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PDF ( 数据手册 , 数据表 ) TTP223

零件编号 TTP223
描述 1 KEY TOUCH PAD DETECTOR IC
制造商 TT
LOGO TT LOGO 


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TTP223 数据手册, 描述, 功能
Preliminary
TTP223
1 KEY TOUCH PAD DETECTOR IC
GENERAL DESCRIPTION
The TTP223 is a touch pad detector IC which offers 1 touch key. The touching detection IC is
designed for replacing traditional direct button key with diverse pad size. Low power consumption
and wide operating voltage are the contact key features for DC or AC application.
FEATURES
ƒ Operating voltage 2.0V~5.5V
ƒ Operating current @VDD=3V, no load, SLRFTB=1
At low power mode typical 1.5uA, maximum 3.0uA
At fast mode typical 3.5uA, maximum 7.0uA
@VDD=3V, no load, SLRFTB=0
At low power mode typical 2.0uA, maximum 4.0uA
At fast mode typical 6.5uA, maximum 13.0uA
ƒ The response time max about 60mS at fast mode, 220mS at low power mode @VDD=3V
ƒ Sensitivity can adjust by the capacitance(0~50pF) outside
ƒ Have two kinds of sampling length by pad option(SLRFTB pin)
ƒ Stable touching detection of human body for replacing traditional direct switch key
ƒ Provides Fast mode and Low Power mode selection by pad option(LPMB pin)
ƒ Provides direct modetoggle mode by pad option(TOG pin)
Open drain mode by bonding option, OPDO pin is open drain output,
Q pin is CMOS output
ƒ All output modes can be selected active high or active low by pad option(AHLB pin)
ƒ Have the maximum on time 100sec by pad option(MOTB pin)
ƒ Have external power on reset pin(RST pin)
ƒ After power-on have about 0.5sec stable-time, during the time do not touch the key pad,
And the function is disabled
ƒ Auto calibration for life
And the re-calibration period is about 4.0sec, when key has not be touched
APPLICATION
ƒ Wide consumer products
ƒ Water proofed electric products
ƒ Button key replacement
08’/04/07
Page 1 of 11
Ver :1.0
Free Datasheet http://www.datasheet4u.com/







TTP223 pdf, 数据表
Preliminary
TTP223
PACKAGE LIST
1. TTP223-ASB
Package Item Package Type
TTP223-ASB SSOP-16
AHLB
V
TOG
V
Option Features
LPMB MOTB SLRFTB
VV
V
P.S.: The mark of V express that package item has the option feature pin.
RST
V
Q OPDO
VV
TTP223-ASB PACKAGE CONFIGURATION
TTP223-A
Date code
Lot No.
Package Outline Dimension
08’/04/07
Page 8 of 11
Ver :1.0
Free Datasheet http://www.datasheet4u.com/














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