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TTP229 16-Way Capacitive Touch Sensor

-30% TTP229 16-Way Capacitive Touch Sensor

TTP229 16-Way Capacitive Touch Sensor

The TTP229 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:

Operating voltage:2.4V~5.5V for built-in regulator enable

                            2.0V~5.5V for built-in regulator disable

Built-in regulator with external enable/disable option

Stand-by current

At 3V, and sleep mode slow sampling rate 8Hz:Internal regulator is enabled, the Stand-by current

=> Typical 2.5uA for 16 input keys

=> Typical 2.0uA for 8 input keys

Internal regulator is disabled, the Stand-by current

=> 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 two kinds of serial output interface, both can use for 8 and 16 direct input keys mode

Include 2-wires serial interface and I2C-bus slave interface, they are selected by option 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 60sec 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


Application:

ƒ Wide consumer products

ƒ Button key replacement

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  • Views: 1005
  • Product Code: TTP229 16-Way Capacitive Touch Sensor
  • Availability: In Stock
  • Rs499.00
  • Rs349.00

Tags: ttp229, 16 way, capacitive, touch, sensor, touch pad, capacitive touch

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