MPXM2102AS datasheet(613/670 Pages) MOTOROLA

613 / 670 page

MC14600

4–21

Motorola Sensor Device Data

www.motorola.com/semiconductors

TIMING PARAMETERS (Cosc = 0.1

µF, Rbias = 8.2 MΩ, VDD = 9.0 V, TA = 25°C, See Figure 2)

Characteristics

Pin #

Symbol

Min

Max

Units

Oscillator Period (1 Clock Cycle = 1 Oscillator Period)

No Alarm

Alarm

tCI

—

1.25

2.25

Oscillator Pulse Width (No Alarm and Alarm Condition)

3,4,5,13

7.0

LED Output Period

No Alarm

Alarm

tLED

—

.71

1.25

Alarm Horn Output

Hi Time

Low Time

10,11

ton

toff

120

208

104

Low Battery Horn Output

Hi Time

Between Pulses

10,11

ton

toff

7.0

Figure 1. Block Diagram

HORN FEEDBACK

HORN

OUT 2

HORN

OUT 1

ALARM

LOGIC

OSC

AND

TIMING

LED

VDD = PIN 6

VSS = PIN 9

VDD

–

LOW BATTERY

COMPARATOR

VDD

LOW V COMP.

OUT

VDD

LOW V SET

DETECT

COMPARATOR OUT

–

DETECT

COMPARATOR

ALARM

THRESHOLD

ALARM DETECT

INPUT

–

VDD

HI–Z

GUARD

AMP

Cosc

Rbias

Freescale Semiconductor, Inc.

For More Information On This Product,

Go to: www.freescale.com

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