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M75012 데이터시트 PDF




Mosdesign에서 제조한 전자 부품 M75012은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


 

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부품번호 M75012 기능
기능 PHOTOELECTRIC SMOKE DETECTOR
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M75012 데이터시트, 핀배열, 회로
www.DataSheet4U.com
一華半導體股份有限公司
MOSDESIGN SEMICONDUCTOR CORP.
PHOTOELECTRIC SMOKE DETECTOR
WITH INTERCONNECT
SMOKE DETECTOR
M75012
GENERAL DESCRIPTION
The M75012 is a very low-power IC providing all of the required features for a photoelectric type smoke detector.
This device can be used in conjunction with an infrared photoelectric chamber to sense scattered light from smoke particles.
A variable-gain photo amplifier can be directly interfaced to an infrared emitter / detector pair. The amplifier gain levels are
determined by two external capacitors that are then internally selected depending on the operating mode. Low gain is selected
during standby and timer modes. During a local alarm this low gain is increased ( internally ) by ~ 10% to reduce false triggering.
High gain is used during the push-button test and during standby to periodically monitor the chamber sensitivity.
FEATURES
Interconnect up to 50 detectors.
Piezoelectric horn driver.
Power-on reset.
Built-in circuits to reduce false triggering.
6V to 12V operating voltage range.
ESD-Protection circuitry on all pins.
Temporal horn pattern.
APPLICATIONS
Smoke detector.
PIN ASSIGNMENT
M75012P
C1
C2
DETECT
STROBE
VDD
IRED
I/O
HORN1
1
8
16 TEST
TRIP
VSS
OSCR
OSCC
LED
FEEDBACK
9 HORN2
1/10 2006-10-05




M75012 pdf, 반도체, 판매, 대치품
一華半導體股份有限公司
MOSDESIGN SEMICONDUCTOR CORP.
PHOTOELECTRIC SMOKE DETECTOR
WITH INTERCONNECT
LOCAL ALARM TIMING DIAGRAM ( NOT TO SCALE )
IRED
(PIN 6)
STROBE
(PIN 4)
LED
(PIN 11)
tired3
tst3
tw(led)
tw(ired)
90%
10%
tf(ired)
10%
tired4
tw(st)
tst4
tled1
(NO PULSES)
tired6
tst6
tled6
I/O
(PIN 7)
(AS OUTPUT)
ton(horn)
toff(horn)
(AS INPUT)
tr(io)
ton (horn)
(AS OUTPUT)
toff(horn)
HORN
ENABLE
LOCAL SMOKE
(REMOTE SMOKE
= DON’T CARE)
NO SMOKE
REMOTE SMOKE
( NO LOCAL SMOKE )
TEST
3 STROBE WITHOUT
3 STROBE WITH SMOKE
SMOKE DETECTOR
M75012
4/10 2006-10-05

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M75012 전자부품, 판매, 대치품
一華半導體股份有限公司
MOSDESIGN SEMICONDUCTOR CORP.
PHOTOELECTRIC SMOKE DETECTOR
WITH INTERCONNECT
SMOKE DETECTOR
M75012
DC ELECTRICAL CHARACTERISTICS
(TA=-25~ 75)
Characteristics
Sym. Pin VDD Min. Typ. Max. Unit
Conditions
Supply Voltage
VDD 6.0 12 V
Operating Supply Current IDD
12 — — 12 μA Average Standby
12 — — 2.0 mA During Strobe ON , IRED OFF
12 — — 3.0 mA During Strobe ON , IRED ON
7 9 — — 1.5 V
Low-Level Input Voltage VIL
10 9
16 9
2.7
7.0
V
V
15 9 — — 0.5 V
7 9 3.2 — — V
High-Level Input Voltage VIH
10
16
9
9
6.3
8.5
V
V
15 9 1.6 — — V
Input Leakage High
Input Leakage Low
12 12
IIH 15 12
100 nA VIN=VDD , Strobe Active ,Pin12 @VDD
100 nA VIN=VDD
12 12 — — -100 nA VIN=VST , Strobe Active ,Pin12 @VDD
IIL 15 12
16 12
-100 nA
-1.0 μA VIN=VSS
16 9 0.25
Input Pull-Down Current IIN 7 9 20
10 μA VIN=VDD ( @ VDD =9V)
80 μA No Local Smoke ,VIN= VDD ( @VDD=9V)
7 12 — — 140 μA No Local Smoke ,VIN=17V( @VDD=12V)
Low-Level Output Voltage VOL
11 6.5
8, 9 6.5
0.6
1.0
V IO = 10mA
V IO = 16mA
13 6.5 0.5
V IO = 5mA
High-Level Output Voltage VOH 8, 9 6.5
5.5
V IO = -16mA
Strobe Output Voltage
VST
4 12 VDD-0.1 — — V Inactive , IO = -1μA
9 VDD-5.6 VDD-4.4 V Active , IO = 100μA to 500μA
Line Regulation
ΔVST(ΔVDD)
-60
dB Active , VDD= 6V to 12V
IRED Output Voltage
12 — — 0.1
VIRED 6
9
2.25 3.0 3.75
V Inactive , IO =1Μa , TA = +25
V Active , IO = -6mA , TA = +25
Line Regulation
VΔ IRED(ΔVDD) — — -35 dB Active , VDD= 6V to 12V
High-Level Output Voltage IOH
79
-4.0
mA VDD= Alarm , I/O active , VO= VDD-2V
OFF Leakage Current High IOZ
11 12
1.0 μA VO= VDD
OFF Leakage Current Low IOZ
11 12
-1.0 μA VO= VSS
Low VDD Alarm Threshold VDD ( th )
6.5 7.2 7.8
V
Common Mode Voltage
VIC 1, 2, 3
VDD-4
VDD-2
V Any Alarm Condition
Smoke Comparator Ref. Volt. VREF Int. VDD-3.92 VDD-3.08 V Any Alarm Condition
* Limits over the operating temperature range are based on characterization data.
Characteristics are production tested at +25.
Typical values are at +25and are given for circuit design information only.
7/10 2006-10-05

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