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RE46C143 Datasheet PDF : 12 Pages
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RE46C143
CMOS Photoelectric Smoke Detector ASIC with Interconnect
Product Specification
R&E International
A Subsidiary of Microchip Technology Inc.
DC Electrical Characteristics (continued) at TA= -25° to 75°, VDD=9V, Typical Application (unless
otherwise noted)
Parameter
Output Voltage Low
Output Voltage High
Output Current
Low Battery Alarm Voltage
Output Voltage
Symbol
VOL1
VOL2
VOL3
VOh1
IIOH1
IIODMP
VLB
VSTOF
Common Mode Voltage
Smoke Compare
Reference
Temperature Coefficient
VSTON
VIREDOF
VIREDON
VCM1
Vref
TCST
Line Regulation
TCIRED
ΔVSTON
ΔVIREDON
Test
Pin
8,9
13
11
8,9
7
7
5
4
4
6
6
1,2,3
-
4
6
4,5
6,5
Test Conditions
Iol=16mA, VDD=6.5V
Iol=5mA, VDD=6.5V
Iol=10mA, VDD=6.5V
Ioh=-16mA, VDD=6.5V
Alarm, Vio=Vdd-2V or Vio=0V
At Conclusion of Local Alarm or
Test, Vio=1V
R14=100K, R15=47K, ILed=10mA
STROBE off, VDD=12V,
Iout=-1uA
STROBE on, VDD=9V
Iout= 100uA to 500uA
IRED off, VDD=12V, Iout=1uA
IRED on, VDD=9V
Iout=0 to -6mA, Ta=25C
Local smoke, Push to Test or
Chamber Test, Note 1
Internal Reference
VDD=6V to 12V, STROBE Output
Voltage
VDD=6V to 12V, IRED Output
Voltage
Active, VDD=6V to 12V
Active, VDD=6V to 12V
Min
5.5
-4
5
6.9
VDD -
.1
VDD -
5.3
2.25
.5
VDD-
3.85
Limits
Typ Max
1
.5
.6
-16
7.2 7.5
VDD -
5
3.1
VDD -
4.7
.1
3.75
Units
V
V
V
V
mA
mA
V
V
V
V
V
VDD-2
V
VDD-
3.15
V
.01
%/ºC
.3
%/ºC
-50
dB
-30
dB
Note 1: Not production tested
Typical values are for design information and are not guaranteed.
Limits over the specified temperature range are not production tested and are based on characterization data.
© 2009 Microchip Technology Inc.
DS22178A-page 3
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