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MC14468 Datasheet(PDF) 3 Page - Freescale Semiconductor, Inc

Part No. MC14468
Description  Low-Power CMOS Ionization Smoke Detector IC with Interconnect
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Maker  FREESCALE [Freescale Semiconductor, Inc]
Homepage  http://www.freescale.com
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MC14468 Datasheet(HTML) 3 Page - Freescale Semiconductor, Inc

   
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Sensors
Freescale Semiconductor
3
MC14468
Table 2. Recommended Operating Conditions
(Voltages Referenced to VSS)
Parameter
Symbol
Value
Unit
Supply Voltage
VDD
9.0
V
Timing Capacitor
0.1
µF
Timing Resistor
8.2
M
Battery Load (Resistor or LED)
10
mA
Table 3. Electrical Characteristics
(TA = 25°C)
Characteristic
Symbol
VDD
VDC
Min
Type(1)
1. Data labelled “Typ'' is not to be used for design purposes, but is intended as an indication of the IC's potential performance.
Max
Unit
Operating Voltage
VDD
6.0
12
V
Output Voltage
Piezoelectric Horn Drivers (IOH = –16 mA)
Comparators (IOH = –30 µA)
Piezoelectric Horn Drivers (IOL = +16 mA)
Comparators (IOL = +30 µA)
VOH
VOL
7.2
9.0
7.2
9.0
6.3
8.5
8.8
0.1
0.9
0.5
V
V
Output Voltage — LED Driver, IOL = 10 mA
VOL
7.2
3.0
V
Output Impedance, Active Guard
Pin 14
Pin 16
LO-Z
HI-Z
9.0
9.0
10
1000
k
Operating Current (RBIAS = 8.2 MΩ)
IDD
9.0
12.0
5.0
9.0
12.0
µA
Input Current — Detect (40% R.H.)
IIN
9.0
±1.0
pA
Input Current, Pin 8
IIN
9.0
±0.1
µA
Input Current @ 50°C, Pin 15
IIN
±6.0
pA
Internal Set Voltage
Low Battery
Sensitivity
VLOW
VSET
9.0
7.2
47
50
7.8
53
V
%VDD
Hysteresis
VHYS
9.0
75
100
150
mV
Offset Voltage (Measured at VIN = VDD/2)
Active Guard
Detect Comparator
VOS
9.0
9.0
±100
±50
mV
Input Voltage Range, Pin 8
VIN
VSS – 10
VDD + 10
V
Input Capacitance
CIN
5.0
pF
Common Mode Voltage Range, Pin 15
VCM
0.6
VDD – 2
V
I/O Current, Pin 2
Input, VIH = VDD –2
Output, VOH = VDD –2
IIH
IOH
25
–4.0
100
–16
µA
mA


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Part NumberComponents DescriptionHtml ViewManufacturer
MC14568Low-Power CMOS Ionization Smoke Detector with Interconnect and Timer 1 2 3 4 5 MoreFreescale Semiconductor, Inc

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