component
LHR3050AFAA
Public Made by Adomby adom
Legendsemi Voltage Reference, SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"schema_version": 1,
"type": "component",
"slug": "lhr3050afaa",
"title": "LHR3050AFAA",
"brief": "Legendsemi Voltage Reference, SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"version": "0.1.0",
"license": "CC-BY-SA-4.0",
"tags": [
"component",
"power management (pmic)",
"lhr3050afaa",
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],
"component": {
"mpn": "LHR3050AFAA",
"manufacturer": "Legendsemi",
"package": "SOP-8",
"pin_count": 8,
"category": "Power Management (PMIC)",
"subcategory": "Voltage Reference",
"datasheet": "https://datasheet.lcsc.com/datasheet/pdf/a4a42c5dec8404d5e14b33f51c421765.pdf",
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"checked_at": "2026-10-27T02:11:36Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "no match"
},
"mouser": {
"pn": null,
"status": "no match"
}
},
"pins": [
{
"number": "1",
"name": "DNC",
"type": "unconnected",
"description": "Do not connect this pin (DNC)."
},
{
"number": "2",
"name": "VIN",
"type": "power_in",
"description": "Supply voltage input; VIN must be at least VOUT + 0.2V and no more than 18V, with a 2.7V minimum for VOUT of 2.5V or less."
},
{
"number": "3",
"name": "TEMP",
"type": "output",
"description": "Temperature monitor output with high output impedance, giving VTEMP = 668mV + 1.91mV/°C × T (accuracy about ±15°C), so low-impedance loads must be buffered."
},
{
"number": "4",
"name": "GND",
"type": "power_in",
"description": "Ground reference pin; the output capacitor (1μF to 50μF) must be connected from VOUT to GND."
},
{
"number": "5",
"name": "NC",
"type": "unconnected",
"description": "No internal connection (NC)."
},
{
"number": "6",
"name": "VOUT",
"type": "output",
"description": "Voltage reference output, rated for ±10mA source and sink current, requiring a 1μF to 50μF output capacitor to GND."
},
{
"number": "7",
"name": "DNC",
"type": "unconnected",
"description": "Do not connect this pin (DNC)."
},
{
"number": "8",
"name": "DNC",
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"description": "Do not connect this pin (DNC)."
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"at": "2026-10-27T02:11:26"
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"sha256": "a5ef983cd4f79fdb",
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"cad": "KiCad official (CC-BY-SA 4.0)",
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"metadata": {
"specs": {
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"Package": "SOP-8",
"Category": "Power Management (PMIC)",
"Pins": "8"
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"source": "datasheet",
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"name": "初始精度：高等级",
"symbol": "",
"kind": "tolerance",
"unit": "%",
"min": -0.05,
"typ": null,
"max": 0.05,
"conditions": "所有电压选项（1）",
"source_page": 5,
"source": "datasheet"
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{
"name": "输出电压温漂 高等级",
"symbol": "δVOUT/dT",
"kind": "temperature_coefficient",
"unit": "ppm/°C",
"min": null,
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"name": "线性调整率",
"symbol": "δVO(δVI)",
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"unit": "ppm/V",
"min": null,
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{
"name": "线性调整率 TA=-40°C 至 125°C",
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"min": null,
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"conditions": "VIN = VOUT + 0.2V， TA = –40°C 至 125°C（2）",
"source_page": 5,
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{
"name": "负载调整率",
"symbol": "δVO(δIL)",
"kind": "electrical",
"unit": "ppm/mA",
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"typ": 20,
"max": 30,
"conditions": "–10mA < ILOAD < 10mA， VIN = VOUT + 0.75V（3）",
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{
"name": "长期稳定性 SOP-8 0 到 1000 小时",
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"unit": "ppm/1000 小时",
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"name": "长期稳定性 SOP-8 1000 到 2000 小时",
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"kind": "electrical",
"unit": "ppm/1000 小时",
"min": null,
"typ": null,
"max": 50,
"conditions": "SOP-8 1000 到 2000 小时",
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{
"name": "电源电压",
"symbol": "Vs",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 18,
"conditions": "请参阅注释",
"source_page": 6,
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{
"name": "静态电流",
"symbol": "IQ",
"kind": "electrical",
"unit": "mA",
"min": null,
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"max": 1,
"conditions": "",
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{
"name": "静态电流 TA=-40°C 至 125°C",
"symbol": "IQ",
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"min": null,
"typ": null,
"max": 1.2,
"conditions": "TA = –40°C 至 125°C",
"source_page": 6,
"source": "datasheet"
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{
"name": "输入电压",
"symbol": "VIN",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.2,
"typ": null,
"max": 18,
"conditions": "",
"source_page": 4,
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{
"name": "输出对地短路",
"symbol": "",
"kind": "absolute_maximum",
"unit": "mA",
"min": 0,
"typ": null,
"max": 30,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "输出电压范围",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.2,
"typ": null,
"max": 5.5,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "工作温度",
"symbol": "",
"kind": "absolute_maximum",
"unit": "°C",
"min": -55,
"typ": null,
"max": 125,
"conditions": "",
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{
"name": "结温（TJ 最大值）",
"symbol": "TJ",
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{
"name": "贮存温度",
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"unit": "°C",
"min": -65,
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{
"name": "输入电压（推荐）",
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{
"name": "输出电流（推荐）",
"symbol": "IOUT",
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"unit": "mA",
"min": -10,
"typ": null,
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{
"name": "短路电流",
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{
"name": "输出电压",
"symbol": "VOUT",
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"typ": 5,
"max": null,
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{
"name": "输出电压噪声",
"symbol": "",
"kind": "electrical",
"unit": "µVPP/V",
"min": null,
"typ": 1.5,
"max": null,
"conditions": "F=0.1Hz 至 10Hz",
"source_page": 5,
"source": "datasheet"
},
{
"name": "TEMP 引脚电压输出",
"symbol": "",
"kind": "electrical",
"unit": "mV",
"min": null,
"typ": 668,
"max": null,
"conditions": "在 TA=25°C 时",
"source_page": 6,
"source": "datasheet"
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{
"name": "TEMP 引脚温度敏感性",
"symbol": "",
"kind": "electrical",
"unit": "mV/°C",
"min": null,
"typ": 1.91,
"max": null,
"conditions": "TA = -40°C 至 125°C",
"source_page": 6,
"source": "datasheet"
},
{
"name": "结至环境热阻 RθJA (SOP)",
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"kind": "thermal",
"unit": "°C/W",
"min": null,
"typ": 160.9,
"max": null,
"conditions": "DGK (SOP) 8 引脚",
"source_page": 5,
"source": "datasheet"
},
{
"name": "结至外壳（顶部）热阻 RθJC(top) (SOP)",
"symbol": "RθJC(top)",
"kind": "thermal",
"unit": "°C/W",
"min": null,
"typ": 53.9,
"max": null,
"conditions": "DGK (SOP) 8 引脚",
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"source": "datasheet"
},
{
"name": "结至电路板热阻 RθJB (SOP)",
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"kind": "thermal",
"unit": "°C/W",
"min": null,
"typ": 82.3,
"max": null,
"conditions": "DGK (SOP) 8 引脚",
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{
"name": "结至顶部特征参数 ψJT (SOP)",
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"kind": "thermal",
"unit": "°C/W",
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"conditions": "DGK (SOP) 8 引脚",
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{
"name": "结至电路板特征参数 ψJB (SOP)",
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"kind": "thermal",
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