San Jose, Calif.Cypress Semiconductor Corp. introduced two sensing methods for its PSoC CapSense capacitive sensing products.
The methods are provided in the PSoC Designer integrated development environment as user modulesCapSense Sigma-Delta Modulator (CSD) and CapSense Successive Approximation (CSA).
The CSD user module enables buttons, sliders, touchpads and touch screens to operate in wet conditions. High-level decision logic provides compensation for environmental factors, such as temperature, humidity, and power supply voltage change. A separate shield electrode can be used to reduce stray capacitance, providing more reliable operation in the presence of water film or droplets.
The CSA user module delivers 45 times better interference immunity and 60 percent lower power consumption, making it ideal for portable consumer applications. It supports a combination of buttons, sliders, touchpads and touch screens in union with high-level software routines that compensate for environmental and physical sensor variations.
Pricing: Both kits are priced at $89.
Availability:The CSA user module is available in the CY8C20x34 device family and as part of the CY3203A-CapSense development kit. The CSD user module is available in the CY8C21x34 and CY8C24x94 device families and as part of the CY3213A-CapSense development kit.
Cypress Semiconductor Corp., 1-408-943 2600, www.cypress.com