TI claims the new ISO224 delivers the highest precision and working voltages, and longest lifetime reliability

By Alex Pluemer, contributing writer


recently launched the ISO224, a reinforced isolated
amplifier that offers the highest precision and working voltages and longest
lifetime reliability on the market, according to the company. The new amplifier
was developed for isolated voltage sensing in grid infrastructure, factory
automation, motor drive and rail transportation applications.

Key features

  • Smaller footprint: The ISO224 takes
    up 60% less space on a board than its predecessors and features a single
    high-side supply with integrated voltage detection that makes design simpler
    and more space efficient. 
  • High performance: TI boasts that the
    ISO224 delivers 25% greater nonlinearity and eight times lower gain error in
    the measurement of ±10-V signals than its closest competitors, while also
    providing lower offset drift and faster system response.
  • Reliability:  By implementing TI’s capacitive isolation
    technology, the ISO224 provides 50% higher working voltages than industry
    standards over a significantly longer lifespan. 
    The amplifier operates over a temperature range from -55°C to 125°C and offers up to 80 kV/µs of
    common-mode transient immunity.

TI offers a
variety of design tools and reference material to support designers. The ISO224
and ISO224
evaluation module
can both help engineers simulate and evaluate their
circuit design’s performance.  A series
of training videos, application notes and a datasheet
are also all available at TI’s website.

Prices start
at $6.49 for the ISO224 (8-pin, 5.85 mm x 7.5-mm package). Preproduction
samples are currently available at the TI store.