參數(shù)資料
型號： BL59S12
廠商： 上海貝嶺股份有限公司
英文描述： PHOTOELECTRIC SMOKE DETECTOR IC
中文描述： 光電感煙探測器芯片
文件頁數(shù)： 5/8頁
文件大小： 282K
代理商： BL59S12
BL59A12/BL59S12
http://www.belling.com.cn
- 5 -
8/28/2006
Wrote by 2006
Total
8 Pages
Width
IRED Rise Time
IRED Fail Time
Silver and Brass
Temporal
Modulation Pulse
t
r
t
f
t
on
t
off
t
offd
-
-
-
-
30
200
0.55
0.55
1.65
us
us
0.45
0.45
1.35
0.5
0.5
1.52
64
192
s
t
CH
Silver and Brass
Chirp Pulse
Period
Low Supply or
Degraded
Chamber
Sensitivity
4096
28.8
32.4
35.2
s
t
wCH
Silver and Brass
Chirp Pulse
Width
Rising Edge on
I/O to Smoke
Alarm Response
Time
1
7.0
7.9
8.6
ms
t
RR
Remote Smoke,
No Local Smoke
-
-
2!
-
ms
Smoke Test
Chamber
Sensitivity Test,
without Local
Smoke
Low Supply Test,
Without
Smoke
Pushbutton Test
1024
7.2
8.1
8.8
4096
28.8
32.4
35.2
Local
4096
28.8
32.4
35.2
t
stb
Strobe Out Pulse
Period
-
-
1
-
s
*Oscillator period T (= Tr + Tf) is determined by the external components R1, R2, and C3 where
Tr = (0.6931) R2 * C3 and Tf = (0.6931) R1 * C3.
The other timing characteristics are some multiple of the oscillator timing as shown in the table.
**Typicals are not guaranteed.
Time is typical - depends on what point in cycle signal is applied.
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