By Alex Pluemer, contributing writer
Texas Instruments 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 include:
- 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 non-linearity 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 TINA-TI SPICE model and ISO224 evaluation module can help engineers both 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 (eight-pin, 5.85 × 7.5-mm package). Pre-production samples are currently available at the TI store .
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