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 = 50 μA and IDDQ = 10 μA

? 33 switch detection channels

– 21 switch-to-Ground (SG) inputs with configurable pull-up current sources

– 12 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 (2.0, 6.0, 8.0, 10, 12, 14, 16, or 20 mA)

– Programmable wetting operation (Pulse or continuous)

– Selectable wake-up on change of state

? 35 to 1 Analog Multiplexer

– Buffered AMUX output from SG/SP channels

– Integrated divider by six on SG5 for battery voltage sensing

– Integrated die temperature sensing through AMUX output

– Optional two or three pin hardwire AMUX selection

? Active interrupt (INT_B) on switch's change of state

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