component
LTC2308IUF#PBF
Public Made by Adomby adom
Analog Devices Analog To Digital Converters (ADCs), QFN-24-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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"title": "LTC2308IUF#PBF",
"brief": "Analog Devices Analog To Digital Converters (ADCs), QFN-24-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"version": "0.1.0",
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"manufacturer": "Analog Devices",
"package": "QFN-24-EP(4x4)",
"pin_count": 25,
"category": "ADC/DAC/Data Conversion",
"subcategory": "Analog To Digital Converters (ADCs)",
"datasheet": "https://www.analog.com/media/en/technical-documentation/data-sheets/2308fc.pdf",
"parts": {
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"footprint": "ltc2308iuf-pbf.kicad_mod",
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"lbr": "ltc2308iuf-pbf.lbr"
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"distributor_links": {
"lcsc": "C580529",
"digikey": "505-LTC2308IUF#PBF-ND",
"mouser": "584-LTC2308IUF#PBF"
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"source": "Component Ocean /api/assign-pns",
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"status": "found"
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"status": "found",
"lifecycle": "End of Life"
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},
"pins": [
{
"number": "1",
"name": "CH3",
"type": "input",
"description": "Analog input channel 3, configurable as single-ended or differential via the analog input multiplexer."
},
{
"number": "2",
"name": "CH4",
"type": "input",
"description": "Analog input channel 4, configurable as single-ended or differential via the analog input multiplexer."
},
{
"number": "3",
"name": "CH5",
"type": "input",
"description": "Analog input channel 5, configurable as single-ended or differential via the analog input multiplexer."
},
{
"number": "4",
"name": "CH6",
"type": "input",
"description": "Analog input channel 6, configurable as single-ended or differential via the analog input multiplexer."
},
{
"number": "5",
"name": "CH7",
"type": "input",
"description": "Analog input channel 7, configurable as single-ended or differential via the analog input multiplexer."
},
{
"number": "6",
"name": "COM",
"type": "input",
"description": "Common input and reference point for all single-ended inputs; must be noise-free and tied to ground for unipolar conversions or midway between GND and REFCOMP for bipolar conversions."
},
{
"number": "7",
"name": "VREF",
"type": "power_in",
"description": "2.5V reference output, bypass to GND with at least 2.2µF tantalum or low-ESR ceramic capacitor; may be overdriven by an external 2.5V reference."
},
{
"number": "8",
"name": "REFCOMP",
"type": "bidirectional",
"description": "Reference buffer output with nominal 4.096V, bypass to GND with 10µF tantalum in parallel with 0.1µF ceramic; buffer is disabled by grounding VREF so REFCOMP can be overdriven externally."
},
{
"number": "9",
"name": "GND",
"type": "power_in",
"description": "Ground, must be connected to a solid ground plane."
},
{
"number": "10",
"name": "GND",
"type": "power_in",
"description": "Ground, must be connected to a solid ground plane."
},
{
"number": "11",
"name": "GND",
"type": "power_in",
"description": "Ground, must be connected to a solid ground plane."
},
{
"number": "12",
"name": "AVDD",
"type": "power_in",
"description": "5V analog supply, range 4.75V to 5.25V, bypass to GND with 0.1µF ceramic and 10µF tantalum in parallel."
},
{
"number": "13",
"name": "AVDD",
"type": "power_in",
"description": "5V analog supply, range 4.75V to 5.25V, bypass to GND with 0.1µF ceramic and 10µF tantalum in parallel."
},
{
"number": "14",
"name": "CONVST",
"type": "input",
"description": "Conversion start; a rising edge begins a conversion, and for best performance it should return low within 40ns after the conversion starts or ends."
},
{
"number": "15",
"name": "SDI",
"type": "input",
"description": "Serial data input whose bit stream configures the ADC, latched on the rising edge of the first 6 SCK pulses."
},
{
"number": "16",
"name": "SCK",
"type": "input",
"description": "Serial data clock that synchronizes serial transfer; SDI is latched on the rising edge and SDO transitions on the falling edge."
},
{
"number": "17",
"name": "SDO",
"type": "output",
"description": "Serial data output of the previous conversion result, shifted out on the falling edge of each SCK pulse."
},
{
"number": "18",
"name": "GND",
"type": "power_in",
"description": "Ground, must be connected to a solid ground plane."
},
{
"number": "19",
"name": "OVDD",
"type": "power_in",
"description": "Output driver supply, range 2.7V to 5.25V, bypass to GND with 0.1µF ceramic close to the pin."
},
{
"number": "20",
"name": "GND",
"type": "power_in",
"description": "Ground, must be connected to a solid ground plane."
},
{
"number": "21",
"name": "DVDD",
"type": "power_in",
"description": "5V digital supply, range 4.75V to 5.25V, bypass to GND with 0.1µF ceramic and 10µF tantalum in parallel."
},
{
"number": "22",
"name": "CH0",
"type": "input",
"description": "Analog input channel 0, configurable as single-ended or differential via the analog input multiplexer."
},
{
"number": "23",
"name": "CH1",
"type": "input",
"description": "Analog input channel 1, configurable as single-ended or differential via the analog input multiplexer."
},
{
"number": "24",
"name": "CH2",
"type": "input",
"description": "Analog input channel 2, configurable as single-ended or differential via the analog input multiplexer."
},
{
"number": "25",
"name": "GND",
"type": "power_in",
"description": "Exposed pad ground, must be soldered directly to the ground plane."
}
],
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"guards": "pin_guards 0.1: passed",
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"pages_sent": 6,
"cost_usd": 0.0951,
"at": "2026-10-30T20:30:11"
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"datasheet": {
"url": "https://www.analog.com/media/en/technical-documentation/data-sheets/2308fc.pdf",
"pages": 22,
"sha256": "743f34ca5cdeb0f6",
"source_tier": "mfr"
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"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 25,
"described": 25,
"cites_pages": true,
"refuses_to_fabricate": true
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"viewers": {
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"seat": "z = 0",
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"footprint_binding": "identity",
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"package_dims": {
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"source_page": 20,
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"metadata": {
"specs": {
"Manufacturer": "Analog Devices",
"Package": "QFN-24-EP(4x4)",
"Category": "ADC/DAC/Data Conversion",
"Pins": "25"
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"characteristics": {
"version": 1,
"source": "datasheet",
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"rows": [
{
"name": "Resolution (No Missing Codes)",
"symbol": "",
"kind": "electrical",
"unit": "Bits",
"min": 12,
"typ": null,
"max": null,
"conditions": "",
"source_page": 2,
"source": "datasheet"
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{
"name": "Integral Linearity Error",
"symbol": "INL",
"kind": "electrical",
"unit": "LSB",
"min": -1,
"typ": 0.3,
"max": 1,
"conditions": "Note 6",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Differential Linearity Error",
"symbol": "DNL",
"kind": "electrical",
"unit": "LSB",
"min": -1,
"typ": 0.25,
"max": 1,
"conditions": "",
"source_page": 2,
"source": "datasheet"
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{
"name": "Bipolar Zero Error",
"symbol": "",
"kind": "electrical",
"unit": "LSB",
"min": -6,
"typ": 1,
"max": 6,
"conditions": "Note 7",
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{
"name": "Unipolar Zero Error",
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"min": -3,
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"conditions": "Note 7",
"source_page": 2,
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{
"name": "Unipolar Zero Error Match",
"symbol": "",
"kind": "electrical",
"unit": "LSB",
"min": -2,
"typ": 0.3,
"max": 2,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Bipolar Full-Scale Error",
"symbol": "",
"kind": "electrical",
"unit": "LSB",
"min": -9,
"typ": 1,
"max": 9,
"conditions": "External Reference (Note 8)",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Bipolar Full-Scale Error Match",
"symbol": "",
"kind": "electrical",
"unit": "LSB",
"min": -3,
"typ": 0.5,
"max": 3,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Unipolar Full-Scale Error",
"symbol": "",
"kind": "electrical",
"unit": "LSB",
"min": -8,
"typ": 1.5,
"max": 8,
"conditions": "External Reference (Note 8)",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Unipolar Full-Scale Error Match",
"symbol": "",
"kind": "electrical",
"unit": "LSB",
"min": -3,
"typ": 0.4,
"max": 3,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Absolute Input Range VIN+ (CH0 to CH7)",
"symbol": "VIN+",
"kind": "electrical",
"unit": "V",
"min": -0.05,
"typ": null,
"max": null,
"conditions": "Note 9; max is REFCOMP",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Absolute Input Range VIN- Unipolar",
"symbol": "VIN-",
"kind": "electrical",
"unit": "V",
"min": -0.05,
"typ": null,
"max": null,
"conditions": "Unipolar (Note 9); max is 0.25 • REFCOMP",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Absolute Input Range VIN- Bipolar",
"symbol": "VIN-",
"kind": "electrical",
"unit": "V",
"min": -0.05,
"typ": null,
"max": null,
"conditions": "Bipolar (Note 9); max is 0.75 • REFCOMP",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Analog Input Leakage Current",
"symbol": "IIN",
"kind": "electrical",
"unit": "µA",
"min": -1,
"typ": null,
"max": 1,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Signal-to-(Noise + Distortion) Ratio",
"symbol": "SINAD",
"kind": "electrical",
"unit": "dB",
"min": 71,
"typ": 73.3,
"max": null,
"conditions": "fIN = 1kHz",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Signal-to-Noise Ratio",
"symbol": "SNR",
"kind": "electrical",
"unit": "dB",
"min": 71,
"typ": 73.4,
"max": null,
"conditions": "fIN = 1kHz",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Total Harmonic Distortion",
"symbol": "THD",
"kind": "electrical",
"unit": "dB",
"min": null,
"typ": -90,
"max": -78,
"conditions": "fIN = 1kHz, First 5 Harmonics",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Spurious Free Dynamic Range",
"symbol": "SFDR",
"kind": "electrical",
"unit": "dB",
"min": 80,
"typ": 90,
"max": null,
"conditions": "fIN = 1kHz",
"source_page": 3,
"source": "datasheet"
},
{
"name": "VREF Output Voltage",
"symbol": "VREF",
"kind": "electrical",
"unit": "V",
"min": 2.47,
"typ": 2.5,
"max": 2.53,
"conditions": "IOUT = 0",
"source_page": 4,
"source": "datasheet"
},
{
"name": "VREF Output Tempco",
"symbol": "",
"kind": "temperature_coefficient",
"unit": "ppm/°C",
"min": null,
"typ": 25,
"max": null,
"conditions": "IOUT = 0",
"source_page": 4,
"source": "datasheet"
},
{
"name": "VREF Output Impedance",
"symbol": "",
"kind": "electrical",
"unit": "kW",
"min": null,
"typ": 8,
"max": null,
"conditions": "–0.1mA ≤ IOUT ≤ 0.1mA",
"source_page": 4,
"source": "datasheet"
},
{
"name": "VREFCOMP Output Voltage",
"symbol": "VREFCOMP",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": 4.096,
"max": null,
"conditions": "IOUT = 0",
"source_page": 4,
"source": "datasheet"
},
{
"name": "VREF Line Regulation",
"symbol": "",
"kind": "electrical",
"unit": "mV/V",
"min": null,
"typ": 0.8,
"max": null,
"conditions": "AVDD = 4.75V to 5.25V",
"source_page": 4,
"source": "datasheet"
},
{
"name": "High Level Input Voltage",
"symbol": "VIH",
"kind": "electrical",
"unit": "V",
"min": 2.4,
"typ": null,
"max": null,
"conditions": "DVDD = 5.25V",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Low Level Input Voltage",
"symbol": "VIL",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 0.8,
"conditions": "DVDD = 4.75V",
"source_page": 4,
"source": "datasheet"
},
{
"name": "High Level Input Current",
"symbol": "IIN",
"kind": "electrical",
"unit": "µA",
"min": -10,
"typ": null,
"max": 10,
"conditions": "VIN = VDD",
"source_page": 4,
"source": "datasheet"
},
{
"name": "High Level Output Voltage",
"symbol": "VOH",
"kind": "electrical",
"unit": "V",
"min": 4,
"typ": 4.74,
"max": null,
"conditions": "OVDD = 4.75V, IOUT = –200µA (min); IOUT = –10µA (typ)",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Low Level Output Voltage",
"symbol": "VOL",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": 0.05,
"max": 0.4,
"conditions": "OVDD = 4.75V, IOUT = 1.6mA (max); IOUT = 160µA (typ)",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Hi-Z Output Leakage",
"symbol": "IOZ",
"kind": "electrical",
"unit": "µA",
"min": -10,
"typ": null,
"max": 10,
"conditions": "VOUT = 0V to OVDD, CONVST High",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Analog Supply Voltage",
"symbol": "AVDD",
"kind": "electrical",
"unit": "V",
"min": 4.75,
"typ": 5,
"max": 5.25,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Digital Supply Voltage",
"symbol": "DVDD",
"kind": "electrical",
"unit": "V",
"min": 4.75,
"typ": 5,
"max": 5.25,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Output Driver Supply Voltage",
"symbol": "OVDD",
"kind": "electrical",
"unit": "V",
"min": 2.7,
"typ": null,
"max": 5.25,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
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