Part Data Review and Validation

flux

1:39

Clarifying project actions.

Inspecting schematic and layout.

Checking if I can make the changes for you.

Analyzing the PCB layout.

Analyzing the schematic.

Looking for "Exact manufacturer part number, manufacturer name, package options, pin count, package drawing identifiers, and concise functional description for MUSES8920D." in MUSES8920_E-259012.pdf

Looking for "Complete pin table for the MUSES8920D package including pin numbers, pin names, and pin functions/descriptions." in MUSES8920_E-259012.pdf

Looking for "Key electrical specs for MUSES8920D: supply voltage range, package type, channel count, input type, noise/distortion or audio-performance highlights, and operating temperature if present." in MUSES8920_E-259012.pdf

Looking for "Package/mechanical information and land pattern details for the MUSES8920D package, including whether it is SOP-8/DIP-8 and any dimensions relevant to footprint verification." in MUSES8920_E-259012.pdf

Citing methodology and tools.

I reviewed the part project using the standard part-project datasheet audit flow: verify the existing Datasheet URL first, then compare project metadata, terminal set, and footprint/pin mapping against the datasheet as the source of truth.
Overall result
  • Datasheet URL: already present, so no update was needed
  • MPN: matches datasheet
  • Manufacturer: matches datasheet
  • Pin count: matches datasheet
  • Symbol pin names/numbers: match datasheet
  • Footprint package intent: mismatch
  • Pin descriptions / pin typing metadata: incomplete
Part metadata review

Project vs datasheet

FieldIn projectIn datasheetStatus
Manufacturer Part NumberMUSES8920DMUSES8920D✅ Match
Manufacturer NameNew Japan RadioNew Japan Radio Co., Ltd.✅ Match
Part TypeIntegrated CircuitsHigh quality audio J-FET input dual operational amplifier⚠️ Too generic
Designator PrefixICIC/op-amp class part✅ Reasonable
Datasheet URLMouser PDF presentOfficial datasheet PDF available through Mouser mirror✅ Present
Description“Audio Amplifiers J-FET Input Dual Op Amp”High quality audio J-FET input dual op-amp for audio applications✅ Mostly accurate
PackageNot present in project propertiesDIP8 for MUSES8920D❌ Missing / implied mismatch

Key datasheet specs

SpecValue
FunctionDual audio operational amplifier
Input stageJ-FET input
Channels2
Package for MUSES8920DDIP8
Recommended supply range±3.5 V to ±17 V
Absolute max supply±18 V
Noise density8 nV/√Hz typ @ 1 kHz
THD0.0004% typ
Slew rate25 V/µs typ
Gain-bandwidth11 MHz typ
Operating temperature-40 °C to +125 °C
Pin cross-check

Datasheet pin map

PinDatasheet nameFunctionMatching project terminalStatus
1A OUTPUTChannel A outputA_OUTPUT✅
2A -INPUTChannel A inverting inputA_-INPUT✅
3A +INPUTChannel A non-inverting inputA_ INPUT✅
4V−Negative supplyV-✅
5B +INPUTChannel B non-inverting inputB_ INPUT✅
6B -INPUTChannel B inverting inputB_-INPUT✅
7B OUTPUTChannel B outputB_OUTPUT✅
8V+Positive supplyV ✅
Symbol audit What matches
  • The project has exactly 8 terminals, which matches the datasheet pin count.
  • Pin numbers 1-8 are assigned correctly.
  • Pin names align with the datasheet naming convention closely enough for a part symbol.

Issues found

ItemFindingSeverity
Pin TypeAll terminals are set to Unspecified⚠️
Pin DescriptionNo per-pin descriptive text is present⚠️
Functional metadataNo section/group/orientation metadata visibleMinor
Power pin semanticsV and V- are not typed as power pins⚠️
Input/output semanticsInputs/outputs are not typed for ERC usefulness⚠️
Recommended pin typing
Following the standard mapping for IC-style parts, these should not remain untyped.

Table

TerminalRecommended Pin Type
A_OUTPUTOutput
A_-INPUTInput
A_ INPUTInput
V-Power In
B_ INPUTInput
B_-INPUTInput
B_OUTPUTOutput
V Power In
Footprint audit What I can confirm
  • The project has a footprint with 8 pads, matching the 8-pin device.
  • The pad designators correspond to the same terminal names as the symbol.
Mismatch flagged
  • The datasheet says MUSES8920D = DIP8.
  • The current project footprint appears to be a generic/custom 8-pad footprint and does not expose clear DIP-8 mechanical/package metadata in the project data I can see.
  • Because the project does not list Package or Case Code = DIP8, and the visible footprint data does not clearly identify a through-hole DIP body, this should be treated as a package mismatch / unverified footprint.
Likely issue
  • If this footprint was intended for SOP-8, that would correspond to MUSES8920E, not MUSES8920D.
  • For MUSES8920D, the package property should explicitly indicate DIP8, and the footprint should clearly match that package.

Mismatches and gaps summary

AreaFinding
MPNNo mismatch
ManufacturerNo mismatch
Pin countNo mismatch
Pin numberingNo mismatch
Pin namingNo mismatch
DescriptionAcceptable but could be more specific
Package propertyMissing; should state DIP8
FootprintNot clearly verified as DIP8
Pin Type metadataAll pins currently Unspecified
Pin descriptionsMissing
Higher-level symbol metadataIncomplete
Best improved description
A better project description would be:
  • Dual audio J-FET input operational amplifier, low-noise high-end audio op-amp, DIP8

Suggested property additions / corrections

PropertySuggested value
Part TypeOp-Amp or Audio Op-Amp
Package or Case CodeDIP8
Operating Voltage17
Operating Temperature-40°C to +125°C
Implementation DetailsJ-FET input, dual audio op-amp, low noise 8 nV/√Hz typ, THD 0.0004% typ, slew rate 25 V/µs typ, GBW 11 MHz typ
Bottom line
  • The pinout is correct.
  • The part identity is correct.
  • The biggest problems are:
    • package/footprint not clearly matching the DIP8 datasheet variant
    • all pins are untyped
    • pin descriptions are missing
If you want, I can next help you turn this into a clean correction list for the part project: exact pin types, short pin descriptions, and the metadata values that should be updated.
Create correction list
Fix package mismatch
Add key specs
13 days

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MUSES8920D

MUSES8920D thumbnail
Audio Amplifiers J-FET Input Dual Op Amp #CommonPartsLibrary #IntegratedCircuit #MUSES8920

Properties

MUSES8920D

New Japan Radio

Integrated Circuits

mouser.com/ds/2/294/MUSES8920_E-259012.pdf

IC

creativecommons.org/licenses/by/4.0/

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