component
ADUM7642CRQZ
Public Made by Adomby adom
Analog Devices Digital Isolators, QSOP-20-150mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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"title": "ADUM7642CRQZ",
"brief": "Analog Devices Digital Isolators, QSOP-20-150mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
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"package": "QSOP-20-150mil",
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"category": "Communication Interface Chip/UART/485/232",
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{
"number": "1",
"name": "VDD1A",
"type": "power_in",
"description": "Supply Voltage A for Isolator Side 1, 3.0 V to 5.5 V; must be connected externally to Pin 7, with a 0.01 µF to 0.1 µF decoupling capacitor between VDD1A and GND1 (Pin 2)."
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{
"number": "2",
"name": "GND1",
"type": "power_in",
"description": "Ground reference for Isolator Side 1; internally connected to Pin 10, and connecting both pins to the PCB ground plane is recommended."
},
{
"number": "3",
"name": "VIA",
"type": "input",
"description": "Logic Input A; the datasheet gives no further electrical limits for this pin."
},
{
"number": "4",
"name": "VIB",
"type": "input",
"description": "Logic Input B; the datasheet gives no further electrical limits for this pin."
},
{
"number": "5",
"name": "VIC",
"type": "input",
"description": "Logic Input C; the datasheet gives no further electrical limits for this pin."
},
{
"number": "6",
"name": "VOD",
"type": "output",
"description": "Logic Output D; the datasheet gives no further electrical limits for this pin."
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{
"number": "7",
"name": "VDD1B",
"type": "power_in",
"description": "Supply Voltage B for Isolator Side 1, 3.0 V to 5.5 V; must be connected externally to Pin 1, with a 0.01 µF to 0.1 µF decoupling capacitor between VDD1B and GND1 (Pin 10)."
},
{
"number": "8",
"name": "VOE",
"type": "output",
"description": "Logic Output E; the datasheet gives no further electrical limits for this pin."
},
{
"number": "9",
"name": "VIF",
"type": "input",
"description": "Logic Input F; the datasheet gives no further electrical limits for this pin."
},
{
"number": "10",
"name": "GND1",
"type": "power_in",
"description": "Ground reference for Isolator Side 1; internally connected to Pin 2, and connecting both pins to the PCB ground plane is recommended."
},
{
"number": "11",
"name": "GND2",
"type": "power_in",
"description": "Ground reference for Isolator Side 2; internally connected to Pin 19, and connecting both pins to the PCB ground plane is recommended."
},
{
"number": "12",
"name": "VOF",
"type": "output",
"description": "Logic Output F; the datasheet gives no further electrical limits for this pin."
},
{
"number": "13",
"name": "VIE",
"type": "input",
"description": "Logic Input E; the datasheet gives no further electrical limits for this pin."
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{
"number": "14",
"name": "VDD2B",
"type": "power_in",
"description": "Supply Voltage B for Isolator Side 2, 3.0 V to 5.5 V; must be connected externally to Pin 20, with a 0.01 µF to 0.1 µF decoupling capacitor between VDD2B and GND2 (Pin 11)."
},
{
"number": "15",
"name": "VID",
"type": "input",
"description": "Logic Input D; the datasheet gives no further electrical limits for this pin."
},
{
"number": "16",
"name": "VOC",
"type": "output",
"description": "Logic Output C; the datasheet gives no further electrical limits for this pin."
},
{
"number": "17",
"name": "VOB",
"type": "output",
"description": "Logic Output B; the datasheet gives no further electrical limits for this pin."
},
{
"number": "18",
"name": "VOA",
"type": "output",
"description": "Logic Output A; the datasheet gives no further electrical limits for this pin."
},
{
"number": "19",
"name": "GND2",
"type": "power_in",
"description": "Ground reference for Isolator Side 2; internally connected to Pin 11, and connecting both pins to the PCB ground plane is recommended."
},
{
"number": "20",
"name": "VDD2A",
"type": "power_in",
"description": "Supply Voltage A for Isolator Side 2, 3.0 V to 5.5 V; must be connected externally to Pin 14, with a 0.01 µF to 0.1 µF decoupling capacitor between VDD2A and GND2 (Pin 19)."
}
],
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"primary_model": "claude-haiku-5-5",
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"guards": "pin_guards 0.1: passed",
"guard_notes": [
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],
"pages_sent": 11,
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"at": "2026-10-30T16:47:58"
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"pages": 22,
"sha256": "d5f48833ac0414f1",
"source_tier": "mfr"
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"cad": "KiCad official (CC-BY-SA 4.0)",
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"footprint_binding": "identity",
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"metadata": {
"specs": {
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"Package": "QSOP-20-150mil",
"Category": "Communication Interface Chip/UART/485/232",
"Pins": "20"
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"appearance": {
"housing": {
"quote": "3 Refers to common-mode transients across the insulation barrier. Commonmode transients exceeding the absolute maximum ratings may cause latch-up",
"page": 11,
"doc": "ds.pdf",
"material": "abs"
},
"version": 1,
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"rows": [
{
"name": "Operating Temperature",
"symbol": "TA",
"kind": "recommended_operating",
"unit": "°C",
"min": -40,
"typ": null,
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{
"name": "Supply Voltages (recommended)",
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{
"name": "Input Signal Rise and Fall Times",
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"name": "Supply Voltages (absolute maximum)",
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"conditions": "",
"source_page": 11,
"source": "datasheet"
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{
"name": "IC Junction-to-Ambient Thermal Resistance",
"symbol": "θJA",
"kind": "thermal",
"unit": "°C/W",
"min": null,
"typ": 76,
"max": null,
"conditions": "Thermocouple located at center of package underside",
"source_page": 9,
"source": "datasheet"
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{
"name": "Pulse Width (5 V operation)",
"symbol": "PW",
"kind": "timing",
"unit": "ns",
"min": 40,
"typ": null,
"max": null,
"conditions": "Within PWD limit",
"source_page": 4,
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{
"name": "Data Rate (5 V operation)",
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"kind": "timing",
"unit": "Mbps",
"min": null,
"typ": null,
"max": 25,
"conditions": "Within PWD limit",
"source_page": 4,
"source": "datasheet"
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{
"name": "Pulse Width Distortion (5 V operation)",
"symbol": "PWD",
"kind": "timing",
"unit": "ns",
"min": null,
"typ": 2,
"max": 6,
"conditions": "|tPLH − tPHL|",
"source_page": 4,
"source": "datasheet"
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{
"name": "Propagation Delay Skew (5 V operation)",
"symbol": "tPSK",
"kind": "timing",
"unit": "ns",
"min": null,
"typ": null,
"max": 14,
"conditions": "",
"source_page": 4,
"source": "datasheet"
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{
"name": "Channel Matching Codirectional (5 V operation)",
"symbol": "tPSKCD",
"kind": "timing",
"unit": "ns",
"min": null,
"typ": 6,
"max": 12,
"conditions": "",
"source_page": 4,
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{
"name": "Channel Matching Opposing Directional (5 V operation)",
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"kind": "timing",
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"min": null,
"typ": 7,
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"conditions": "",
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{
"name": "Supply Current IDD1, 1 Mbps (ADuM7642, 5 V operation)",
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"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 5.2,
"max": 6.3,
"conditions": "No load",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Supply Current IDD2, 1 Mbps (ADuM7642, 5 V operation)",
"symbol": "IDD2",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 4.8,
"max": 6,
"conditions": "No load",
"source_page": 4,
"source": "datasheet"
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{
"name": "Supply Current IDD1, 25 Mbps (ADuM7642, 5 V operation)",
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"kind": "electrical",
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"min": null,
"typ": 31,
"max": 38,
"conditions": "No load",
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"source": "datasheet"
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{
"name": "Supply Current IDD2, 25 Mbps (ADuM7642, 5 V operation)",
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"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 19,
"max": 24,
"conditions": "No load",
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{
"name": "Output Low Voltage (5 V operation, 20 µA)",
"symbol": "VOL",
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"unit": "V",
"min": null,
"typ": 0,
"max": 0.1,
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"source_page": 4,
"source": "datasheet"
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{
"name": "Output Low Voltage (5 V operation, 4 mA)",
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"max": 0.4,
"conditions": "IOx = 4 mA, VIx = VIxL",
"source_page": 4,
"source": "datasheet"
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{
"name": "Input Current per Channel (5 V operation)",
"symbol": "II",
"kind": "electrical",
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"min": -10,
"typ": 0.01,
"max": 10,
"conditions": "0 V ≤ VIx ≤ VDDx",
"source_page": 5,
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{
"name": "Quiescent Supply Current Input (5 V operation)",
"symbol": "IDDI (Q)",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 0.95,
"max": 1.16,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Quiescent Supply Current Output (5 V operation)",
"symbol": "IDDO (Q)",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 0.73,
"max": 0.98,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Common-Mode Transient Immunity (5 V operation)",
"symbol": "|CM|",
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"min": 15,
"typ": 25,
"max": null,
"conditions": "VIx = VDDx, VCM = 1000 V, transient magnitude = 800 V",
"source_page": 5,
"source": "datasheet"
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{
"name": "Pulse Width Distortion (3.3 V operation)",
"symbol": "PWD",
"kind": "timing",
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"min": null,
"typ": 2,
"max": 6,
"conditions": "|tPLH − tPHL|",
"source_page": 5,
"source": "datasheet"
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{
"name": "Propagation Delay Skew (3.3 V operation)",
"symbol": "tPSK",
"kind": "timing",
"unit": "ns",
"min": null,
"typ": null,
"max": 14,
"conditions": "",
"source_page": 5,
"source": "datasheet"
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{
"name": "Channel Matching Codirectional (3.3 V operation)",
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"kind": "timing",
"unit": "ns",
"min": null,
"typ": 6,
"max": 12,
"conditions": "",
"source_page": 5,
"source": "datasheet"
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{
"name": "Channel Matching Opposing Directional (3.3 V operation)",
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"kind": "timing",
"unit": "ns",
"min": null,
"typ": 6,
"max": 15,
"conditions": "",
"source_page": 5,
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{
"name": "Supply Current IDD1, 1 Mbps (ADuM7642, 3.3 V operation)",
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"kind": "electrical",
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"min": null,
"typ": 3.7,
"max": 4.7,
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},
{
"name": "Supply Current IDD2, 1 Mbps (ADuM7642, 3.3 V operation)",
"symbol": "IDD2",
"kind": "electrical",
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"min": null,
"typ": 3.5,
"max": 4.4,
"conditions": "No load",
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{
"name": "Supply Current IDD1, 25 Mbps (ADuM7642, 3.3 V operation)",
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{
"name": "Supply Current IDD2, 25 Mbps (ADuM7642, 3.3 V operation)",
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"name": "Output Low Voltage (3.3 V operation, 20 µA)",
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"min": null,
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"max": 0.1,
"conditions": "IOx = 20 µA, VIx = VIxL",
"source_page": 6,
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{
"name": "Output Low Voltage (3.3 V operation, 4 mA)",
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{
"name": "Input Current per Channel (3.3 V operation)",
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"typ": 0.01,
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"conditions": "0 V ≤ VIx ≤ VDDx",
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"source": "datasheet"
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{
"name": "Quiescent Supply Current Input (3.3 V operation)",
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"unit": "mA",
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