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RE46C112 Datasheet - Page 2

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RE46C112
Ionization Smoke Detector IC
Product Specification
Electrical Characteristics at TA = 25° C, V DD=9V, VCC=5V, VSS=0V (unless otherwise noted)
Paramete
r
Supply Voltage
Supply Current
Input Voltage High
Input Voltage Low
Input Leakage
Offset Voltage
Common Mode Voltage
Output Impedance
Output Voltage
Note 1: Sample test only
© 2009 Microchip Technology Inc.
Test
Symbol
Pin
Test Conditions
Operating
V
1
DD
V
2
Operating
CC
I
SELECT=open, DETECT=4.5V,
DD
1
VDD=9V
SELECT=open, DETECT=6V,
1
VDD=12V
SELECT=VCC or VSS,
1
DETECT=4.5V, VDD=9V
I
SELECT=open, VCC=5V
CC
2
DETECT=4.5V, VDD=9V
SELECT=open, VCC=3V,
2
DETECT=6V, VDD=12V
V
3
SELECT
ih
V
3
SELECT
il
IL
7
VDD=12V, DETECT=VDD or
det
VSS, 0-40% RH
VDD=12V, DETECT=VDD or
VSS, 85% RH, See Note 1
IL
3
sel
SELECT=VCC or VSS VCC=5V
SELECT=VCC or VSS VCC=3V
VG
6,8
OS
Guard Amplifier
V
7
CM
Guard Amplifier
6,8
V
VDD=6V to 12V,
out
SELECT=VSS, RL=10K
5
DETECT= 2V to VDD-.5V,
SELECT=VCC, RL=10K
5
R&E International
A Subsidiary of Microchip Technology Inc.
Limits
Min
Typ
Max
Units
6
12
V
2.7
5.5
V
3
4.5
u
4
5.5
u
60
90
uA
2.75
4.3
uA
1
1.75
u
V
-.4
V
CC
0.4
V
-0.75
0.75
pA
-1.5
1.5
pA
-15
45
uA
-4
15
uA
-50
50
mV
V
-.5
2
V
DD
k
10
-2% -
2% +
.25*V
DD
20mV
20mV
V
-2% -
2% +
.25*V
DETECT
V
20mV
20mV
DS22161A-page 2
A
A
A

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