SX9500 solution equivalent, four channels capacitive proximity / button solution.
2.7
– 5.5V Input Supply Voltage
Capacitive Sensor Inputs
Down to 0.08 fF Capacitance Resolution
Stable Proximity & Touch Sensing With Temperature
Cap.
that require synchronous detection, enabling very low supply current and high noise immunity by only measuring proximity.
The SX9500 is a low-cost, very low power 4-channel capacitive controller that can operate either as a proximity or button sensor. The SX9500 includes sophisticated on-chip auto-calibration circuitry to regularly perform sensitivity adjustments, maint.
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