V ± 10%."
},
{
"number": "19",
"name": "AGND",
"type": "power_in",
"description": "Analog ground, the reference for the track-and-hold, comparators, reference circuit and multiplexer."
},
{
"number": "20",
"name": "DB7",
"type": "tri_state",
"description": "Data output line that is normally held in high impedance and driven onto the data bus when both RD and CS go active low."
},
{
"number": "21",
"name": "DB6",
"type": "tri_state",
"description": "Data output line that is normally held in high impedance and driven onto the data bus when both RD and CS go active low."
},
{
"number": "22",
"name": "DB5",
"type": "tri_state",
"description": "Data output line that is normally held in high impedance and driven onto the data bus when both RD and CS go active low."
},
{
"number": "23",
"name": "DB4",
"type": "tri_state",
"description": "Data output line that is normally held in high impedance and driven onto the data bus when both RD and CS go active low."
},
{
"number": "24",
"name": "DB3",
"type": "tri_state",
"description": "Data output line that is normally held in high impedance and driven onto the data bus when both RD and CS go active low."
}
],
"provenance": {
"extractor": "extract_pins 0.3",
"factory_chain": {
"factory": "2.0.0",
"extractor": "extract_pins 0.3",
"primary_model": "claude-sonnet-5-5",
"primary_mode": "text",
"consensus_model": "claude-sonnet-5-5",
"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [
"extractor flagged: The ordering guide lists AD7825BRZ as a 24-Lead SOIC_W (RW-24); the datasheet text does not state '3; VMID type chosen as input (it is an analog offset-setting input with 6 kΩ typ impedance); the datash"
],
"pages_sent": 7,
"cost_usd": 0.1379,
"at": "2026-10-30T21:17:08"
},
"datasheet": {
"url": "https://www.analog.com/media/en/technical-documentation/data-sheets/AD7822_7825_7829.pdf",
"pages": 28,
"sha256": "5957039edf3c2cfb",
"source_tier": "mfr"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 24,
"described": 24,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
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