A5364CA datasheet(4/9 Pages) ALLEGRO

Part #	A5364CA

Description	Low average standby current for long battery life

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Manufacturer	ALLEGRO [Allegro MicroSystems]

Direct Link	http://www.allegromicro.com

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4 / 9 page

Ionization Smoke Detector

with Interconnect

A5364

4

Allegro MicroSystems, Inc.

115 Northeast Cutoff

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

1.508.853.5000; www.allegromicro.com

ELECTRICAL CHARACTERISTICS1,2

at TA = 25°C, VDD = 9.0 V, VSS = 0 V, COSCCAP = 0.1 μF,

RTIMINGRES = 8.2 MΩ (unless otherwise noted)

Continued on the next page…

Characteristic

Symbol

Test Conditions

Test Pin

Min.

Typ.

Max.

Units

Supply Voltage Range

VDD

Operating

6

6.0

9.0

12

V

Supply Current

IDD

VDD = 9.0 V, no alarm, no loads

6

—

5.0

9.0

μA

VDD = 12 V, no alarm, no loads

6

—

12

μA

Detector Input Current

IDETECTIN 0% to 40% RH, VIN = 0 to 9.0 V

15

—

±1.0

pA

Input Offset Voltage

VOS(GUARD1) Active GUARD1

14, 15

—

±100

mV

VOS(GUARD2) Active GUARD2

16, 15

—

±100

mV

VOS

Detect comparator

15, 13

—

±50

mV

Hysteresis

VHYS

No alarm to alarm

13

90

130

170

mV

Common Mode Range

VCM(guard) Guard ampliﬁer

14, 15

2.0

—

VDD – 0.5

V

VCM

Smoke comparator

13, 15

0.5

—

VDD – 2.0

V

Active Guard Impedance

ZAG1

GUARD1 to VSS

14

—

10

—

kΩ

ZAG2

GUARD2 to VSS

16

—

500

—

kΩ

Oscillator Period

tosc

No alarm

12

1.34

1.67

2.00

s

tosc(alarm) Local or remote alarm

12

32

40

48

ms

Oscillator Pulse Width

tw(osc)

12

8.0

10

12

ms

Low-Battery Threshold

VDD(th)

TA = 0°C to 50°C,

LOW-V SET open circuit

6

7.2

—

7.8

V

Sensitivity Adjust Voltage

VSET

VSENSITIVITYSET / VDD,

SENSITIVITY SET open circuit

13

48.5

50

51.5

%VDD

Horn Output Voltage

VOL

IOUT = 16 mA, VDD = 9.0 V

10, 11

—

0.1

0.5

V

IOUT = 16 mA, VDD = 7.2 V

10, 11

—

0.9

V

VOH

IOUT = –16 mA, VDD = 9.0 V

10, 11

8.5

8.8

—

V

IOUT = –16 mA, VDD = 7.2 V

10, 11

6.3

—

V

Horn Output On-Time

ton(horn)

Local or remote alarm

10,11

450

500

550

ms

tw(horn)

Low battery

10, 11

8.0

10

12

ms

Horn Output Off-Time

toff1(horn)

Local or remote alarm

(see Timing Diagrams section)

10, 11

450

500

550

ms

toff2(horn)

Local or remote alarm

(see Timing Diagrams section)

10, 11

1350

1500

1650

ms

thorn

Low battery

10, 11

32

40

48

s

LED Output-On Current

ILED

VDD = 7.2 V, VLED = 1.0 V

5

10

—

mA

LED Output On-Time

tw(LED)

5

8.0

10

12

ms

LED Output Off-Time

tLED1

No alarm, in standby

5

32

40

48

s

tLED3

Local alarm or test alarm

5

0.76

0.97

1.14

s

tLED4

Remote alarm, no local smoke

5

—

No LED

pulses

—s

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