Preliminary
TTP103_________________________________________________________________________________
TTP103 PRODUCT SPEC...
Preliminary
TTP103_________________________________________________________________________________
TTP103 PRODUCT SPECIFICATION
GENERAL DESCRIPTION : TTP103 IC IS A KIND OF
CMOS TECHNOLOGY PREMITTED TO DESIGN TOGGLE OUTPUT. THE DETAILED FUNCTIONS ARE AS FOLLOW :
touch
TTP103 : Low touch High touch Low
PIN ASSIGNMENT
PIN NO. PIN NAME FUNCTION DESCRIPTION
I/O
1 CK
SYSTEM CLOCK INPUT
I
2 FI
60 OR 50 HZ LINE FREQUENCY
I
3 VDD
POWER INPUT PIN FOR VDD
P
4 TI
TOUCH INPUT
B
5 CI
SENSOR CONTROL INPUT
B
6 NC
7 VSS
POWER INPUT PIN FOR VSS
P
8 AT
TOGGLE OUTPUT
O
FEATURES :
1. NO MECHANICALLY SWITCH ELEMENTS.
2. HIGH SENSITIVITY AND STABILITY FOR LONG CONNECTING WIRE AND HEAVY LOADING
(800pf) ON SENSE-PLATE FOR HUMAN BODY CAPACITY = 50pf
3. VERY SMALL NUMBER OF PERIPHERAL COMPONENTS REQUIRED
OPERATING PARAMETER : 1. OPERATING
VOLTAGE(VDD) : 6.8 V 2. OPERATING CURRENT : ≦ 1.0 mA 3. TRIGGER OUTPUT CURRENT (AT PIN) : ≦ -30 mA (Vout=1.0V) 4. INPUT LEAKAGE : ≦ 0.5 uA 5.
VOLTAGE INPUT RANGE : (VSS - 0.3V) <-> (VDD + 0.3V) 6. OPERATING TEMPERATURE : 0℃ ~ 80℃ 7. STORAGE TEMPERATURE : -20℃ ~ 120℃
2014/06/11
page 1 of 6
Ver 1.1
Preliminary
TTP103_________________________________________________________________________________
TTP103 BLOCK DIAGRAM
CK FI
FREQUENCY GENERATOR
ZERO CROSSING
COUNTER &
DECODER
TRIGGER BUFFER
AT
TI TOUCH DETECTOR
CI
Pin Assignment
CK 1
8 AT
FI 2
7 VSS
VDD 3
6 NC
TI 4
5 CI
TTP103S 8 SOP
STEP REGISTER
2014/06/11
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