ST's new comparators offers faster performance and longer battery life

December 17, 2012

Toni_McConnel-December 17, 2012

The TS881 from STMicroelectronics is the first in ST’s new generation of comparators compatible with supply voltages as low as 1.1V over a wide temperature range, enabling longer operating times with smaller batteries. Suitable for use in front-end detection and measurement circuitry, the TS881 is also faster than competing devices, allowing a significant reduction in equipment response times.

The TS881 features very low operating current of 210nA (typical at 25°C). The push-pull output circuitry reduces power consumption to the absolute minimum when driving any capacitive or resistive load.

The TS881 will be joined in 2013 by dual and quad variants containing two and four comparators in a single package. This new generation of devices extends ST’s industry-leading portfolio of comparators, which includes the TS3011, announced in 2011, delivering the market’s fastest response time of 8ns with very low current consumption.


Summary of features:
  • Typical operating current: 210nA (@ 25°C)
  • Typical propagation delay: 2µs
  • Temperature range: - 40°C to + 125°C
  • Operating voltage range: 1.1V to 5V (1.1V operation guaranteed over full temperature range)
  • ESD tolerance: 8kV HBM (Human Body Model)
  • Rail-to-rail input
  • Push-pull output

The TS881 is in production now and available in the 2 x 1.25 mm SC-70 package, priced from $0.39 for orders over 1,000 pieces. Alternative pricing for higher quantities is available on request.

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