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