MC145011P View Datasheet(PDF) - Freescale Semiconductor

Part Name

Description

Manufacturer

MC145011P

Photoelectric Smoke Detector IC with I/O For Line-Powered Applications

Freescale Semiconductor 

Table 2. Electrical Characteristics

(TA = -10 to 60°C Unless Otherwise Indicated, Voltages Referenced to VSS)

Characteristic

Symbol

Test Condition

VDD/VDC Min

Max

Unit

Power Supply Voltage Range

Supply Threshold Voltage, Low-Supply Alarm

Average Operating Supply Current,

Excluding the Visible LED Current

(per Package)

VDD

VTH

Low-Supply Trip: VIN = VDD/3

IDD

Standby

Configured per Figure 8

—

6.0

—

6.5

12.0

—

12

V

7.8

V

12

µA

Peak Supply Current,

Excluding the Visible LED Current

(per Package)

IDD

During Strobe On, IRED Off

Configured per Figure 8

During Strobe On, IRED On

Configured per Figure 8

12.0

—

12.0

—

2.0

mA

3.0

Low-Level Input Voltage

I/O

VIL

FEEDBACK

Test

9.0

—

9.0

—

9.0

—

1.5

V

2.7

7.0

High-Level Input Voltage

I/O

VIH

FEEDBACK

Test

9.0

3.2

9.0

6.3

9.0

8.5

—

V

—

—

Input Current

OSC, DETECT

LOW-SUPPLY TRIP

FEEDBACK

Low-Level Input Current

Test

Pull-Down Current

Test

I/O

Low-Level Output Voltage

LED

SILVER, BRASS

High-Level Output Voltage SILVER, BRASS

Output Voltage

(For Line Regulation, see

Pin Descriptions)

STROBE

IIN

IIL

IIH

VOL

VOH

VOUT

VIN = VSS or VDD

VIN = VSS or VDD

VIN = VSS or VDD

VIN = VSS

VIN = VDD

No Local Smoke, VIN = VDD

No Local Smoke, VIN = 17 V

IOUT = 10 mA

IOUT = 16 mA

IOUT = -16 mA

Inactive, IOUT = -1 µA

Active, IOUT = 100 µA to 500 µA

(Load Regulation)

12.0

—

12.0

—

12.0

—

±100

nA

±100

± 00

12.0

—

-1

µA

9.0

0.5

9.0

25

12.0

—

10

µA

100

140

6.5

—

6.5

—

0.6

V

1.0

6.5

5.5

—

V

—

VDD - 0.1

—

V

9.0 VDD - 4.4 VDD - 5.6

IRED

Inactive, IOUT = 1 µA

Active, IOUT = 6 mA

(Load Regulation)

—

—

0.1

9.0

2.25(1)

3.75(1)

High-Level Output Current

I/O

IOH

Local Smoke, VOUT = 4.5 V

Local Smoke, VOUT = VSS

(Short Circuit Current)

6.5

-4

12.0

—

—

mA

-16

Off-State Output Leakage Current

LED

Common Mode

Voltage Range

C1, C2, DETECT

IOZ

VOUT = VSS or VDD

12.0

—

±1

µA

VIC

Local Smoke, Push button Test, or

—

VDD - 4 VDD - 2

V

Chamber Sensitivity Test

Smoke Comparator

Reference Voltage

Internal

Vref Local Smoke, Push button Test, or

—

Chamber Sensitivity Test

VDD - VDD - 3.92 V

3.08

1. TA = 25°C only.

Sensors

Freescale Semiconductor

MC145011

3

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