RE46C144

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.

DS22180A-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

8,9

Iol=16mA, VDD=6.5V

1

V

13

Iol=5mA, VDD=6.5V

.5

V

Output Voltage Low

11

Iol=10mA, VDD=6.5V

.6

V

Output Voltage High

8,9

Iol=-16mA, VDD=6.5V

5.5

V

7

Alarm, Vio=Vdd-2V or Vio=0V

-4

-16

mA

Output Current

7

At Conclusion of Local Alarm or

Test, Vio=1V

5

mA

Low Battery Alarm Voltage

5

6.9

7.2

7.5

V

4

STROBE off, VDD=12V,

Iout=-1uA

.1

V

4

STROBE on, VDD=9V

Iout= 100uA to 500uA

5.25

5

4.75

V

6

IRED off, VDD=12V, Iout=1uA

.1

V

Output Voltage

6

IRED on, VDD=9V

Iout=0 to -6mA, Ta=25C

2.85

3.1

3.35

V

Common Mode Voltage

1,2,3

Local smoke, Push to Test or

Chamber Test, Note 1

.5

V

Smoke Compare

Reference

-

Internal Reference

3.7

3.3

V

4

VDD=6V to 12V, STROBE Output

Voltage

.01

%/ºC

Temperature Coefficient

6

VDD=6V to 12V, IRED Output

Voltage

.3

%/ºC

4,5

Active, VDD=6V to 12V

-50

dB

Line Regulation

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.