All Alternatives

Alternatives to Texas Instruments REF200AU/2K5

Texas Instruments REF200AU/2K5 and its qualified second sources, compared on form, fit and function, stock, lifecycle and price — the same checks Parter runs inside a BOM.

Equivalent and substitute parts for Texas Instruments REF200AU/2K5

REF200AU/2K5 compared against its qualified second sources
REF200AU/2K5Texas InstrumentsREF200AUTexas InstrumentsLM334M/NOPBTexas Instruments
FFF CompatibilitySame 8-SOIC package footprint with identical pinout.Identical physical dimensions and SOIC-8 form factor.Identical electrical specifications, accuracy, and temperature drift.Available in an 8-SOIC package (LM334M), but the pinout is completely different and requires external passive components.Available in a standard 8-pin SOIC package option (LM334M).Only provides a single current source/sink (not dual), lacks the integrated current mirror, and exhibits a strong linear temperature dependency (+0.33%/°C) unless compensated.
AI Summary

REF200AU/2K5 by Texas Instruments: Current Mirror, Current Sink/Source Regulator 100µA 8-SOIC.

This is the exact same monolithic silicon die in the same 8-pin SOIC package, but supplied in a tube carrier rather than tape-and-reel packaging (/2K5). It represents a direct 1:1 drop-in replacement with zero design changes required.

  • Exact physical and electrical drop-in replacement
  • Same ±0.25% typical accuracy and ±25 ppm/°C drift
  • Maintains the unique floating dual 100 µA source and current mirror architecture

The LM334 is a 3-terminal adjustable current source available in an 8-SOIC package. It can be programmed to a 100 µA output using external resistors, but lacks the dual-source and current mirror features of the REF200 and has a high temperature coefficient that requires extra compensation circuitry.

  • Widely available commodity part with low cost
  • Can be programmed to 100 µA using a single external resistor
  • Only provides a single current source (not dual)
  • Lacks integrated current mirror function
Lifecycle StatusObsoleteObsoleteActive
Market AvailabilityNon-stockDiscontinuedIn stock
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