`
`
`
`(Output in On condition)
`
`Fig. 4
`
`|
`
`QT102
`
`_
`
`i
`
`?f
`
`<4~85ms>
`
`+fast detect.
`integrator>
`
`-
`
`
`
`
`
`
`
`
`
`
`
`Vpp-"
`
`vss U Tp
`
`
`P - override (reload auto off delay)
`O - switch output off (tog burst time + 50ms)
`C - sensor recalibration
`
`
`
`QT102 Active High Output
`
`Divisor
`(K)
`
` RC
`(K)
`
`
`
`2 25 45=§3 35 4
`
`
`VDD(volts)
`Fig. 13
`
`
`
`QT102 Active Low Output
`
`RC
`Divisor
`
`
`
`Vm = Vss (delay multiplier = x1)
`
`QT102 Active High Output VDD=5V
`
`eS 3000}-+—
`|B 30
`oO
`
`2000OOTYA
`° 10001 ma
`3
`LAL?|
`< 422
`210
`170
`130
`90
`0
`10
`50
`Timing Resistor Rt (K ohms)
`
`~—+130
`90.
`Timing Resistor Rt (K ohms)
`
`QT102 Active High Output VDD = 4V 40007
`4000 AutoOffDelay(s)
` 0
`
`AutoOffDelay(s)
`
`AutoOffDelay(s)
`
`QT102 Active High Output VDD =3V
`
`QT102 Active High Output VDD =2V
`
`
`
`
`
`50 170=.210 10=5090 130 90 130 170 210
`
`
`
`
`
`Timing Resistor Rt (K ohms)
`Timing Resistor Rt (K ohms)
`
`
`
`Vm = Vss (delay multiplier = x1)
`
`QT102 Active Low Output VDD = 5V
`
`>>>=>
`
`
`
`2000
`
`160
`Timing Resistor Rt (K ohms)
`
`200
`160
`120
`80
`Timing Resistor Rt (K ohms)
`
`QT102 Active Low Output VDD = 3V
`4000°
`
`QT102 Active Low Output VDD = 2V
`4000
`——
`TT]
`
`AutoOffDelay(s) QT102 Active Low Output VDD = 4V
`&oe2QSteYINMEE Oo] &
`
` meTY
`
`usSoSSo
`
`
`AutoOffDelay(s)
`
`AutoOffDelay(s)
`
`z 3000
`g 200077171| leet
`2 ob AAeaFT
`2 ereerTe22
`
`2s
`
`0
`40
`80
`120
`160
`200
`40
`160
`
`80=:120 200
`Timing Resistor Rt (K ohms)
`Timing Resistor Rt (K ohms)
`
`Fig. 16
`
`
`
`+3V
`
`
`
`SENSE
`ELECTRODE
`
`
`
`
`
`Fig. 20
`
`OUT
`
`VSs
`
`SNSK
`
`TIME
`
`VDD
`
`SNS
`
`
`