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PDF TTP229-AQG Data sheet ( Hoja de datos )
| Número de pieza | TTP229-AQG | |
| Descripción | 16 KEYS OR 8 KEYS TOUCH PAD DETECTOR IC | |
| Fabricantes | TONTEK | |
| Logotipo |  |
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Preliminary
TTP229-AQG
TonTouchTM
16 KEYS OR 8 KEYS TOUCH PAD DETECTOR IC
GENERAL DESCRIPTION
The TTP229-AQG 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
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 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 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
APPLICATION
Wide consumer products
Button key replacement
本資料為通泰積體電路股份有限公司專有之財產，非經書面許可不准透露或使用本資料，亦不准複印、複製或轉變成任何其他
形式使用
The information contained herein is the exclusive property of TONTEK and shall not be distributed, reproduced or disclosed in whole
or in part without prior written permission of TONTEK
09’/12/22
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| Páginas | Total 4 Páginas | |
| PDF Descargar | [ Datasheet TTP229-AQG.PDF ] | |
Hoja de datos destacado
| Número de pieza | Descripción | Fabricantes |
| TTP229-AQG | 16 KEYS OR 8 KEYS TOUCH PAD DETECTOR IC | TONTEK |
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