Replacement Options for U1

kerry

kerry

Prefer drop in but if there are no drop in replacements then just look for similar specs
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Here are three 8-SOIC, single-supply, rail-to-rail op-amp replacements for U1, all pin-compatible with the existing footprint:

Table

Replacement OptionPackageKey Features
OPA336UASOIC-8Zero-drift, rail-to-rail I/O, low offset
OPA376AIDRSOIC-8Zero-drift, rail-to-rail I/O, 2.1 MHz GBW
OPA340UASOIC-8Micro-Amplifier™ series, rail-to-rail I/O
All three are drop-in-footprint replacements for the OPA350UA. If you need deeper performance trade-offs (noise, bandwidth, quiescent current), just let me know!
Select OPA376AIDR
Select OPA336UA
Verify pin mapping
Compare quiescent current
Add bypass caps
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U1
End of Life
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