Products
Smart Sensing
Semtech SX9500
Proximity/Button - Ultra Low Power, Capacitive Four (4) - Channel
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 onchip auto-calibration circuitry to regularly perform sensitivity adjustments, maintaining peak performance over a wide variation of temperature, humidity and noise environments, providing simplified product development and enhanced performance.
Overview
Features
- 2.7 – 5.5V Input Supply Voltage
- Capacitive Sensor Inputs
- 4 fF Capacitance Resolution
- Stable Proximity & Touch Sensing With Temperature
- Capacitance Offset Compensation to 30pF
- Active Sensor Guarding
- Automatic Calibration
Ultra Low Power Consumption:
- Active Mode: 170 uA
- Doze Mode: 18 uA
- Sleep Mode: 2.5 uA
400KHz I2C Serial Interface
- Four programmable I2C Sub-Addresses
- Input Levels Compatible with 1.8V Host Processors
- Open Drain NIRQ Interrupt pin
- Three (3) Reset Sources: POR, NRST pin, Soft Reset
- -40°C to +85°C Operation
- Compact Size: 3 x 3mm Thin QFN package
- Pb & Halogen Free, RoHS/WEEE compliant
Applications
- Notebooks
- Tablets
- Mobile Appliances
Packaging
- QFN-20
Order Codes
- SX9500IULTRT: Lead-Free, halogen-free, RoHS and WEEE Compliant, Package Minimum Tape & Reel Only