TS20 Datasheet | ADSemiconductor

Feature  20-Channel capacitive sensor with auto sensitivity calibration  I2C serial interface  Selectable output operation (single mode / multimode)  Independently adjustable in 16 steps (2 mode) sensitivity  Adjustable response time by the control registers  Embedded mon and normal noise elimination circuit  Available LED PWM drive ports up to 20 channels  Available tact switch input up to 20 channels  Typical current consumption in slow mode 85 u A (@3.3V)  Clock-off mode to reduce the current consumption 9u A (@3.3V)  Ro HS pliant 28QFN and 28TSSOP package Application  Mobile application (mobile phone, PDA, PMP, MP3, Car navigation)  Membrane switch replacement  Sealed control panels, keypads  Door key-lock matrix application  Touch screen replacement application Ordering Information Part No. TS20-Q Package 28QFN 28TSSOP AD Semiconductor Confidential 2 / 46 ADSemiconductor® TS20 (20-CH Auto Sensitivity Calibration Capacitive Touch Sensor) Content GENERAL 2 REVISION HISTORY 3 1 PIN CONFIGURATION 6 2 PIN DESCRIPTION 2.1 TS20-Q (28QFN PACKAGE) 8 2.2 TS20 (28TSSOP PACKAGE) 10 3 ABSOLUTE MAXIMUM RATING 12 4 ESD & LATCH-UP CHARACTERISTICS 12 4.1 ESD CHARACTERISTICS...