Tag Archives: Capacitive Sensor

ZMD ZSSC3122 cLite Low Voltage Capacitive Sensor Signal Conditioner

ZMD introduced their ZSSC3122 cLite low voltage capacitive sensor signal conditioner (SSC). The ZSSC3122 can be configured to interface with capacitive sensors from 2 to 10 pF with sensitivity as low as 125 atto-Farads (aF) per digital bit. The ZSSC3122 cLite features 4-bit resolution, 0.25% full-scale output accuracy, and built-in sleep mode. The device is ideal for low-power battery applications and industrial and rugged environments. ZMD ZSSC3122 samples are available now. Unit prices start at 3.30 EUR ($4.54 USD) in volumes of 1k devices.

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Freescale MPR121 Touch Sensor and Touch Sensing Suite

Freescale Semiconductor introduced the MPR121 ultra-low-power capacitive sensor and a touch sensing software (TSS) suite compatible with more than 300 of its 8-bit microcontrollers (MCUs). The Freescale MPR121 capacitive touch sensor offers highly reliable touch detection through increased electrode count and integration of automatic calibration and area detection systems. The 12-pad touch sensor is available in the industry’s smallest lead-free package and offers the lowest power consumption at 29 µA average supply current, helping OEMs meet aggressive power targets.

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