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CAP1133 数据表(PDF) 1 Page - Microchip Technology |
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CAP1133 数据表(HTML) 1 Page - Microchip Technology |
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1 / 63 page  2015 Microchip Technology Inc. DS00001625B-page 1 General Description The CAP1133, which incorporates RightTouch® tech- nology, is a multiple channel Capacitive Touch sensor with multiple power LED drivers. It contains three (3) individual capacitive touch sensor inputs with program- mable sensitivity for use in touch sensor applications. Each sensor input automatically recalibrates to com- pensate for gradual environmental changes. The CAP1133 also contains three (3) LED drivers that offer full-on / off, variable rate blinking, dimness con- trols, and breathing. Each of the LED drivers may be linked to one of the sensor inputs to be actuated when a touch is detected. As well, each LED driver may be individually controlled via a host controller. The CAP1133 includes Multiple Pattern Touch recogni- tion that allows the user to select a specific set of but- tons to be touched simultaneously. If this pattern is detected, then a status bit is set and an interrupt gen- erated. Additionally, the CAP1133 includes circuitry and sup- port for enhanced sensor proximity detection. The CAP1133 offers multiple power states operating at low quiescent currents. In the Standby state of opera- tion, one or more capacitive touch sensor inputs are active and all LEDs may be used. Deep Sleep is the lowest power state available, draw- ing 5uA (typical) of current. In this state, no sensor inputs are active. Communications will wake the device. Applications • Desktop and Notebook PCs • LCD Monitors • Consumer Electronics • Appliances Features • Three (3) Capacitive Touch Sensor Inputs - Programmable sensitivity - Automatic recalibration - Individual thresholds for each button • Proximity Detection • Multiple Button Pattern Detection • Calibrates for Parasitic Capacitance • Analog Filtering for System Noise Sources • Press and Hold feature for Volume-like Applica- tions • SMBus / I2C Compliant Communication Interface • Low Power Operation - 5uA quiescent current in Deep Sleep - 50uA quiescent current in Standby (1 sensor input monitored) - Samples one or more channels in Standby • Three (3) LED Driver Outputs - Open Drain or Push-Pull - Programmable blink, breathe, and dimness controls - Can be linked to Capacitive Touch Sensor inputs • Available in 10-pin 3mm x 3mm RoHS compliant DFN package CAP1133 3 Channel Capacitive Touch Sensor with 3 LED Drivers |
类似零件编号 - CAP1133 |
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类似说明 - CAP1133 |
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