A5358CLWTR-T datasheet(4/13 Pages) ALLEGRO

Part #	A5358CLWTR-T

Description	The A5358 is a low-current BiCMOS circuit providing all of the required features for a photoelectric type smoke detector.

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Manufacturer	ALLEGRO [Allegro MicroSystems]

Direct Link	http://www.allegromicro.com

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4 / 13 page

Photoelectric Smoke Detector

with Interconnect and Timer

A5358

4

Allegro MicroSystems, Inc.

115 Northeast Cutoff

Worcester, Massachusetts 01615-0036 U.S.A.

1.508.853.5000; www.allegromicro.com

DC ELECTRICAL CHARACTERISTICS at TA = –25°C to 75°C1. VSS = 0 V, in typical application (unless otherwise noted)

Characteristic

Symbol

Test Conditions

Test Pin

VDD

Min.

Typ.2

Max.

Units

Supply Voltage Range

VDD

5

–

6.0

–

12

V

Operating Supply Current

IDD

Average in standby mode, configured per

typical application

512

–

9

μA

During STROBE on, IRED off, configured per

typical application

5

12

–

2.0

mA

During STROBE on, IRED on, configured per

typical application

5

12

–

3.0

mA

Low-Level Input Voltage

VIL

7

9

–

1.5

V

10

9

–

2.7

V

16

9

–

7.0

V

15

9

–

0.5

V

High-Level Input Voltage

VIH

7

9

3.2

–

V

10

9

6.3

–

V

16

9

8.5

–

V

15

9

1.6

–

V

Input Leakage High

IIH

VIN = VDD, STROBE active, OSC CAP = VDD

1, 2

12

–

100

nA

VIN = VDD

3, 10, 12

12

–

100

nA

Input Leakage Low

IIL

VIN = VST, STROBE active, OSC CAP = VDD

1, 2, 3

12

–

–100

nA

VIN = VSS

10, 12

12

–

–100

nA

15, 16

12

–

–1.0

μA

Input Pull-Down Current

IIN

VIN = VDD

16, 15

9

0.25

–

10

μA

No local smoke, VIN = VDD

7

9

20

–

80

μA

No local smoke, VIN = 17 V

7

12

–

140

μA

Low-Level Output Voltage

VOL

IO = 10 mA

11

6.5

–

0.6

V

IO = 16 mA

8, 9

6.5

–

1.0

V

IO = 5 mA

13

6.5

–

0.5

–

V

High-Level Output Voltage

VOH

IO = –16 mA

8, 9

6.5

5.5

–

V

Strobe Output Voltage

VST

Inactive, IO = –1 μA4

12

VDD

– 0.1

––

V

Active, IO = 100 to 500 μA4

9

VDD

– 5.25

–

VDD

– 4.75

V

Line Regulation

ΔVST(ΔVDD)

Active, VDD = 6 to 12 V

4

–

–60

–

dB

Strobe Temperature

Coefficient

αST

VDD = 6 to 12 V

4

–

0.01

–

%/°C

IRED Output Voltage

VIRED

Inactive, IO = 1 μA, TA = 25°C

6

12

–

0.1

V

Active, IO = –6 mA, TA = 25°C

6

9

2.85

3.1

3.35

V

Continued on the next page…

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