CY8CMBR3002-SX1IT, Capacitive Touch Screen Controller I2C 2-Wire, 8-Pin SOIC

Register-configurable CapSense Express controller
No firmware development required
Patented CSD sensing algorithm
High sensitivity (0.1 pF)
Overlay thickness of up to 15 mm for glass and 5 mm for plastic
Proximity solutions
Sensitivity up to 2 fF per count
Best-in-class >100:1 SNR performance
Superior noise-immunity performance against conducted and radiated noise
Ultra-low radiated emissions
SmartSense Auto-tuning
Sets and maintains optimal sensor performance during run time
Eliminates manual tuning during development and production
Low-power CapSense
Average current consumption of 22 μA per sensor at 120-ms refresh interval
Wide parasitic capacitance (CP) range: 5–45 pF
Advanced user interface features
Liquid tolerance
User-configurable LED brightness for visual touch feedback
Up to eight high-sink current GPOs to drive LEDs
Buzzer signal output for audible touch feedback
Flanking Sensor Suppression (FSS) to eliminate false touches in closely spaced buttons
Analog voltage output
Attention line interrupt to the host to indicate any change in sensor status
System diagnostics to detect
Improper value of the modulating capacitor (CMOD)
Out of range sensor parasitic capacitance (CP)
Sensor shorts
EZ-Click™ Customizer tool
Simple GUI for device configuration
Data viewing and monitoring for CapSense buttons, sliders, and proximity sensors
System diagnostics for rapid debug
I2C slave
Supports up to 400 kHz
Wake-on-hardware address match
No bus-stalling or clock-stretching during transactions
Low-power 1.71-V to 5.5-V operation
Deep Sleep mode with wake-up on interrupt and I2C address detect
Industrial temperature range: –40 °C to +85 °C
Package options
8-pin SOIC (150 mil)
16-pin SOIC (150 mil)
16-pin QFN (3 ´ 3 ´ 0.6 mm)
24-pin QFN (4 ´ 4 ´ 0.6 mm)

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