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BL59A12 Datasheet, PDF (4/8 Pages) SHANGHAI BELLING CO., LTD. – PHOTOELECTRIC SMOKE DETECTOR IC
VOL
VOH
VOUT
IOH
IOZ
VIC
VREF
Low level output voltage,
LED
Silver, Brass
IOUT = 10mA
IOUT = 16mA
6.5
6.5
High level output voltage
Silver, Brass
IOUT = -16mA 6.5
Inactive,
IOUT = -1uA
-
Strobe
Active, IOUT =
Output
100uA to 500uA 9.0
voltage
(load regulation)
(See pin
Inactive,
description)
IRED
IOUT =-1uA
Active, IOUT
=6uA
-
9.0
(load regulation)
Local smoke,
VOUT =4.5V
6.5
High-level output current, Local smoke,
I/O
VOUT = VSS
(short-circuit
12
current)
Output off-state leak
current,
LED
VOUT = VSS or
VDD
12
Common-mode voltage
range
C1, C2, Detect
Local smoke,
Pushbutton test
or chamber
sensitivity test
--
Local smoke,
Internal reference voltage pushbutton test
of smoke comparator
or chamber
--
sensitivity test
BL59A12/BL59S12
0.6
1.0
V
5.5
-
V
VDD-0.1
-
VDD-4.4 Vdd-5.6
V
-
0. 1
2.25
3.75
-4
--
mA
--
-16
-
±1
uA
VDD -4 VDD -2 V
VDD-3.08 VDD-3.92 V
7.3 AC ELECTRICAL CHARACTERISTICS
(TA= 25℃,VDD = 9.0 V, Component Values: R1 = 100.0 K, C3 = 1500.0 pF, R2 = 7.5 MΩ)
Symbol Parameters
Test condition Clocks Min* Typ** Max* Unit
Free-Running
1/fosc
Oscillator Period
Sawtooth
Measured at Pin
1
7.0
7.9
8.6
ms
12
No Local Smoke,
and
No Remote
4096 28.8 32.4 35.2
s
tLED
LED Pulse
Period
Smoke
Remote Smoke,
but
-
Extinguished
No Local Smoke
Local Smoke or
Pushbutton Test
64
0.45 0.5 0.55
tw(LED),
tw(stb)
LED Pulse Width
and Strobe Pulse
Width
1
7.0
-
8.6
ms
Smoke Test
1024 7.2
8.1
8.8
Chamber
tIRED
IRED Pulse
Period
Sensitivity Test,
without Local
4096 28.8 32.4 35.2
s
Smoke
Pushbutton Test
128
0.9
1.0
1.1
tw(IRED) IRED Pulse
Tf*
94
116
us
http://www.belling.com.cn
-4-
Total 8 Pages
8/28/2006
Wrote by 2006