Datasheet

RE46C140
CMOS Photoelectric Smoke Detector ASIC with Interconnect R&E International
and Timer Mode A Subsidiary of Microchip Technology Inc.
Product Specification
2009 © Microchip Technology Inc. DS22179B-page 3
DC Electrical Characteristics (continued) at TA= -25° to 75°, VDD=9V, Typical Application (unless
otherwise noted)
Limits
Parameter Symbol
Test
Pin Test Conditions
Min Typ Max Units
V
OL1
8,9 Iol=16mA, VDD=6.5V 1 V
V
OL2
13 Iol=5mA, VDD=6.5V .5 V
Output Voltage Low
V
OL3
11 Iol=10mA, VDD=6.5V .6 V
Output Voltage High
V
Oh1
8,9 Iol=-16mA, VDD=6.5V 5.5 V
I
IOH1
7 Alarm, Vio=Vdd-2V or Vio=0V -4 -16 mA
Output Current
I
IODMP
7
At Conclusion of Local Alarm or
Test, Vio=1V
5 mA
Low Battery Alarm Voltage
V
LB
5 6.9 7.2 7.5 V
V
STOF
4
STROBE off, VDD=12V,
Iout=-1uA
Vdd-.1 V
V
STON
4
STROBE on, VDD=9V
Iout= 100uA to 500uA
V
DD
-
5.25
V
DD
-
5
V
DD
-
4.75
V
V
IREDOF
6 IRED off, VDD=12V, Iout=1uA .1 V
Output Voltage
V
IREDON
6
IRED on, VDD=9V
Iout=0 to -6mA, Ta=25C
2.85 3.1 3.35 V
Common Mode Voltage
V
CM1
1,2,3
Local smoke, Push to Test or
Chamber Test, Note 1
.5 V
DD
-2 V
Smoke Comparator
Reference
V
ref
- Internal Reference, Note 1
V
DD
-
3.7
V
DD
-
3.3
V
TC
ST
4
VDD=6V to 12V, STROBE Output
Voltage
.01 %/ºC
Temperature Coefficient
TC
IRED
6
VDD=6V to 12V, IRED Output
Voltage
.3 %/ºC
ΔV
STON
4,5 Active, VDD=6V to 12V -50 dB
Line Regulation
ΔV
IREDON
6,5 Active, VDD=6V to 12V -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.