MC145010P データシートの表示（PDF） - Freescale Semiconductor

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MC145010P

PHOTOELECTRIC SMOKE DETECTOR IC WITH I/O

Freescale Semiconductor 

3

Detect

OSC

R1

Test

12 OSC

13

16

Strobe 4

Low-supply 15

Trip

C1 C2

12

AMP

VDD - 3.5 V

REF

Gate

On/off

-

Comp

+

Timing

Logic

Gate

On/off

VDD - 5.0

VREF

Smoke

-

Comp

+

Alarm

Logic

Horn Modulator

And Driver

PIN 5 = VDD

PIN 14 = VSS

7 I/O

8 Brass

9 Silver

10 Feedback

6 IRED

11 LED

Figure 2. Block Diagram

Table 1. Maximum Ratings(1)

(Voltages referenced to VSS)

Rating

Symbol

Value

Unit

DC Supply Voltage

DC Input Voltage

C1, C2, Detect

OSC, Low-Supply Trip

I/O

Feedback

Test

DC Input Current per Pin

DC Output Current per Pin

DC Supply Current, VDD and VSS Pins

Power Dissipation in Still Air

5 Seconds

Continuous

VDD

VIN

IIN

IOUT

IDD

PD

-0.5 to +15

V

V

-0.25 to VDD +0.25

-0.25 to VDD +0.25

-0.25 to VDD +10

-15 to +25

-1.0 to VDD +0.25

±10

mA

±25

mA

+25 / -150

mA

mW

1200(2)

350(3)

Storage Temperature Range

Lead Temperature, 1 mm From Case for 10 Seconds

TSTG

TL

-55 to +125

°C

5.0

°C

1. Maximum Ratings are those values beyond which damage to the device may occur. Functional operation should be restricted to the limits

in the Electrical Characteristics tables.

2. Derating: -12 mW/°C from 25° to 60°C.

3. Derating -3.5 mW/°C from 25° to 60°C.

This device contains circuitry to protect the inputs against damage due to high static voltages or electric fields; however, it is advised normal

precautions be taken to avoid application of any voltage higher than maximum rated voltages to this high impedance circuit. For proper

operation, it is recommended VIN and VOUT be constrained to the range VSS ≤ (VIN or VOUT) ≤ VDD.

MC145010

2

Sensors

Freescale Semiconductor

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