component
MS2351M
Public Made by Adomby adom
Hangzhou Ruimeng Tech Operational Amplifier, MSOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609610611612613614615616617618619620621622623624625626627628629630631632633634635636637638639640641642643644645646647648649650651652653654655656657658659660661662663664665666667668669670671672673674675676677678679680681682683684685686687688689690691692693694695696697698699700701702703704705706707708709710711712713714715716717718719720721722723724725726727728729730731
{
"schema_version": 1,
"type": "component",
"slug": "ms2351m",
"title": "MS2351M",
"brief": "Hangzhou Ruimeng Tech Operational Amplifier, MSOP-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",
"amplifiers",
"ms2351m",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "MS2351M",
"manufacturer": "Hangzhou Ruimeng Tech",
"package": "MSOP-8",
"pin_count": 8,
"category": "Amplifiers",
"subcategory": "Operational Amplifier",
"datasheet": "https://datasheet.lcsc.com/datasheet/pdf/371bd19484caae16d79d90c1a743a268.pdf",
"parts": {
"symbol": "ms2351m.kicad_sym",
"footprint": "ms2351m.kicad_mod",
"model_3d": "ms2351m-hero.glb",
"model_3d_plain": "ms2351m-etched.glb",
"model_3d_step": "ms2351m-etched.step",
"model_3d_step_plain": "ms2351m.step",
"lbr": "ms2351m.lbr"
},
"distributor_links": {
"lcsc": "C1509084"
},
"distributor_check": {
"checked_at": "2026-11-02T17:47:54Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "no match"
},
"mouser": {
"pn": null,
"status": "no match"
}
},
"pins": [
{
"number": "1",
"name": "RFIN",
"type": "input",
"description": "RF signal input with internal AC coupling, 95 kΩ DC resistance to ground and 3 kΩ in-band input resistance at 0.1 GHz; a 52.3 Ω shunt resistor to ground gives an equivalent 50 Ω input."
},
{
"number": "2",
"name": "ENBL",
"type": "input",
"description": "Enable pin: tie to VPOS for normal operation and to ground to shut the chip down, with high-level input of at least 1.4 V and low-level of at most 0.1 V over -40℃ to 85℃."
},
{
"number": "3",
"name": "VSET",
"type": "input",
"description": "Setpoint input with a voltage range of 0.15 V to 1.2 V; connect it to V_UP for measurement mode, otherwise drive it from an external control voltage for control mode."
},
{
"number": "4",
"name": "FLTR",
"type": "output",
"description": "Filter pin where an external capacitor connected between FLTR and V_UP lengthens the output response time."
},
{
"number": "5",
"name": "COMM",
"type": "power_in",
"description": "Reference ground for the device."
},
{
"number": "6",
"name": "V_UP",
"type": "output",
"description": "Logarithmic RSSI output proportional to the input signal amplitude, with a range of 0.015 V to 1.23 V at RL≥10 kΩ."
},
{
"number": "7",
"name": "V_DN",
"type": "output",
"description": "Inverted output of V_UP following V_DN = 2.25 - 2×V_UP, with a maximum output of 2.2 V to 2.3 V at VPOS≥3.3 V."
},
{
"number": "8",
"name": "VPOS",
"type": "power_in",
"description": "Supply pin with a specified range of 2.7 V to 5.5 V, to be decoupled with a 0.1 µF low-inductance ceramic capacitor placed next to the pin."
}
],
"provenance": {
"extractor": "extract_pins 0.3",
"factory_chain": {
"factory": "2.0.0",
"extractor": "extract_pins 0.3",
"primary_model": "claude-haiku-5-5",
"primary_mode": "text",
"consensus_model": "claude-sonnet-5-5",
"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [],
"pages_sent": 27,
"cost_usd": 0.0163,
"at": "2026-11-02T17:47:46"
},
"datasheet": {
"url": "https://datasheet.lcsc.com/datasheet/pdf/371bd19484caae16d79d90c1a743a268.pdf",
"pages": 27,
"sha256": "407ed168b9533fb6",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 8,
"described": 8,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "ms2351m.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
4.9,
3,
0.95
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "847c4c5023fe1603fbd36900a5dcc4bd3901ba473f71d42c9a469f0236eaadf3",
"checked": "2026-11-02",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "ms2351m-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
4.9,
3,
0.95
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "b36d85933df5c067099a80cbee63f1bf6a744ea5b51e3bd675831ff49427e2c2",
"checked": "2026-11-02",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "Hangzhou Ruimeng Tech",
"Package": "MSOP-8",
"Category": "Amplifiers",
"Pins": "8"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "407ed168b9533fb64a88b7d94b5d9fc5c08fad4e79ffb05da1abc06bf8b9e7e1",
"rows": [
{
"name": "Supply voltage",
"symbol": "VPOS",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 5.5,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Input voltage rms",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V rms",
"min": null,
"typ": null,
"max": 1.6,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Equivalent power",
"symbol": "",
"kind": "absolute_maximum",
"unit": "dBm",
"min": null,
"typ": null,
"max": 17,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Maximum power dissipation",
"symbol": "PD",
"kind": "absolute_maximum",
"unit": "mW",
"min": null,
"typ": null,
"max": 200,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Operating ambient temperature",
"symbol": "Topr",
"kind": "absolute_maximum",
"unit": "℃",
"min": -40,
"typ": null,
"max": 85,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Storage temperature",
"symbol": "Tstg",
"kind": "absolute_maximum",
"unit": "℃",
"min": -55,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Die attach soldering temperature",
"symbol": "TTOR",
"kind": "absolute_maximum",
"unit": "℃",
"min": null,
"typ": null,
"max": 260,
"conditions": "10 s",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Overall frequency range",
"symbol": "",
"kind": "electrical",
"unit": "GHz",
"min": 0.1,
"typ": null,
"max": 2.5,
"conditions": "满足所有规范",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Input voltage",
"symbol": "",
"kind": "electrical",
"unit": "mV rms",
"min": 1.25,
"typ": null,
"max": 224,
"conditions": "内部 AC 耦合",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Equivalent power",
"symbol": "",
"kind": "electrical",
"unit": "dBm",
"min": -45,
"typ": null,
"max": 0,
"conditions": "52.3Ω外部终端",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Voltage range V_UP with VSET connected",
"symbol": "V_UP",
"kind": "electrical",
"unit": "V",
"min": 0.015,
"typ": null,
"max": 1.23,
"conditions": "V_UP 接 VSET",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Minimum output voltage",
"symbol": "V_UP",
"kind": "electrical",
"unit": "V",
"min": 0.013,
"typ": 0.015,
"max": 0.016,
"conditions": "RFIN 端无信号输入,RL≥10k",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Maximum output voltage",
"symbol": "V_UP",
"kind": "electrical",
"unit": "V",
"min": 1.22,
"typ": 1.224,
"max": 1.23,
"conditions": "RL≥10k",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Source current capability",
"symbol": "",
"kind": "electrical",
"unit": "mA",
"min": 17.8,
"typ": 18,
"max": 18.7,
"conditions": "V_UP 电流源",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Sink current capability",
"symbol": "",
"kind": "electrical",
"unit": "mA",
"min": 1.5,
"typ": 2.2,
"max": 2.4,
"conditions": "V_UP 电流沉",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Minimum output voltage",
"symbol": "V_DN",
"kind": "electrical",
"unit": "V",
"min": 0.03,
"typ": 0.036,
"max": 0.05,
"conditions": "VPOS≥3.3V",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Maximum output voltage",
"symbol": "V_DN",
"kind": "electrical",
"unit": "V",
"min": 2.2,
"typ": 2.26,
"max": 2.3,
"conditions": "VPOS≥3.3V",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Source current capability V_DN",
"symbol": "",
"kind": "electrical",
"unit": "mA",
"min": 35,
"typ": 37,
"max": 39,
"conditions": "电流源",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Sink current capability V_DN",
"symbol": "",
"kind": "electrical",
"unit": "mA",
"min": 1.4,
"typ": 2.1,
"max": 2.4,
"conditions": "电流沉",
"source_page": 5,
"source": "datasheet"
},
{
"name": "VSET voltage range",
"symbol": "VSET",
"kind": "electrical",
"unit": "V",
"min": 0.15,
"typ": null,
"max": 1.2,
"conditions": "对应中心 40dB",
"source_page": 5,
"source": "datasheet"
},
{
"name": "VSET input resistance",
"symbol": "",
"kind": "electrical",
"unit": "kΩ",
"min": 8,
"typ": 10,
"max": 12,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Enable high-level input",
"symbol": "ENBL",
"kind": "electrical",
"unit": "V",
"min": 1.4,
"typ": null,
"max": null,
"conditions": "高电平输入,-40℃~85℃",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Enable low-level output",
"symbol": "ENBL",
"kind": "electrical",
"unit": "V",
"min": -0.5,
"typ": 0.1,
"max": null,
"conditions": "低电平输出,-40℃~85℃",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Supply voltage",
"symbol": "VPOS",
"kind": "electrical",
"unit": "V",
"min": 2.7,
"typ": 3.3,
"max": 5.5,
"conditions": "供电电压",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Quiescent current",
"symbol": "",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 5.3,
"max": 5.6,
"conditions": "静态电流",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Quiescent current over temperature",
"symbol": "",
"kind": "electrical",
"unit": "mA",
"min": 4.2,
"typ": 5.7,
"max": 6.3,
"conditions": "温度范围内 -40℃-85℃",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Enable-on input current",
"symbol": "",
"kind": "electrical",
"unit": "uA",
"min": null,
"typ": 20,
"max": 300,
"conditions": "ENBL=2.7V,-40℃~85℃",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Enable-off current",
"symbol": "",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 1.2,
"max": 6.3,
"conditions": "使能关时电流",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Enable-off current over temperature",
"symbol": "",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 1.2,
"max": 6.3,
"conditions": "温度范围内 -40℃-85℃",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Logarithmic slope V_UP",
"symbol": "",
"kind": "electrical",
"unit": "mV/dB",
"min": null,
"typ": 22,
"max": null,
"conditions": "V_UP,100MHz",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Logarithmic intercept V_UP",
"symbol": "",
"kind": "electrical",
"unit": "dBV",
"min": null,
"typ": -63.5,
"max": null,
"conditions": "V_UP,100MHz",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Equivalent power at intercept",
"symbol": "",
"kind": "electrical",
"unit": "dBm",
"min": null,
"typ": -50.5,
"max": null,
"conditions": "52.3Ω外部终端",
"source_page": 4,
"source": "datasheet"
},
{
"name": "DC resistance to ground at RFIN",
"symbol": "",
"kind": "electrical",
"unit": "kΩ",
"min": null,
"typ": 95,
"max": null,
"conditions": "对地直流电阻",
"source_page": 4,
"source": "datasheet"
},
{
"name": "In-band input resistance",
"symbol": "",
"kind": "electrical",
"unit": "kΩ",
"min": null,
"typ": 3,
"max": null,
"conditions": "f=0.1GHz",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Input capacitance",
"symbol": "",
"kind": "electrical",
"unit": "pF",
"min": null,
"typ": 2.3,
"max": null,
"conditions": "f=0.1GHz",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Response time 10%-90%",
"symbol": "",
"kind": "electrical",
"unit": "ns",
"min": null,
"typ": 83,
"max": null,
"conditions": "10%-90%,10dB 阶跃",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Residual RF signal worst case",
"symbol": "",
"kind": "electrical",
"unit": "uV",
"min": null,
"typ": null,
"max": 30,
"conditions": "f=0.1GHz,最差情况",
"source_page": 5,
"source": "datasheet"
},
{
"name": "V_DN gain relative to V_UP",
"symbol": "",
"kind": "electrical",
"unit": "",
"min": null,
"typ": -2,
"max": null,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Output referred noise",
"symbol": "",
"kind": "electrical",
"unit": "Hz V",
"min": null,
"typ": 0.16,
"max": null,
"conditions": "RFIN=2GHz,-33dBV,fNOISE=10kHz",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Full-scale settling time",
"symbol": "",
"kind": "electrical",
"unit": "ns",
"min": null,
"typ": 160,
"max": null,
"conditions": "-40dBm 到 0dBm",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Logarithmic slope at 0.9GHz",
"symbol": "",
"kind": "electrical",
"unit": "mV/dB",
"min": null,
"typ": 22.2,
"max": null,
"conditions": "f=0.9GHz",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Logarithmic slope at 1.9GHz",
"symbol": "",
"kind": "electrical",
"unit": "mV/dB",
"min": null,
"typ": 21.9,
"max": null,
"conditions": "f=1.9GHz",
"source_page": 5,
"source": "datasheet"
}
]
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"ms2351m"
],
"discovery_pitch": "MS2351M (Hangzhou Ruimeng Tech) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
"author": {
"name": "Ray",
"email": "[email protected]"
},
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
"page.json",
"README.md",
"ms2351m.kicad_sym",
"ms2351m.kicad_mod",
"ms2351m.glb",
"ms2351m.step",
"ms2351m.lbr",
"docs/hero.png",
"docs/ms2351m-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"ms2351m-hero.glb",
"ms2351m-hero.overlay.json",
"ms2351m-etched.glb"
],
"visibility": {
"public": true
}
}