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BS813A-1 - Touch Key

Download the BS813A-1 datasheet PDF. This datasheet also covers the BS812A-1 variant, as both devices belong to the same touch key family and are provided as variant models within a single manufacturer datasheet.

General Description

The BS81x is a series of 2~16 key touch key devices which can detect human body contact using external touch pads.

The high level of device integration enable applications to be implemented with a minimum number of external components.

Key Features

  • Operating voltage: 2.2V~5.5V.
  • Low standby current.
  • Auto-calibration.
  • Reliable touch detections.
  • Standby and normal operating modes.
  • Maximum key on duration time detection.
  • Adaptive voltage drop function.
  • Level Hold, selectable active level- low or high.
  • NMOS output with internal pull-high/CMOS- Direct Output.
  • Both serial interface and parallel outputs.
  • Sensitivity adjustment using an ex.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (BS812A-1-HoltekSemiconductor.pdf) that lists specifications for multiple related part numbers.

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
BS812A-1/BS813A-1/BS814A-1/BS814A-2 BS816A-1/BS818A-2/BS8112A-3/BS8116A-3 Touch Key Features • Operating voltage: 2.2V~5.5V • Low standby current • Auto-calibration • Reliable touch detections • Standby and normal operating modes • Maximum key on duration time detection • Adaptive voltage drop function • Level Hold, selectable active level- low or high • NMOS output with internal pull-high/CMOS- Direct Output • Both serial interface and parallel outputs • Sensitivity adjustment using an external capacitor • Minimal number of external components General Description The BS81x is a series of 2~16 key touch key devices which can detect human body contact using external touch pads.