STMicroelectronics – Tiny low-voltage comparator for space-constrained applications

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The TS985 from STMicroelectronics is a single-channel, low-voltage comparator which combines battery-friendly performance with enhanced dynamic range and high-speed operation.

Housed in a six-bump chip-scale package with a footprint of less than 1mm2, it is ideal for use in portable products in which board space is severely limited.

The TS985 can operate from a supply voltage ranging from as low as 1.8V up to 5V, while typically drawing a current of just 14μA. While maintaining this low-power performance, it still achieves high speed, boasting a propagation delay of just 300ns.

The TS985 offers an input-offset voltage of 0.5mV, a value which drifts over temperature at a rate of just 4.5μV/°C. Input bias current is 14nA.

FEATURES

  • Rail-to-rail inputs and push-pull outputs
  • 60μA supply current at 1MHz switching frequency
  • Low output-saturation voltage
  • Internal hysteresis
  • Operating-temperature range:
    -40°C to 85°C
  • 2kV ESD tolerance on the human body model

APPLICATIONS

  • Smart watches
  • Digital cameras
  • IoT devices
  • Portable test equipment
  • Battery-powered and portable devices
  • Low-voltage applications

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