TTP229 TOUCH Sensor IC
-
Rs.
100.30 (inc GST)
Rs.85.00 + GSTQty :
GST Invoice on all Purchase. So you will be eligible to take input tax credit. |
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TTP229 TOUCH Sensor IC
The TTP229-BSF TonTouchTM IC is capacitive sensing design specifically for touch pad controls.
The device built in regulator for touch sensor. Stable sensing method can cover diversity conditions. Human interfaces control panel links through non-conductive dielectric material. The main application is focused at replacing of the mechanical switch or button. The ASSP can independently handle the 8 touch pads or up to 16 touch pads.
Features of TTP229 Touch IC
Operating voltage : 2.4V~5.5V
Built-in regulator
Stand-by current At 3V, and sleep mode slow sampling rate 8Hz:
=> Typical 2.5uA for 16 input keys
=> Typical 2.0uA for 8 input keys
Provides to set 8 direct keys or 16 direct keys by option
Provides to set 8 separate outputs only for 8 direct input keys mode
Has a 2-wires serial output interface, both can use for 8 and 16 direct input keys mode
8 separate outputs can select output driving types by option (CMOS/OD/OC with active high/low)
2-wires serial interface can select active high or low by option
Offer multi-key or single-key feature by option
Provides two kinds of sampling rate that slow sampling rate 8Hz and fast sampling rate 64Hz at sleep mode
Have the maximum key-on time about 80sec by pin option
Sensitivity can adjust by the capacitance(1~50pF) outside
After power-on have about 0.5sec stable-time, During the time do not touch the key pad, and all functions are disabled
Auto calibration for environment changing And the re-calibration period is about 4.0sec, when all keys are not activated for fixed time
Applications of TTP229 Touch Sensor IC
Wide consumer products
Button key replacement
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Tags: Touch IC