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Features and benefits

Fully functional operation from 4.5 V to 36 V

? Full parametric operation from 6.0 V to 28 V

? Low-power mode current IBATP = 30 μA and IDDQ = 10 μA

? 22 Switch detection channels

– 14 Switch-to-Ground (SG) inputs

– 8 Programmable switch (SP) inputs

– Switch-to-Ground (SG) or Switch-to-Battery (SB)

– Operating switch input voltage range from -1.0 V to 36 V

– Selectable wetting current (2, 6, 8, 10, 12, 14, 16, or 20 mA)

– Programmable wetting operation (Pulse or Continuous)

– Selectable wake-up on change of state

? 24 to 1 Analog Multiplexer

– Buffered AMUX output from SG/SP channels

– Integrated divider by 6 on SG5 for battery voltage sensing

– Integrated die temperature sensing through AMUX output

– Two or three pin hardwire AMUX selection.

? Active interrupt (INT_B) on change-of-switch state

? Direct MCU Interface through 3.3 V / 5.0 V SPI protocol